JPRS ID: 8354 USSR AND EASTERN EUROPE SCIENTIFIC ABSTRACTS ENGINEERING AND EQUIPMENT

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Z7,MARCN i979 CFOUO ilT9~ i OF i
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JpR5 L/8354
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~ 27 March 1979
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USSR AND EASTERN EUROPE SCIENTIFIC ABSTRACTS
ENGINEERING AND EGIUIPMENT
(FOUO 1/79)
, ~
� ~ .
U. S. ~OlNT PUBLICAT~ONS RESEARCH SERVICE
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NOTL
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- OIBLIOGRAPHIC DATA 1. R~poa No. ~ R~clpt~ot'~ Aee~~~lon No.
SHEeT JPR5 L/8354
. te~o utte ~
. epoa u.
USSR AND EASTERN EUROPE SCiE1~iFZC ABSTRACTS - ENGINEERiNG tl, 2~ March 19 79 -
AND E~UIPMENT , (FOUO 1/79)
7. Auc6a(~)
Petfoemlo~ Or~~nituioa Rept.
No.
9. P~r(a~ln~ Or~~ois~cieo N~m~ ~od Addr~~� 10. Project T~~k/~orlc Ueic No.
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- 16. Ap~er~eu -
The report containa Abstracts and news items on aeronautical, marine, mechanical,~
sutomotive, civil and industrial engineering, related research and development,
end engineering maC~rials and equipcnent.
_ 7. lCer oad~ ~od Dauaeoc Ao~lr~i~. 7a D~~cripcas
USSR
Eastern Europe
Aeronautica
Industrial Engineering
Marine ~~ineering ' ,
Stresa Analyais
Turbines
Metrology
17b. ldeotillen/OpeaEoded Tt~s~
cos~ri F~~w/c~o~P lA, 13H, 13J, 14B
' 1~.A~ailabilitr Sc~temeot 19..Securit Cl~s~ Tbi�
Re R r ( 21. o. ot P.~e.
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JPR5 L/8354
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- 27 March 1979
USSR AND EASTERN EUROPE SCIENTIFIC ABSTRACTS
ENGINEERING ANp EDUIPMENT ~
. (FOUO 1/79 ) -
This serial publication contains abstracts of articles and newe iCems fran
USSR and Easrern Europe scientific and Cechnical journals on the Rpecific
aubjects reflected in the table of contentg.
PhotoreproducCions of foreign-language sources may be obtained from the
Photoduplication Servfce, Librar} of Congregs, WBShington, D. C. 20540. ~
Itequests sl~ould provide adequate identification both as to the source and
the i�dividual article(s) desired.
CONTENTS P~GE
ENGINEERING _
I'luid Mechanics 1
High-Energy Devices, Optics and Ph~togxaphy 18 �
Industrial Technology 21 ~
Mechanics of Solids 22
Metrology 27
Navigation and Guidance Systems 29
Non-Nuclear Ener~y 42
Nuclear Energy 47 -
Turbine and Engine Design 49 '
EQUIPMENT
Industrial 54
Measuring, Testing 55
Non-Nuclear Energy 65 -
Turbine and Engine Design 66
~
_ a_ [III - USSR - 21F S&T FOUO~
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- ENGINEERING
~'luid Mechanice
USSTt UDC 536.242
TRANS+ENT HEAT TRANSFER FROM A CUTOUT IN A PLANE-PARALIEL PLATE TO A WATER
, STI3EAM '
Moscow VYSOKOTEMPERATURNYYE OIWLAZHDAY~MYYE GAXOVYYE TURBINY DVIGATELEY
LETATEL'NYKH APPAItATOV [Cooled High-Temperature Gas Turbinea for AircrafC
~ Enginea] in Russian, No 2, 1971 pp 27-36 :
(From REFERATIVNYY ZHURNAI, 3~s. AVIATSIONNYYE I RAKETNYYE DIVIGATELI~ No 9~
Sep 78 Abstract No 9.34.44j
PANTELEYEV, A.A. and TRUSHIN, V.A.
[TexC] Results of an experimental atudy are presented pertaining to _
transienC heat transfer during flow of a water stxeam through a cutout in
a plste. The test data have been processed on Che basis of a numerical
solution to the reverse heat-conduction problem (correctly formulated)
and by implementatinn of an impliciL finite-difference algorithm on a digital
computer. For better ~ccuracy of this data processing, the input daC~
, were amoothed by means of a apliae approximation of the temperature
readings wiCh smooth functions. ExperimenCa have demonatrated that numeri-
cal proceseing of test data can prodiice succesaful reaults in a study
= of tranaient heat transfer at the turbine bladea of gas turbine engines.
Figures 6; references 14.
,
USSR UDC 621.438-226.1
EFFECT OF A CIRCUMFERENTIA[.~.Y NONUNIFORM GAS TEI~ERATURE ON THE LOSSES
IN TURBINE ARRAYS -
Moscow BYSOKOTEMPEFATURNYYE OKHLAZHDAYEMYYE GAZOVYYE TURBINY DVIGATELEY
LETATEL'NYKH APPARATOV (Cooled High-Temperature C~,s Turbinea for Aircraft
EnginesJ in Russian, No 2, 1977 pp 73-79
[From REFERATIVNYY ZHUItNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI, No 9,
Sep 78 Abstract No 9.34.43]
GRIGOR, B.P. and STEN'KIN, YE.D.
(Text] Analytical relations are derived for the additional losaes due to
inefficient streamlining of turbine blades, as a conaequence of a cir:.um-
ferentially nonuniform temperatiure field. Theae relations ~~or the addttional
_ loss~s are useful for more precisely deaigning a turbine and profiling the
blade arrays. Figures 3; references 4.
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USSR UDC 621.438:536.24
STUDY OF TH~ HEAT TRANSFER TN POORLY VENTILATED ROTATING ANNULAR CAVITIES
OF GAS TURBINE RUNNERS
Moscow VYSOKOTEMPERATURNYYE OKHLAZHDAYEMYYE GAXdVYYE TC~~RBINY DVIGATELEY
LExATEL'NYKH APPARATOV [Cooled High-Temperature Gas Turbinea for Aircraft
Enginea] in Rusaian, N~ 2, 1977 pp 55-58
(From RF.FERATIVNYY Zt1URNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGA,TELI, No 9,
Sep 78 Abatract No 9.34.41)
BODUNOV, M.N. and SALOV, N.N.
_ (Text] Experimental data are preaented pertaining to the mean heat transfer
coefficient aC the outside cylindrical eurface of a rotating annular cavity -
with circulation of the heat carrier. Water was uaed as the heat carrier
in this atudy. The heat tranafer coefficient was determined by the calori-
metric method. The results have been aubaequently generalized in accordance
with scaling Cheory. Figures 2; references 4.
y
USSR UDC 621.438-25.i
STUDY OF THE HEAT TRANSFER FRO*i A C~S TO THE FO1L SURFACE OF A TURBINE BLADE
WITH TRANSPIRATION COOLING
Moscow VYSOKOTEI~ERATURNYyE OKHLAZHDAYP.MYYE GAZOVYYE TiJRBINY DVIGATELEY
LETATEL'NYKH APPARATOV [Cooled High-Temperature Gas Turbines for Aircraft
Engines] in Ruasian, No 2, 1977 pp 46-49
[From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYyE DVIGATELI, No 9,
Sep 78 Abstxact No 9.34.40]
DEZIDER'YEV, S.G.~ 2AMALYl1TDINOV, M.M. and KARIMOVA~ A.G. F
[TextJ A procedure is outlined for experimentally determining the correction
factors by which readings of th~ mean-masa flow rate of a collant must be
multiplicd to yield the local flow rates. As~an example, such a correction
factor as a function of the presaure on the inlet side of a permeable wall
ia giv~en for one point on the blade profile. Figures 3; referencea 3. ~
2
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USSR UDC 533.27:621~438
COOLING OF GAS--AIR STREAMS BY INJECTION OF A LIQUID
Moacow VYSOKOTEMPERATURNYYE OKIaTrAZHDA'YEMYYE GAZOVYYE TURBINY DVIGATELEY
LETATEL'NYKH APPARATOV [Cooled High-Temperature Gas Turbinea for Aircraft
~ Engines] in Ruasian~ No 2, 1977 pp 67-73
. [From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAK~TYNYYE DVIGATELI, No 9,
Sep 78 Abatract No 9.34.39]
LIMANSKIY~ A.S.~ SAL'NIKOV, G.M. and SHARAPOV~ L.YE.
[Text] A method has been developed for analyzing the various facCora which
affect the process of liquid evaporation in a gas atream. This method ie -
based on the one-dimensional theory oi two-phase flow. An example ia shown
to illuatrate the calculation of the process parametera ~~n the exit channel
of a gas turbine plant with in~ection of a liquid for cooling purposes.
Figures 3; referencea 7. -
USSR UDC 532.525:551.32(-194)
FLOW SEPARATION IN OVERE7CPANDED SUPERSONIC N02ZLES WITH AN EXTERNAL WIND
Moscow VOPROSY TEORII I RASCHETA RABOCHIKH PROTSESSOV TEPLOVYKH DVIGATELEY
[Problems in Theory and Design of Working Proceases for Heat Enginea] in
Ruasian, No 1, 1977 pp 120-125
[From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI, No 9,
Sep 78 Abatract No 9.34.129j -
PANCHENKO, V.I., TOLSTLTKHIN~ G.N., VINOGRADOV, B.S. and ANDRONOV, YU.N. _
[Text] It ha8 been experimentally demonatrated that the angle through which -
an oblique density ~ump defl~ct~ a supersonic stream csn be made 25� or still
~ larger. The length of the separation zone does not exceed two thicknesaes
of the boundary layer. Such a deflection can occur when the outer boundary
of the supersonic mainstream is formed and governed by another external
stream auch as a wind. Figures 5; references 2.
3
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USSR UDC 532.525:551.32(-194) ~
FLOW SEPARATION IN OVEREXPANDED SUPERSONIC NOZZLES WITH AN EXTERNAL WiND
Moacow VOPROSY TEORII I RASCEiETA RABOCHIKH PROTSESSOV TEF'LOVYKH DVIGATELEY
[Problems in Theory and Deaign of Working Procese~:s for Heat Enginea] in
Russian, No 1~ 1977 pp 120-].25
[From REFERATIVNYY ZHUILNAL 34. AVIATSIONNYY;. RAKL~TNYYE DVIGATELI, No 9, -
Sep 78 /!bstract No 9.34.129]
PANCHENKO, V.I., TOLSTLIKHIN, G.N., VINOGRADOV, B.S. and ANARON~V, YU,N. �
, [Text] It has been experimentally demonatrated that the angle through which
an oblique density ~ump deflecta a auperaonic atream can be made 25� or
still larger. The length of the separa*ion zone doea nAt exceed two thick-
nessea of the boundary layer. Such a deflection can occur when the outer
boundary of the supersonic mainetream is formed and governed by anoCher
exteraal stream such as a wind. Figures 5; referencea 2.
USSR UDC 532.517:681.121.842
INFLUE:VCE THAT THE VELOCITY PROFILE OF THE ONC~MING FLOW HAS ON THE CU-
EFFICIENT OF DISCHARGE OF CONSTRICTING DEVICES
*TRUDY METROLOGICHESKIKH INSTITUTOV SSS?t. VSESOYUZNYY NAUCHNO-ISSLEDOVA'!'EL'-
9KIY INSTITU'r FJZIKOTEKHNICHESKIKII I RADIOTEKHNICHESKIKH IZMERENIY (Pr~- ~
ceedings of Metxological Institutes of the USSR. All-Union Scientific
Researcti Institure of Physicotechnical and F.adiotechnical Measurements)
in Russian No 182/242, 1978 pp 74-78
[From REFERATIVNYY ZHURNAL, I~TROLOGIYA I IZMERITEL'NAYA TEItHNIKA, No 9,
1978, Abstract No 9.32.754]
GARSHIN, P. A., SMIRNOV, R. YE. and TUPICHENKOV, A.A.
[TextJ A universal equation is suggested, relating the velocity profile
of the oncoming flow to the coefficient of d3scharge of constricting de-
vices. Grapha are presented of the function a,~ f(Kg) for diaphragms and
norm~i~ nozzles with angular presaure extraction. An experimental check
- of this equation ahows it is quite suitable for practical calculations.
Figure 1, Table 1, Referencea 7. ~
= 4
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USSR UDC 532.593
SOME RESULTS OF ANALYSIS OF SHORT-PE;RIOD INTERKAL WAVES
- MORSKIYE GIDROFI7ICHESKIYE ISSLEDOVANIYA [Marine Hydrophyaical Reaearchj
in Rusaian No 4, 1977 pp 250-261
[From REFERATIVNYY ZHURNAL, MEKHANIKA No 7, 1978 Abetract No 7B39 (r~sume)] -
BUKATOV, A. YE., PARAMONOV, A.N., SMIRNOV, G.V. and CHERKESOV, L.V.
[Text] Based on the materials of observations in difEerent regione of the
world's oceans, a theoretical analyeie ia made of a posaible mechaniam of
generation of short-period internal wavea. Referencea 17. -
USSR UDC 532.593
CONCERNING SOME PARTICULARS OF THE SPECTRA OF SHORT-PERIOD INTERNAL WAVES
_ AND THE VERTICAL FINE STRUCTURE OF THE OCEAN
MORSKIYE GIDROFIZICHESKIYE ISSLEDOV.ANIYA [Marine Geophyaical ReaearchJ in
Russian No 4, 1977 pp 117-131
[From REFERATIVNYY ZHURNAL, MEKHANIKA No 1, 1978 Abstract No 7B40 (r~swnc~)]
PANTELEYEV, N. A.
[Text] On the basis of experimental data, an investigation is made of the
spectra of short-period internal waves and ve~tical fine structure. These
spectra were taken by autonomous measuring equipment and a falling probe.
The measurement results enable evaluation of the quantitative relation
between the space and time scales of motions associated with internal waves
and small-scale turbulence. Some peculiarities in the spectra of internal
waves in the region of the.local Brent-Wia,~sial frequency are explained by
existing theoretical models. References 20.
5
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USSR UDC 532.516
INFLUENCE THAT RADIAL BLOW=IN HAS ON THE DTtAG OF A SPHERE IN A FLOW AT LOW
REYNOLDS NUMBERS
- Dnepropetrovsk PRIKLADNYYE VOPROSY TEPLOMASSOOBMENA [Applied Problems of !
Heac snd Mass Exchange] in Rusaian 1977 pp 51-54
[From REFEYtATIVNYY ZHURNAL, I~KHANIKA No 7, 1978 Abetract No 7B62 by the
auChore] =
LYCHAGIN, N. N. aad KHARITONOV, A. A. -
[Text] An examination is made of Che problem of incompresaible viacoua
fluid flow around a permeable sphere at low Reynoles numbera. The velocitp
disCribution of the in~ected fluid is given in such a way that �the maximum
value of in~ection velocity ~.a reached on the upstream side of the sphere.
It is aesumed that the maxim~:.~ blow-in ve?ocity ia of the same order as the
velocity of the oncoming fl:.~, and that Che physical properties of the
in~ected fluid and the oncoming flow are the same. The problem was solved
by the method of splicing asyrmptotic solutions. The distribution of veloci-
- tiea and pressure is�found in the vicinity of the aphere in the second ~
approximation. It is shown that nonuniformity of radial blow-in increasea
the drag of the sphere. Figures 5.
USSR UDC 532.516
VISCOUS FLUID FLOW AROUND AN ELLIPTICAL CYLINDER
Moscow ZHURNAL VYCHISLITEL'NOY MATEMATIKI I MATEMATICHESKOY FIZIKI in
Russian Vol 18, No 2, 1978 pp 445-457
[From REFERATI~IDTYY ZHURNAL, MEKHANIKA No 7, 1978 Abstract No 7B63 by the
author]
MELLER, N. A.
[Text] The problem of viscous fluid flow around an elliptical cylinder
at an angle of ati:ack is numerically solved. Yn elliptical coordinates the
computational region is broken up into aubregions, and in each of these the
boundary value problem is solved by a matrix sweep method. Before solution
_ of the problem, conputational schemea are numerically studied to aelect the
6 .
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grid sp~cing. Examples are givan of calculation for an ellipae with rela-
tive thicknese of 0.1 at an angle of attack of 30� and Reynolda numbere
'of 20 and 40.
z
USSR . UDC.532.516
. CONCERNING GYROSCOPIC SPIN OF TE~ BALLS IN A HIGH-SPEED BEARTNG UNDER
FTYDRODYNAMIC FRICTION CONDITIONS
Kuybyahev MATERIALY DOKLADOV VTORY VS~SOYUZNOY KONFERENTSII PO KONTAKT~iO-
- GIDRODINAMIC~iESKOY TEORII SMAZKI I YEYE PRAKTICHESKOMU PRIMENENIYU V
PROMYSHENNOSTI (Materials of Reports to the Second All-Union Conference on
Contact-Hydrodynamic Lubrication Theory and iCs Practical Application in
Industry) in Ruesisn No 1, 1977 pp 74-85
_ [From REFERATIVNYY ZHURNAL, I~KHANIKA No 7, 1978 AbsCract No 7B110 by the
authora] ,
- KURUSHIN, V. I. and PETROV, V. M.
[Text] The paper presents a syatem of nonlinear equations for determining
the kinematic parametera of motion~of balls under hydrodynamic conditions
of friction in the contacts. A numerical solution is uaed to establish the
working conditiona under which intense slippage of balls takes place in ~
the radial plane due tr the action of gyroecopit torque.
~
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USSR UDC ~32.517.4
TURBULENCE CHARACTERISTICS OF COAXIAL JETS
NAUCHNYYE TRUDY. MOSKOVSKIY INSTITUT STALI I SPLAVOV [S~ientific Transac-
tions. Moscow Inatiture of St~el and Alloys] in Ruasian No 107~ 1978 pp 26-31 �
[From REFERATIVNYY ZHURNAL, MEIQ3ANIKp No 7, 1978 Abatract No 7Bi;~ by the
suthor] ,
MESHALIN, V. S.
[Text] An investigation ia made of the turbulence characteriatice of co-
axial ~eta with differenC initial discharge conditions. It is ahown how a
change in the ratio of velocitiea of the central and surrounding streams
and also the thickneas of the anaular etreaffi influence t~e disCribution of
turbulence characteristica along the axia and ia the croes aections of a
. coaxial ~ et . ~
= USSR UDC 532.517.4
~
TJRBULENCE CHARACTERISTICS OF A JET AT AN ANGLE OF ATTACK TO A FLAT WALL
NAUCHNYYE TRUDY,. MOSKOVSKIY INSTITUT STALI I SPI~AVOV [Scientific Trans-
actions. Mo~cow Inatiture of Steel and ,Alleys] in Ruasian No ~07 pp 36-39 _
- [From REFERATIVNYY ZHURNAL, I~KH[~IJIKA No 7, 1978 Abstract No 7B141 by the
author]
MESHALIN, V. S.
- [Text] The paper gives the results of an experimental st~~dy c~f the
turbulence characteristics of a~et at different angles of attack against a
flat surface. It 3s shown that with an increase in the angle of attack there
ia an increase in thc turbulence level aloag the axis of the ~et, while the ~
maximum level of turbulence along the axis shifts toward the nozzle tip.
_ In transverse cross sections of a~et in the horizontal plane, the level of
turbulence with reapect to w~dth of the ~et approximately triples, and in
the vertical plane it doubles as compared with the value along the axis.
8 -
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; U33R UDC 533.6.011
PARTICULAR3 OF THE SHAPE ANb DE~ARTURE AF A COt~RBSS~ON 3HO~K WITH -
VI$RATION OP ~AN AIRFOIL
- UCHLNYYE ZAPISKI TESLNTRAL'NOGO AERO-GIDRQDINAMICHESKOG4 INSTITUTA
(Scientific Annals of the Caaeral Aerohydrodyuamics Inetiture) in Ruseian
Vol 8, No 5, 197~ pp 105-109
(From REFERATIVI~YY 2HURNAL, MEKHAr1IKA No 7, 1y78 AbetracC No yB218 by
= N. M. Kuzneteov)
~~INOC~RADOV~ R. T., MAR'YANOV~ V. M. and YAKWOV, I. R.
(Textj The paper givea Che resulte of a eyseemaCic experimentAl etudy of
_ flow ar~und diamond-ehaped gnd eome other airfoils that ~~ndergo Corsional
vibrations in e eupersonic airflow. The folloWing Were varied: M~ch
number from 1.3 to 2~a atepe of 0.1; dimeneionless vibration fraquency
from 0.1 to 1.2 in etepe of 0.05-0.1; angl~ of the diamond 10~ 20~ 30
and 40�; angular amplitude of torsional vibraCions 2~ 6~ 10 and 15�; and
posiCion of the axis of torsionaZ vibratioas. Still photographa and
numerAUe motion pictures show the evolution of compression ehocks propagating
_ in different directione. Patterne of dev$lopment and orientation of ehocke
are discuased. Referencea S.
USSR UDC 533.6.011.8
~ ON TNE A~TOTIC THEORY OP HYPERSONIC FLOWS WITH NONEQUILIBRIUli IONIZATION
IN TNE VICINITY OP A CRITICAL POINT
_ UCHENYYE ZAPISKI TSENTRAL'NOGO AERO-GIDRODINAPiICHESKOGO INSTITUTA (Scientific
Mnale of the Central Aerohydrodynamica IaBtiture) in Ruasian Vo1 9. No 1,
- 1978 pp 45-56
(From REPERATIVNY.'i ZHURNAL, MEKHANIKA No 7~ 1978 Abatract No 78321
(r~sum~)j
ACAFONOV~ V. P.~ KUZ~JETSOV, M. M. and POLYANSKIY~ 0. YU.
(TextJ Ba9ed on the asymptotic theory of nonequilibrium gas flos+e With
high local R~ynolda numbers an analyeie io made of the problem of determining
the concentrstion of gas componei,ta (including electrons) in the field
9
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~o~ o~ricYnY. us~ orri,Y
of flow ground blunt bodies at hypersonic velociCies. A new pgrameter ~
is introduced the ratio af the charecterisCic gas-dynamic time ro the time
of relaxation~ whose value characteriaes th~ thermodynemic etete of t.he gae
gnd the concentr~tion of componente on ehe outer face of the boundary layer
in the vicinity of a critical poinC. It is eho~m th~t when ~1~~
Prandtl'e boundery layer theory ie valid with equilibriua~ values of con- =
centrationa on the out~r fe~e. The cae~s A'~A? 1 and e~'t41 correepond to
the nonequilibrium state of flow along Che entire length of. the criCical
etream line from the compreesion shock to the body. R~ferenceg 16. -
USSR UDC 536.24
CONCE1tNING 'Y'HE MUTUAL INFLUENCE OF THERMOCHEMICAL DESTRUCTION OP THE SURPACB
AND VISCOUS INTERACTION WITH HYPERSONIC PLOW AROUND A SHARP CONE
KOSMICHESKYYE I5SLEDOVANIYA NA UKRAINE. RESPUBLIKANSKIY t~ZHVEDOMYSTVENNYY
SBORNIK (Space Reaearch in the Ukranie. Republic Interdepertmeatal -
CollectionJ in Ruesian No 11~ 1977 pp 23-26
(From REPERATIVNYY ZHURNAL, I~fEKHAI~tIiCp No 7~ 1978 Abatract No 7B571 by the
authoraJ
LIMAriSKIY, A. V. and TIM4SHEMCO, V. I.
(Textj The paper gives the resulta of numexical calculation for hypersonic
gas flow under condir.ions of viecoue interaction around aharp circular cones
with thermally destYP~ctible Teflon surface. The authore show the ~harac-
teriatic pecularities of the mutual influence of thermochemical destruction
of the surface of the body aad viscoua interaction. Referencea 15.
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USStt UDC 532.5sU21.22
nBTERMINATION Op FLOW3 OP G~TBttA1'BD VIgRATIONAL ~RCY IN DSVLLOP~D
CAVITATIONA,L SSLF-OSCILLATIONS
~ KOSM~CHESK~YE I33LLDUVANIYA NA UKRAINL. RLSPUBLIKANSKYY MBZli~?SDOM5TVENNyY
SBORNIK (3pace tteaearch in the Ukraine. R~public rnCerdepartmenCal Co11ec-
Cion~ in Ruaei~n Na 11, 1977 pp SO-54
[From REFERATIVNYY zHUItNAL, 1~fEKHAPIIKA No 7, 1978 Abetrect No 7B1222 by the
,author)
PILIP~NKO, V. V.
(T~xtj IC ie experimentally eetabliehed thaC a cenCrifugal ecrea pump
genereCea fluxes of vibrational energy in Che feeding and preeaurized
_ linea. It is ehown Chat the energy flow in the presaure line ie caused by
variation of the pump head. This ehoo?e the poeeib~lity of self-excitation
of caviCational oscillationa in the eyetem even in the abeence of oecilla-
tione of preeeure and floarate at the pump inlet. This kind of cavitational
oscillutione is experimentally detected.
~
USSR UDC 532.5:621.22
THEORETICAL DETERMINATION OF THE PARAI~TERS OF THE LIMITING CYCLE OF CAVI-
TATIONAL SELP-OSCILLATION~ IN THE SYST@i MADE UP OP A CENTRIFUGAL SCRL~{i PUI~ '
AND PIPELINES WITH CONSIDERATION OF UNSTEADY FLO{~1 AROUND THE BI.ADES OP AN
AXIAL SCREW FOREPUMP UNDER CONDITIONS OP PARTIAL CAVITATION (WITH6UT
BACKPLOWS)
KOSMirHESKiYE iSSLEDOVANiYA NA UKRAiNE. RESPUBLiKANSKiY MEZHVBDONSTVII+tNyy ~
SBORNIK (Space Reeearch in the Ukraine. Republic Interdepartmental
Collection) in Ruasiaa No 11. 1977 pp 41-47
~From REPSRATI~NYY ZNLlRNAL, ~IKA No 7~ 1~18 Abetract No 1B1227 by the
authorsj ~
PILIPENKO, V. V. and DOVCOT'K0, N. I.
[Text] A method ie propoaed for theoretical detetminacion of the paremetere ~
of the limiting cycle of cavitational self-oscillations. The authore es-
tablish the influence that regime parametere of the aystem (preeaure at
11
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the pump inlet and flowrate through the pump) have on ehe frequency, ampli-
tude and waveehape of cavitational self-oecilletiona. Satiefactory agreement
ig obeerve~i betwQ~n theoretical and pxperi~nental reeulte. Referen~es 8.
USSR UDC 533.69,011
ON THE LOWER LIMIT YF YNDUCTIVE-WAV~ DRAG FOR SWEPTBACK SJINGS
Novoeibirek ISSLEDOVANIYA PO ALRODINAMIKE NEPLOSKIKH KItYL'YEV (Reeearch on
~ the Aerodynamic~ of Nonplanar Wings] in Ruesian, 1977 pp 31-4~
(I~rom RLFERATIVNYY ZHURNAL, t~1tHANIKA No 7~ 1978 Abstract No 7B1269 by
V. I. PUTYATA]
KOROBEYNIKOV~ N. P.
(Text~ An examination ie made of euperaonic flow around eweptback wings
with cloae Co a delta plan�orm or a shape like a swalloW~ai1 with cut off
- edgea; it is a~sumed tt~at the leadiag edge ia subeonic and that the trailing
edge is aupereonic. Within the framework of a linear theory, the author
determines the limiting minimum valuas of that part of the drag of euch
wings that depend on lift. Such eatimates may play an important part as a ~
criterion of effectivenesa of optimization of the ehepe of the middle sur-
face of the wing, enabling a reduction in eddy and wave drag for a given
lift of the wing due to the posaibility of realization of suction forces.
Some examplea are given that characteriz~ both the role of the auction
_ forces and the presena: of additional resourcea for a further reduction of
drag through deformation of the iniddle surface.
12 -
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USSR �
UDC 533.69.011
UISTttIIIUTED .'1ERODYNAMIC CHARAC7.'ERI5TICS OI+ 5WEPTBACK WINGS WITH OPTItMUM
- sYx'pA1tA~T'~R DBFORMATION OF THB MIDDLE SU~'ACE
Novo~ibirsk ISSLL~DOVANIYA PO AERODINAMIKL NEPLOSKIKH KRYL'YEV (tteeearch
on rhe Aerodynamica of Nonplanar Winge) in Ruesian, 1977 pp 6 13
~firom R~FERATIVNYY ZHURNAi,, MEKHANIKp No 7, 19~8 Abetract No 7B1270 by
V. I. Pu~y~ta)
BELOLIPPTSKAYA, G. T. and KOROBLrYNIKOV~ N. P.
(Text) To elucidate the mechaniem thaC enablea a reduction in Che lift- -
dependent drag of a wing at eupereonic velocitiea through deformaCion of the
middle surface of the wing, the authors use a linear theory in a detailed
aa~lyeis of the diatributed aerodynamic characCeristice of delta and near-
delta winge with the equation of the middle surface given in the form of a
power-law polynomial thaC depends an six parametere with valuea determined
from solution of the problem for an arbiCrary minimum drag. It is egtabliehed
that a reduction in drag occure chiefly due to the wing close to the leading
edge where auction forcea are realized that are in fact the main eourcea of
drag~
13
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~
USSIt UDC 533~652/.661.013
b~T~RMINING THB COBPI~ICIENTS OF DAMPING ~m~z + t~y $Y TtIE METt10D OP NRE~
OSCILLATIONS USYNG HYGH-SPEED MOTION PICTUR~ PHOTO~ItAPHY
TEMATICHESKIY 5BO1tNIK NAUCHNYKH 'TRUDOV. I~OSKOVSKIY AVYATSIONNYY xK5TITUT
(Topical Collection of ScienCific paper~. Moecow Aviation Inatitutej in
ltuesian tdo 417~ 197~ pp 29-35
~From RLFLRATIVNYY ZHURNAL~ MEKHANIKA No 7~ 1978 Abstract No 7B1286 by
G. S. Aronin~
BABONIN, V. V. and KOLMAKOV, YU. A.
(Textj The paper deacribea an enperimeatal facility for determining
the overall coefficient of the longitudinel nwment of damping of a model
in a wind tunnel. In the installaCion the model ie faetened o~a the
moment axig by two preciaion ball bearing~ in which a brace ia provided
to reduce friction by Caking Che weight of the model. Pree oacillations
of the model in the stream in the Cunnel are photographed by a high-epeed
' motion picture Camera equipped with a time indicator. The formula that ie
givPn for determining the damping coefficient from data of interpretation
of the motion picture film does not take account of the influeace of
friction in the ball bearings~ which is taken ae negligible.
14
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USSR UDC 533.652/.661.013
NONLIN~AR 03CILLATIONS ON' AN ASYI~iETRYC FLIGtiTCRAFT
K03MICHL3KIY ISSLEDOVANIYA NA UKRAINE. RESPUBLIKANSitIY MBZtiVBDOMSTV~NNYY
SBO1tNIK (Spaca Reaearch in the Ukrgine. Republic Interdepartmentel
CollectionJ in Rueei~n No 11~ 19~7 pp 3-7
(From REFERATIVNYY ZKURNAL, MEKHANIKA No 7~ 1918 Abetract No 7B1291 by the
authora]
_ MOROZ, A. P. and PBNYA, V. N.
(Texe) An examinetion ie made of rhe problem of oecillationa of a rotating
aey-metric flightcraft with coneideration of rhe nonlinear dependence of
aerodynamic characCerietice on angles af attack and sliding~ as ve11 as the
variability of the parametere of motion of the center of maes. Firet-
approximation differential equatione are derived for determining the amplitude
and phase of the epace angle of attack of an aoymmetric flightcraft.
Aa investigation ia made of the influence that nonlinearity of the aero-
dynamic characteriatice of a flightcraft hae on the amplitude of the
, epace angle of attact~ in the parametric reeonance zone. Referencea 5.
_ USSR UDC 621.4/.6:533.6
ON DETERMINING THE OPTIMUM ANGLE OF EXIT OF THE GAS FROM A BLADELESS
NOZ2LE ASSEI~IDLY OP AN AXIAL TURBINE
GYDRODINAMIKA LOPATOCHNYIQ~ MASHIN I OBSHCHAYA t~KHANIKA (Hydrodpaemics of
Vane Machines and Ceneral MechanicaJ in Ruseian 1977 pp 78-83
[From REFERATIVNYY ZHURNAL~ MEItHANIKA No 7~ 19~8 Abetract No 7B1383 by Che
authora]
GOLUBTSOV, V. M. and SAPOZHNIKOV~ N. I.
(Text~ Based on eacperimental studies of the parametera of bladeless nozzle
asaemblies of axial turbines~ a relation is found for the change in the
velocity losa factor at different aagles of flow exit. A method is given
for chooeing the angle of exit from the condition of achieving maximum
turbine efficiency.
15
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USSR UDC 53a,6.013.42
AN APPI~OXIMATE METHOD OF STUDYING THE PROBLEM OF NONLINEAR O5CIJ~LATIONS OF
A LIQUIn IN A CA4'~TY WITH AN ANNULAR UNDYSTURBED PREE SURNACE
. Kiev DINAMIKA I USTOYCHIVOS~' UP1tAVLYpygMyKH SISTI~M [Dynamice gnd SCability
- of Controllable SyatemeJ in R~~eaian, 1977 pp 104-116
~From REFBRATIVNYY ZHURNAL, I~KHANI~tp No 79 1978 Abetract No 7V362 (from Che
article)]
PIL'KEVICH~ A. M.
(Textj M examination ie made of Che problem of nonlinear oecillationa of
an ideal incompresaible liquid in a cavity wiCh annular undisturbed fre~
eurface. The algorithm used for solving the problem (s~e I. A. Lukovekiy,
"Nelineynyye kolebaniya zhidkoati v sosudakh slozhnoy geometricheskoy formy"
(Nonlinear Oacillations of Liquid in Vesaels of Complex Geometric Shape~,
Kiev~ "Naukova dumka," 1975) reducea the initial nonlinear problem to a
- series of linear boundery value problems that are aolved by a variational
method. The results are numerically analyzed for aome apecific casea.
USSR UDC 533.6.013.42
_ INVESTIGATION OF NONLINEAR OSCILLATIONS OF A LIQUID IN MOVING CAVITIES OF
REVOLUTION WITH UNBROKEN RADIAL PARTITIONS
Kiev DINAMIKA I USTOYCHIVOST' UPRAVLYAYEMYKH SISTEM [Dynamics and Stability
of Controllable Syatems) in Ruasian, 1977 pp 117-130
[From REFERATIVNYY 2HURNAL, I~KHApIKp No 7~ 1978 Abstract No 7V363 (from
the article)j
STAROS ILA, l~ . I .
[Text) An inveatigation is made of amall oscillatione of an ideal incom-
pressible liquid sloshing in a cavity of revolution with unbroken radial
partitiona. It is asaumed that the cavity undergoea predetermined trana-
lational movements. A series of boundary vs~lue problems is derived for the
componenta of the velocity potential ae well as nonlinear equations of
a~otion of the liquid and expreaeions for the coefficienta of these equations.
16
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~
~
US3R UDC 533.6.013.42
VARIATIONAL FORMULATIONS OF THE PROBLEM OF SMALL 03CYLLATIONS OF A LIQUTD
IN A VESSEL UNDETt CONDITIONS CL03E TO WEIGHTLESSNESS
Kiev DINAMIKA I USTOYCHIVOST' UPRAVLYAYEMYYtH SISTEM [Dynamics and
Stability of Controllable Syetsme] ~n Rueeian~ 1977 pp 74-83
[From REFERATIVNYY ZHURNAL, I~KHANLKA Na 7, ~978 Abatract No 7V364 (from
~ the article)] .
BARNYAK, M. YA.
(Text] A variational formulation ie given for the problem of emall
~ (natural) oacillatione of an ideal incompreeaible liquid in a ve~sel with
coneid~ration of forces of gravitation and surface tenaion. The construcCed
numerical algoriChms generalize the previously known algorithme ,for eolving
the formulated problem. Eetimatea are found for the eigenvaluea of the
~ problem.
17
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High-Energy Devices, Optice and Photography
USSR
UDC 533.9
ON THE FEASIBILXTY OF DEVELOPING HIGH-INTENSITY SOU1tCES OF ULTEtAVIOLET
RADIATION BASED ON CUMULATIVE PLASMA-DYNAMIC DISCHA~iGLS
PIS'MA V ZHURNAL TEKHNICHESKOY FIZIKI in Rueaian Vol 3~ No 24~ 1977 pp 1331-
1334
~From REFERATIVNYY 2HURNAL~ MBICHANI1Cp No 7, 1978 Abetract No 7B423 by
. 0. P, ShatalAV]
~ KAI~IItUKOV, A. S., KASHNIKOV, G. N., KOZLOV, N. P., ORLOV, V. K. and
PROTASOV~ YU. S. ~
[Text] An experimental atudy ie done on the poasibility of developing
high-intensity plasma-dynamic aources of emiasion that are based on impact
3nteraction and cumulation of oppoaed hypereonic denae plasma flows formed
by magnetoplasma compresaore. A technique is deecribed for creating the
plasma flowe~ and the parametera of the com~resaore are giyen as wall as
the nature of formatiotl of the cumulative zone bounded by ehock wave~ on
two sidea. The brighCneae temperature of the plasma in the cumulation zone
wae 25 000-35 000 K at a ~ate of temperature rise of about 1010 deg/s. An
investigation ie made of the spectral makeup of the radiati~n, the integral
light yield and the dependence of Cheae characterietics on the diacharge
time. It ie ahown that the effic~ency of atimulated emiesion in the
viaible and ulCraviolet regiona of the apectrum with colliainn of plasma
- jets increasea considerably as cor�pared with the radiation when the plasma
ie decelerated at a wall.
USSR
UDC 533.9
RADIATION ABSORPTION IN A PLASMA FORMED CLOSE TO THE SLrRFACE OF A SOLID
TARGET AT HIGH AMBIENT GAS PRESSURES
FIZIKA PLAZMY in Rusaian Vol 4, No 2, 1978 pp 332-337
[From REFERATI'VNYY 2HURNAL~ I~KHppIKA No 7, 1918 Abatract No 7B408 by the
authorsJ
RYKALIN, N. N., UGLOV, A. Ao and GALIYEV, A. L.
_ [TextJ An inveatigation ia made of the kinetic characteristics of a laser
plaama that is formed by tNe action of pulse radiation ~ 1.06 y~m) on the
18 _
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surface of a aCait~leas steel targeC in an a~mosphere of nitrogen, helium
and argon in the preseure range of 10-80 atmoepheres. Curvea are p~,o~ted
rhat charQCterize tranemisaion of laser emiseion by the plaema as a functiou
of preasure, time and the epecific powar of the emieaion. An estimate ia
made of the average temperature of the plasma cloud and the velocity of the ~
producte of vaporization under. conditiona of back preseure. References 12.
~ USSR UDC 533.9 -
GASDYNAMIC AND MOLECULAR PROCESSES IN CIRCULATING GAS LASERS
Minsk PROBLEMY TLPLO- I MASSOOBI~NA 77 [Problems of Heat and Maea ~
' Exchange 77~ in Russian, 1977 pp SS-87
[From R~FERATIVNYY ZHURNAL, MEKI3ANIICp No 7, 1978 Abstract No 7B429 by
0. P. ShaCalov]
KARNYUSHIN, V. N. and SOLOUKHIN, R. I.
- [Text] A brief aurve;~ is presented on problems aesociated with impulse
_ heating of gas in th~ zone of etimulated emiseion, and with the influence
that the nature of flow has on the formation and stability of the diacharge
in a continuous-flow C02 gae-diacharge laser. In particular the authore
take note of the influence that the shock wavea formed in the pu18e die-
charge zone and moving through the gas have on the rate of renewal of the
gas in the diecharge gap; coneideration is given to d~~stortion of homogene~ty
of the laser medium in the diacharge zone and the concomit~nt problems of
the dynamice of pumping and stimulated emission; it is emphasised that it
~ is important to atudy the phenomena in the vicinity of the electrodes in
the laser and methods of acting on these phenomena to improve laser
~ characteriatica. References 10.
19
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iiSSR UDC 533.9
NUMERICAL ANALXSIS OF THE CHARACTERTSTICS OF A GASDYNAMIC LASER WITH SELECTIVE
TNERMAL EXCITATION !'.ND MIXING IN A SUPERSONIC FLOW
Minak PROBLEMY TEPLO- I MASSOOBMENA 77 [Problems of Heat and Mass Exchange
77] in Ruasian 1977 pp 89-90
[From ItEFERATIVNYY 2HURNAL, MEI~IANIKA No 7, 1978 AbsCract No 7B430 by
- 0, P. Shatalov]
ACHASOV, 0. V., SOLOUKHIN, R. I. and FOMIN, N. A.
[Text] A numerical analyeis is done on the characteristics of a gasdynamic
C02 laser on mixing. The model used assumed inetantaneoua mixing of hot
nitrogen eacaping from a nozzle and an in~ecCed cold misture of COZ + He.
The diatributions found for the gain of a weak signal in the flow indicate
strong dependence of the optimum makeup of the in~ected gas on temperature; _
this result finda confirmation in earlier experimente by the authors.
Calcutated values of energy output of the laser se a function of the nitro-
gen stagnation Cemperature show an appreciable increase of energy output
_ (up to 200 J/g) with an increase ~.'n nitrogen temperature Co 3000 K.
References 5.
,
20
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, Tndustrial Technology ~
USSR UDC 531.8
' KINEMATIC CHARACTERISTICS AND CRITERIA IN SYNTHESIS OF MANIPULATOR AND ROBOT
I~CHANISMS
' SBOANIK NAUCHNO-METOUICHESKII~i STATEY PO TEORII MEKHANI2MOV I MA5HIN.
MINISTERSTVO VYSSHEGO I SREDNEGO SPETSIAL'NOGO OBRAZOVANIYA SSSR [Collection
_ of Articles on Sctentific Methode in the Theory of Mechaniema and Machines.
Ministry of Higher and Intermediate Special Education of the USSR] in Ruseian -
No 6, 1978 pp 20-29 ~ -
[From REFERATIVNYY ZHURNAL, MEKHANIKA No 7, 1978 AbaCract No 7A193 by the -
author]
VOROB'YEV, YE. I.
[TexC] The paper gives a syetematic exposition of the problem of -
velociCies and accelerations of manipulatore, and also presenCs a geometric
interpreCaCion of these parametera. Criteria are introduc~ed for trans~er
of velociCies at points in the working zone of the manipulator as well as
criteria of kinematic accuracy. It is ahown that these critteria can be
uaed as a criterion functional in ayntheaizing manipulators.
USSR UDC 531.8
EQUATIONS OF THE DYNAMICS OF TRANSFER AND ORIENTATIONAL MOTIONS OF
INDUSTRIAL ROBOTS
SBORNIK NAUCEIIdO-METODICHESKIKH STATEY PO TEORII MEKHANIZMOV I MASHIN.
MINISTERSTVO VYSSHEGO I SREDNEGO SPETSIAL'~10G0 OBRAZOVANIYA SSSR [Collection
of Articlea on Scientific Merhods in the Theory of Mechanisms and Machinea.
Ministry of Higher and IntermediaCe Special Education of the USSRJ in Ruaeian
No 6, 1978 pp 30-34
, [From REFERATIVNYY ZHURNAL, I~KHANIKA No 7, ].978 Abstract No 7A268 by the
authorJ
VOROB'Yc~V, YE. I.
[Text] Expanded equations are given for the dynamica of actuating
mechaniams of robots in the case of combinations of two, three and fo~:r
~move~rents, and also with consideration of the bending elasticity of an
- arm.
21
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- Mechanice of Solida
USSR UDC 539.3
- CALCULATION OF CORRUGATED MULTIPLE-LAYER CIRCULAR CYLINDRICAL SHELLS `
GIDRODINAMIKA LOPATOCHNYKH MASHIN I OBSHCHAYA MEKHANIKA ~Hydrodynamice of
Vane Machinee and General Mechanice] ir? Rueaian, 1977 p~ 140-i46
[From REFERATIVNYY ZHURNAL, ME~CHANIKA No 7, 1978 Abstract No 7V125 by Che
authora]
BOCHAROV~ N. I., KONATKIN, V. P. and KATICOV, V. P,
[Text] Strength calculationa are given for corrugated multiple-layer
cylindrical ahells based on experimeatttl determination of their atiffness
characteriatics for bending, twisting and atretching.
USSR UDC 539.3
EXPERIMENTAL STUDY OF THE STRESSED AND STRAINED STATE OF SHORT CYLINDRICAL
SHELLS UNDER THE ACTION OF A RADIAL LOAD
ISSLEDOVANIYA PROSTRANSTVENNYKH KONSTRUKTSIY [Studies of Three-Dimensional
Structures) in Russian No 1, 1977 pp 111-118
[From REFERATIVNYY ZHURNAL, MEKHANIKA No 7, 1978 Abstract No 7V157 by the
author]
LEBEDEV, L. N.
[Text] An investigation is made of the stressed and strained atate of thin
short cylindrical shells reinforced at the ends by circular prismatic
bulkheada for the action of a radial load distributed over a amall area.
Some experimental results are given for ahells reinforced by bulkheads of
different atiffnesaes. Reffrences 7.
. 22 -
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USSR UDC 539.3
ON THE THEORY OF $ENDING AND OSCILLA,TION3 0~ LLA5TIC MULTILAYEttBD ANI30-
TROPIC PLATES
PRIKI.ADNYYE PROBLLMY PROCHN03TI I PLASTICHNOSTI ~Applied Problema of :
Strength and DucCilltyJ in Ruaeian Vol 7~ 197~ pp 29-34
(From R~FEItATIVNYY ZHURNAL~ MEKHANIKA Nn 7~ 1978 AbetracC No 7V169 by the
~ authors)
ANDRLYEV, A. N. and NEMIROVSKIY, YU. V.
[TexC) The paper describes a Wereion of the the~ry of multilayer platas
thnt ie ba~ed on a knematic hypothesis eatisfying Hooke laW in gll layera
for trensverse eheare~ boundary conditione for tangential streeses on the
faces and conditione of continuiey of displacemenCs and transverse tang~ntial
stresaes on all contacC eurfaces. A8 an illuetration of uee of the resultant
- equations an examination is made of the problem of nxieymmetric beading of
a circular sundwich plate of synrmetric atructure. M estimate is made of
the influence that ehear has on "integral" characteristics--bending~ radial -
and peripheral torques--aad on the lacal characteriatics of the stressed
etate. It ie shown that the influence of ehearing ie ine~gtnificant for
, the former, but coaeiderable for the latter~ especially in aones of edge
perturbations.
NONLINEAR PROBLEMS IN THE DYNAI~QCS OF THIN-WALLED THREE-DII~NSIONAL
STRUCTURES UNDER PULSE EFFECTS
Tallin NELINEYNYYE VOLNY DEFORMATSII [Nonliaear ~train Wave~] in Ruesiaa
Vol 2, 1977 pp 17-20
[From REFERATIVNYY ZHURNAL, I~KHANIKA No 7, '.978 Abatract No 7V223 by
A. V. KhromuahkinJ
BASHENOV, V. G., SOLUYANOV, I. I. and SHINKARENKO~ A. P.
[Text) A brief deacription is given of the use of a variational difference
method for solving problema in dynamic loading of thin-walled structural
elementa coneisting of ~oined plates and shella. The problem is conaidered
within the framework of the quadra;~tc approximation of aonlinear elasticity
theory with coneideration of plasti~: deformation of material. The syetem
of equatione of motion of the structure is defined by a variational
_ 23
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NOR dFFICIAI. U5~ ANLY ~
d'A1~mbert-Lagrgnge equ~tion ~nd i~ a ay~Cem nf ordingry n~niin~gr differ~nCi~i
equation~ of eecond ord~r with respect Co time for digplac~menCa of ea~h
pnine of inCereection of Che grid for partitton of the ~tructure. ~hie
gystem i~ inC~grated by en ~xplicit scheme of the n~e-point o~ethod. A
numerical ex~mple ie given of goluCion of th~ problem of dynamie b~hgvior
of ~ clamped hamiephpric~l ~h~ll und~r th~ action of ~~aiCial vt ,city.
USSIt UDC 539.3:534.1
INPLU~NCE TNAT INBRTIA AND STIPI?NBS~ OF A RONTOUR RINC lUVg ON TliL
FREQU~NCIE5 Ol~ AXISYI~f~TRIC OSCILLAT~ONS Ol~ A PI.NTL
MLKW~NIKA ST~1tzHNEVYKH 5ISTEM I SPLOSHNYKH SRED (Mechanica of Rod Systeme
and ConCinuous Media~ in Ruseian No 10~ 1977 pp 59-63
[From RLFBRATIVNYY ZNURNAL~ ~IIKp No 7, 1978 Abstrect No 7V241 by the
author~j
BODUNOV~ A. K. and BODUNOV, N. A.
(TextJ An eacamination ie mede of aatural axisymmetric oscillatione of a
circular plate on an elaatic baee. Coneideration is taken of the inertia
and eCiffnesa of an elaetic ring reinforcing the freely supported or free
edge of the plate. Reference
24
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~
~ ~~s~ UUC 624.07t534.1
CALCULAT~ON OP VIBRATION3 OI~ TNR~L-bYt~N3I0NAI. PY~~LINB3 ~iIT'N gLASTICAI.LY
~AM~'~D CONSTEtAYNTS IN TNE CASB OF KINBMATIC BXCITATIUN
Kuybyehev VOPROSY PAOYBtt'~IROVANIYA I COVODKI AVIATSIONNYKH C,~OTUIt~INNYttH
UVY(~ATELEY (Problems of D~~ign ~nd Alighment of Gae Turbitte Aircr~ft -
13agine~j in Ruaeign 197~ pp 80-106
(Frdm 1t~1~RA~iVNYY ZHURNAL~ M~KHANIKA Na 7~ ~97'g Abetract No 7V272 by the
~?uthore ~
KONDRASttOV, N. S. anr~ LASHKOVA, L. A.
CTextj A numeric~l method is present~d for calculating foxced oecillatione -
of a pipeline with kin~matic excitation by harmonic and random vibratian.
'The algorithm is ba~ed on the matrix meChod of dynamic gtiffae~aes. 1`ao
versione of Che algarithm are developed: for a pipeline of arbier~ry
configuraCion and for a pippline with an axis m~de up of ntraight eections
and arc~ of circles. Both vereions provide for consideration of ~lgetically
_ damped conetrainte~ the presence of lumped maeee~ and compliaat connectiona.
An examination ie also made of complex syetems co~rising several inter-
connected pipelinea or a eingle pfpeline vith interconnected points. The
peper givee the resulte of calculation by the proposed method for a three-
dimenaional pipeline consieting of etraight-line segmeate. Referencee 7.
USSR UDC 539.3:534.1
THEORETICAL AND EXPERIMENTAL INVESTIGATION OP T~iE STABILITY OF TOROIDAL
SEiELLS UNDER EXTERNAL PRESSURE
Kezan' IZVESTIYA W2ov: AVIATSIONNAYA TEKNIKA in Rusaiaa No 4, 1977
pp 98-102
(From REPERATIVNYY 2HURNAL~ I~KHAr1IKA No 7~ 1978 AbBtract No 7V302 by W. I.
Kruglyakova)
PEDOSOV, YU. A.
~Text) A solution ie found for the axisyLCOetric problem of lose of stebility
of a complete torue under the action of external pressure with coneideration
of the condition of inextensability of an arc of the meridional aection.
The paper also gives the reaults of experimental etudiea on eight models.
25
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~ox n~~icrnt. vs~ ornY
~15SR UDC 539.3:534.1
CHAIaCIg IN T~~ STABILITY OP A CYLINDRICAL SH~LL UNU$lt EtYpROSTATYC PRB33URB
WFtBN 3U~J~~~n Tb ~g~RSL 05CILf.ATIONS
t~KHANiKA 3T~tt2liN~VYKH SI3T~i I 3PLOSHNYKH S1t~0 (M~chanicg of Rod 5y~Cemn
gnd Cont~nuoug MedieJ in ~ueei~n No i0, 197y pp 71_76
I~rom R~I~~ATIVNYY ~HURNAL, M~HAr1YKp Nn 7, 197$ Abetract No 7V343 by the
gurhor~
BIttMAN, V. M.
(T~xtj An ~xami:~ation ie made of ~xi~yavmeCric o~cillationg of a emooth
eylindrical ehell freely supported at the ends uader the action nf hydro-
eratic preeeure. Oscillationg are excited by periodic preaeurp ~pplied on
rhe lateral eurfac~.
It is ehown thet variable chain forces that arise with oecillationa due to
clogure of the ahell change the stability as comparcd with the etatic
problem. Oacillationa are unstable at a hydrostatic preseure that -
exceeds the critical value for eome relationg between the parametere of the
load and syetem~ and ie leae than the critical value for other relatioas
between param~tera.
USSR UDC 539.214;539.374
- ADAPTA$ILITY OF SPHERICAL SHELLS IJNDER C!'M L~a~ ur INTERIZAL PRESSURE
MID NONUNIFORM HEATING
RESPUBLIKANSKIY 1~2HVEDOMSTVENNYY SBORNIK (Republic Interdepartmental
Collectionj in Rusaian No 18, 1978 pp 29 34
[Fr~,m REPERATIVNYY ZHURNAL, MEtCNANIKp Ne 7, 1978 Abatract No 7V465 by the
authorj
CHERNYAVSKIY~ 0. F.
[TextJ Upper and lower estimatee are fouad for the conditiona of onset of
a progresaive change ia ehape of epherical axisymm~etric ehells of coaetant
thicknees clamped and hinged arouad the edge in the ceae of repeated
actions of iaternal preasure and temperature varying liaearly vith
respect to the thickness of the ahell. References S.
26
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~o~ ox~rcint. usr orn.Y
Metrology
U~~~ UUC 531.786.089.6
A COMBINATION MBTHOD OF CALi~1tATI0N OF MANOI~T~lt3 YN TH8 AIt~A OF NI(~ AND
SUPSRHIGH VACUUM
*~1ttJt)Y t~TROLAGICHBSKIKH INSTI~'tl'rOV 55SR. V3~SdYUZNYY NAUCHNO-IS3LgDOVATEL'-
5KIY INSTITUT M~TROLOGICH~SKOY SLUZH~Y [Proce~dinge of MeCrologicgi
IneCitue~a of th~ US3R. Ail-Union Scieatific Regegrch InstituCe of the
MeCrologiCgl Sprvfce~ in Ruesian No 223/283~ 19~8 pp 49-59
~~rom tt~T~FNT~VNYY ZHURNAI,~ MgTROLOGIYA I IZMSttITKL'NAYA TBKHNIKA No 9,
1978~ Abatract No 9.32.674~
KUZ'MIN, V. V.
~Textj A combined method ie preeented for calibration of vacuum metere~
repreaenting a combination of tWO mpthods: the method of etatic expaneion
(expaneion me~thod) or the method of calculaCion of the initial preseure in
terme of time (chronometric merhod)~ with the method of reduction of thie
preeeure to the region nf high and euperhigh vacuum. Pigurea 3. Teble 1~
Referencea 13.
USSR UDC 535.338.334:621.375.826
DEVELOPi~NT OF METHODS OF LASER-DOPPLER I~ASUREt~NT OP VELOCITIES KITt~ DIRECT
SPECTRAL ANALYSIS
- Minak i~TODY LAZERNOY DIAGNOSTIKI ODNOPAZNYKH I t~IIJOGOFAZNYKH TECNENIY ~Methoda
of Laser Diagnoeis of Single and Multiple-Phase Currente] in Rusaian 1978~
pp 3-73
(From REPER~ITIVNYY ZNURNAL~ I~TROLOCIYA I IZt~RITEL'NAYA TElCHriIKA I~o 9,
1978~ Abatract No 9.32.532j
PAPYRIN~ A. N. and SOLOUKHIN~ R. I.
(Text) The physical principlea and specifics of practical realization of
laeer-Doppler velocity meters (LDVM's) with direct spectral analyeis are
preseated. The devices are based on the use of inethods of high resolution
interference apectroacopy. A revieW ia preaented of the current etatus of
reaearch in this area, and aeveral types of multiple-beam interferometers
are deecribed Which are of interest for practical LDVM circuits. The
27
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principlee of deeign of ecanning and eracking LDVM circuiCe ~re an~7,y~ed~
e~ w~ll as the ~p~cifice af th~ir ~ppllcaCion in aarodynamic gnd gg~~�
dyngmic experimente. A number of inetere with high opergting ~pa~de~ bgsed
on opeoel~cCronic syetem~, are ~uggest~d. ~igures 35~ Referencee 68.
28
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Nevigation and QUidance 3yeCeme '
~gs~ UDC 531
VIHRATIONAL-ROTATYONAL MOTION OP AN ASYI~iLTRIC SOLID IN A PLANLTARY
ATM03I'HERE
Kiev CINAMIKA I UPRAVLENIYA~DVIZli~NIYEM ~Dy~namice and Motion Control~ ia
ltugeian, 1978 pp 33-43
~FL~om It~FERATIVNYY ZHURNAL~ MBKHANIKp No 7~ 19'78 Abe~rect No 7A44 by the
author~]
MOROZ~ A. P. and P~NYA~ V. N.
(TexC) M examination ie made of vibrational-rotational motion of a aolid
in a plgnetary atmoephere. Av~eraged eyetema of equations are derived that
deacribe the a~ottoa of an asymmeCric eolid in the resonanC aad nonresonant
_ c~ses at emall anglea of attack. 2t ie ehown that regults found by in-
tegrating uneveraged and averaged eyet~ms of equations coincide~ and it ia
~ poineed aut that there ia an appreciable gain in machine time ahen averaged
equaCions are integrated as compared with unaveraged. References 8.
USSR UDC 531
ON INVESTIGATING THE MOTION OF AN ASYI~TRIC SOLID AT ARBITRARY ANGLES OF
NUTATION BY USING AN AVE1tAGING I~THOD
- Kiev DINAMIKA I UPRAVLENIYE DVIZHENIYEM (Dynemics and MNtion Control] in
Rusaian, 1978 pp 43-48
[From REFERATIVNYY 2HURNAL~ MEK~~ANIKA No 7, 1978 Abstract No 7A45 by
the authors)
GOL'DSHTEYN, YU. M. and PENYA~ V. N.
[Text] Without limitation on the angle of nutation, the amplitude of
oacillations with respect to angle of nutation or angular velocities, a
syetem of differential equations of motion ia derived for an asyr~etric body
that ia close to axisymmetric~ enabling elimination of rapidly oscil.lating
variables by means of asymptotic methods of separation of motions. An
algorithm ie developed for eliminating fast variablea that ia based on
V. M. VQlosov's method of averaging. References 6.
29
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USSit UDC 531
INFLU~NC~ TNAT TNE FRICTION TORQUE OF A GP.ARBOX YN AN ACTUATING MOTOR HAS ON
FORCED OSCILLATIONS OF A UNYAXIAL (iYR03TABILYZER
MLZHVt120VSKIY 3BORNIK. LLNINGItADKIY BLEKTROTEEtHNICHBSKIY INSTI7'UT (Ynter-
ineCiCutional Collection. Leningrad Elecerical Lngineering InaCitute] in
Ruasian no 117, 1977 pp 92-g7
[~rnm 1t~FERAT~VNYY ZHURNAL, MEKHANIKp No 7, 1978 Abetract No 7A57 by the
author~
TOKAREV, V. A.
(TexC] An exa~nination ia made of forced n~otion of a uniaxial gyroetabiliter -
under the acCion of a harmonic and a~onstant torque with conaideration of
friction loeses in the gearbox of the atabilizing motor. It ia shown Chat
friction in the gearbox changes the sratic and dynamic characterietice of
the syatem.
USSR UDC 531
ON THE DYNAMICS OF A CONTROLLABLE GYROSTABILI2ER WITH ELASTIC COUPLING OF
TEIE SUSPENSION ELEMENTS
1
MEZHW20VSKIY SBORNIK. LENINGRADSKIY ELEKTROTEI~IICHESKIY INSTITUT (Inter-
institut~onal Collection. Leningrad Electrical Engiaeering Institute] in
Russian No 117, 1977 pp 97-103
[From REFERATIVNYY ZHURNAL, 1~KtiANIKA No 1. 1978 Abstract No 7A58 by the
authorJ
CHERNOV~ V. YU.
[Text] An exemination ia made of a uniaxial controllable gyrostabilizer
design with coneideration of the elaeticity of elements of the euspension. -
Differential equations of motion are preaented from which an approximate -
tranafer function of an open eyetem is found. An analysia ia made of the
influence that elastic constraints have on the frequency of nutational
nacillationa of the gyrostabilizer. Stabilizatioa accuracy is atudied
with reapect to the atatic characteriatics and the transfer functiona.
30
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' USSR
UDC 531
CONCEItNING THE STA$rLITY OF A GYRO5COP~ ON A MOVING BASE IN THE GRAVITATYONAL
FIELD OF TWO STATIONARY CENTERS
T~MATICHESKIY SBORNIK NAUCHNYKH TRUllOV. MOSKOVSKIY AVYATSIONNYY INSTITUT
CTopical Collection of 3cientific Papere. Moecow AviaCion Inetitutej in
Ruseian No 424, 1977 pp lg_23 -
[From REFERATIVNYY ZHURNAL~ MEKHANIItA No 7~ 1978 AbsCract No 7A59 (from
the arCicle))
GURTN, A. I.
(Text] Uaing the Routh and Kelvin theorems~ neceasary and sufficient coadi-
tions are establiahed for the etabiliCy of ateady-atate moCioas of a gyro-
ecope on a moving base in the force field of two etatianary gravitating
centera.
USSR
~ UDC 531
MOTION STABILITY OF A CONTROLLABLE GYROSCOPE IN BANKING
TEMATICHESKIY SBORNIK NAUCHNYKH TRUDOV. MOSKOVSKIY AVIATSIONNXY INSTITUT
[Topical. Collection of Scientific Papers. Moacow Aviation Institute] in
- Ruesian No 424, 1977 pp 24-27
[From REFERATIVNYY ZHURNAL~ MEKHANIKA No 7, 1478 Abatract No 7A60 (from
the article)]
LISINA, I. L.
(Text] The Lyapunov method is used to study the aCability of motion of a
controllable gyroacope in banking in the preaence of apring limitere. The
angular velocity of banking is assumed to be a predetermined function of
ti~.
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USSR UDC 531
CONCERNING DISPLACING MOMENTS IN MAGNETIC SUSPENSIONS UNDER THE ACTION OF
PLRTURBING FORCES
hIEZHVUZOVSKIY SBORNIK. LENINGRAbSKIY ELEKTROTEKHIJICHESKIY INSTITUT [Inter-
insCitutional Co1lecCion. Leningrad Electrical Engineering IneCituteJ in
Rueaian No 117, 1977 pp 122-124
[From 1tEFERATIVNYY ZH~iRtJAL~ I~KHANIKA No 7~ 1978 Abatract No 7A62 by the
authorj
' FEDOROV~ V. P.
[TextJ An examination is made of the dieplacing moment that acta on the
gyro element of a two-degree floating gyroscope on the eide of the magnetic
auapeneion in Che case of devi~Cion from the ideal geometric ahape of the -
~ bearing rotors and action of diaturbing �orcea. It is ahown that the die-
placing momenC in thia case containe componenta that depend on linear dis-
placemen,te of the rotors, and consequenCly differ in instability. Methode
are reconmaended for eliminating Che individual componente of the dieplacing
moment.
USSR UDC 531.36;531.31;531.391.5 -
ENSURING STABILITY OF A GYROSTABILIZER UNDER UNSTEADY WORKING COIQDITIONS
BY USING A STEADY-STATE CORRECTYNG LOOP
MEZHWZOVSKIY SBORNIK. LENINGRADSKIY ELEKTROTEICffiQICHESKIY INSTITUT [Inter-
institutional Collection. Leningrad Electrical Engineering InstituteJ in
Russian No 117, 1977 pp 103-107 -
[From REFERATIVNYY ZHURNAL, *~KHANIKA No 7~ 1978 Abatract No 7A69 by the
, author)
POPOVICHEV, M. V. .
[Text] An examination is made uf the uneteady mode of operation of a �
gyrostabilizer with a variable kinetic gyroacope moment. It is ehown that
it is possible to ensure stability of the system over a broad range of
variation in the kinetic moment of the gyroscope by using a steady-atate
integrodifferentiating correcting loop of second order. Reco~endationa
are made on chooeing the parameters of the correcting loop that are confirmed
by the reaulta of digital modeling and experimental research. Referencea 5.
32
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USSR UDC 62-50 -
_ AN ALGORITHM FOR SOLVING PROBLEMS IN OPTIMIZING THE KTNEMATIC CHARACTERISTICS
OF MULTIPLE-RING GYROSCOPE SYSTEMS '
ME2HVUZOVSKIY SBORNIK. LENINGRADSKIY ELEKTxOTEKHNICHESKIY INSTITUT (Inter-
inetiCutional Collection. Leningrad Electrical Eng3neering Inetiture] in
Ruesian no 117, 1977 pp 48-53 ~
[From REFERATIVNYY ZHURNAL, I~ICHANIKA No 7, 1978 Abstract No 7A74 by Che
author~
BYKOVA, G, M.
[TexC] An analyeis ie made of t~?e particulare of digital computer solution
of probleme of optimizing the kinematics of gyrosyeteme with additional
degreeg of freedom. A numerical algorithm is proposed that appreciably
improvea convergence of the iteraCion algorithm by reducing the nonlinear
boundary value problem to a Cauchy problem.
USSR UDC 531.55:521.2
A COMBINED METHOD OF SOLVING THE JUIDANCE PROBLEM IN SPACEFLIGHT 1~CHANICS
KOS~tICHESKIYE ISSLEDOVANIYA NA IJK~RAINE. RESPUBLIKANSKIY MEZHVEDOMSTVENNyy
SBORNIK [Space Research in the Ukraine. Republic.Interdepartmental Collec-
tion] in Ruesian No 11, 1977 pp 27-30
[From.REFERATIVNYY ZHURNAL, MEIQ~ANIKA No 7, 1978 Abstract No 7A96 by the
authors]
GOVORUKHA, M. I. and FEDAN, E. I.
[Text] An examination is made of a combined method of solving the problem of -
= guidance in epaceflight mechanics. The essence of the method consieta in
uaing the theory of keplerian motiona to determine the initial approximate
values of the parameters of orientation of the velocity vector of a space
vehicle and derivatives of scattering with subsequent solution of the boundary
value problem by a numerical method. This gives the poasibility for reducing
the time for solution cf the problem by a factor of more than two as compared
with solution by a purely aumerical method. _
33
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USSR UDC S31.55:52-.2
ON SOME PARTICULARS OF INVESTIGATION OF A MAGNETIC SYSTEM FOR CONTINUOUS
C0IQRECTION OF A KINETIC MOI~NT
KOS~IYCHESKIYE ISSLEDOVANIYA NA UKRAINE. RESPUBLIKANSKIY MEZHVEDOMSTVENNYY
~ SBORNIK [Space Reaearch in the Ulcraine. Republic Interdepartmenta~.
Collection] in Russian No 11, 1977 pp 78-85
[From REFERATIVNYY ZHURNAL, 1~KHANIKA No 7, 1978 Abstract No 7A97 by the
authors]
SHICHANIN~ V. N., DRANOVSKIY, V. I., KULIK, A. D. and ALPATOV, A. P.
[Text] An approximate meChod is presented for etudying a magnetic ayatem
for conCinuous correcCion of the kinetic moment of a flywheel orie.nCaCion
control syetem. The method ie based on differentiating the local, regional
and global properttes of the proceasee that take place in the magnetic aysCem
for continuous correction. In studying the lacal properties~ a relation ie -
- esCabliahed between the duration of correction and the parametera of the
system; channel coupling coefficienta are introduced that enable a quanti-
tative evaluation of the influence of croea connections. In studying the r
regional properties, a method is propoaed for determining the conditions of
existence of stable periodicity of the corrections in an isolated channel.
Cases are pointed out in which global properties can be ~udged from the
result of etudying local and regional properCies.
The proposed reaearch techniques eaable phyaically graphic ~pCimization of
the parameters of the system.
34
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USSR UDC 531.55:521.2 -
ON THF QUESTtON OF SYNT'dESTZING AN OPTIMUM SPACECRAFT MOTION CONTROL LAW
- Moscow :iATEMATICHESKO'ftE OBESPECflENIYE KOSMICHLSKIKH EKSPERIMENTOV [Spg~ce
- Research Software] ii.? I~uzaian 1978 pp 146-148
[From REFERATIVNYr ZHURNAL~ MEKHANIKA No 7, 1978 Abatxact No 7A98 by the
author]
KUZ'MINYKH, V. A.
[Text] M examination ia made of the problem of eynthesizing opeimum
control with limitations on power and orientation of reac~ive acceleration
- of a spacecraft. The differsntial equaCion for the criCerion functional ia
transformed to parabolic quasilinear for~n and an estimate is given for the
maximum value of the modulus of the criterion functional. Referencea 6.
USSR . UDC 531.55:521.2
OPTIMIZING THE SOLUTION OF SOME PROBLEMS IN SPaCEFLIGHT CONTROL BY THE
METHOD OF DESCENT WITH RESPECT TO A PARAMETER
Moacow MATEMATICHESKOYE OBESPECHENIYE KOSMICHESKIKH EKSPERII~NTOV [Space
Reaearch Software] in Rusaian, 1978 pp 122-141
[From REFERATIVNYY ZHURNAL, I~KHANIKA No 7, 1978 Abetract No 7A1n~ by the
authore]
LIDOV, M. L. and TESLENKO, N. M.
[Text] It ie pointed out that there is an analogy between the problem of
chooeing the optimum measurement program when there ia a limitation on the
frequency of ineasurements, and the problem of 1!aear correction when there
is a limitation on the amount of thrust. The problem of choosing the -
measurement program ia generalized to the case of aeveral parameters to be
evaluated in the presence of a priori information.
It ia proved that the solution of these problema with a controlling function
implied by the principle of dynamic ~~rogramming is absolutely optimum. An
algorithm is described for solving these problems by the method of deacent
35
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wiCh respect Co a parameter, atarting from the value of the parameter of the
problem �or which the solution can be found by an analog of the aimplex
- method.
Reaults of calculations ot~ chooeing an optimum measurement program (with a
priori :information) are found for a eatellite of Mars. -
�
USSR UDC 531.55:521.1
CONCERNING OSCILLATIONS OF A SATELLITE IN AN ELLIPTICAL ORBIT _
I~~~ev PROBLEMY ASIMPTOTICHESKOY TEORII NELINEYNYKH KOLEBANIY [Probleme of
Che Asymptotic Theory of Non~inear Oscillation~] in Rusaian 1977 pp 46-53
(From REFERATIVNYY ZHURNAL, MEKHANIICA No 7, 1978 Abatract No 7A104 by the
author]
BRYUNO, A. D.
[Text] A nonlinear differential equatioa that deacribea planar motion ~i -
a satellite relative to a center of inertia that moves in an e1lipCical orbit
_ is conaidered for two casea corresponding Co oscillations of the satellite
either in an orbital or an abeoluCe coordinate syaCem. In these cases,
calculationa of higher approximations of the asymptotic method are used to
refine results on the stability of known periodic aolutions, and new clasees
of stable periodic solutions are fouad as well. Referencea 13.
36
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FOR n~FI~IAL US~ ONLY
USSIt UnC 531. SS t 52~..1
STLADY-STAT~ NATURAL ROTATIONS OP AN ARTIFICIAL SATBI,LITE 2N A MAGNgTIC ~IgLD
KO5MICN~SKIYE I3SLEDOVANIYA NA UKRAIN~. tt~5PUBLIKAN9KIY MBZNVBDOMSTVBNNYY
3B0lt~1IK (Space Research in the Ukrain~. ttepublic InCerdepartmentnl
CollectionJ in Ruesian No 11, 1977 pp 17-22
(From REFERATIVNYY ZHURNAY.~ t~KNANIKA No 7, 1918 Ab~Cract No '7A107 by the .
authore~
YANSNIN, A. M. and ZABLUDA~ S. M.
(Textj A system o~ equatione is derived thar deecribes Che evolution of
- rotational motion of an artificial eatellite in a magnetic field under the
effect of the dieaipative moment from eddy curtients ~riCh coneideration of
the angular rotational velocity of following of the vector or geomagnetic
field inteneity in an absolute coordinaCe syatem along the orbit of the
artificial eatellite. Based on examples of polar equatorial and eteady-
etate orbita, an inveatigation is made of the asymptotic ~teady-~tate
natural roCations of the saCellite. It is ehowa that theae ateady-atake
rotatione a 3e equal to the angular rotaCioa~al velocitiee of folloiring of
the vectc~; and ae a rule are in a reeonant relation with the frequency
of orbital revolution of the satellite. Conditiona are coneidered that
lead to reversal of eatellite rotation by the geomagnetic field. References
12.
37
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U53R UDC 531.SSs521.1
'I'WO-II~UL3E 9'1tANS~~~t PROM DIFPE1t~iT POINTS ON AN ELLTt'TICAL OItBIT TO A
COPLANAit CIRCt1LAit OR$IT
KOSMICH~SKIYL I3SL~DOVANIYA NA UKRAIN~~ RLSPtJBLIKAtQSKIY MEZHVBDOMSTV~NNYY
580EWIK (3pac~ Reaearch in the Ukrain~. itepublic Int~rdepartmental
Collectionj in Ruseian No 11~ 1977 pp 7-10
(From ttEPERATIVNYY ZHURNAL, M~WAAIIKA No 7, 19~8 Abetract No 7A108 by the
euthorj
KOMAROV, V. G. -
(Textj An examination is made of a tWO-impulse transfer of a~pace
vehicle between a fixed point on an elliptical orbit and a coplanar circular
orbit. It is aseumed Chat the impulses are imparted in the direction of the
velocity vector. M iavestigation ie made of the way that the characterietic
velocity dependa on the true anomaly in the elliptical orbit.
US5R UDC 531.55:521.1
- ON CONTROLLING THE MOTION OF A PAIR OF SATELLITES INTENDED FpR PROBINC THE
MAGNETOSPHERE
Mnscow MATEMpTICE~ESKOYE OBESPECHENIYE KOSMICHESKIKH EKSPERII~NTOV (Space
Reeearch SoftWarej in Ruasian 1978 pp 142-145
(From REFERATIVNYY ZHURNAL~ I~KHANIKp No 7, 1978 Abstract No 7A109 by the
authorj
EYSMONT, N. A.
[TextJ An examination is made of problems of optimum control of the motion
of a pair of satellites in some neighborhood of a nominal tra~ectory.
Pontryagin's maxiQUm principle ie uaed to solve the problem. A method is
proposed for choosing the initial approximation of the solution based on
the peculiaritiea of a given problem.
~
38
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~OIt O~~tCIAL U5~ dNLY
USSEt UDC 534
DYNAMIC STABILI2'Y OF' A GYROSCOP~ WITH bISPLACLb CLNTLR 0~ MASS UNb~R CONDI-
TION3 0~ TtAI~DOM VIBRATION OF THE 9ASE
M~ZltVi1ZOVSKIY 5BOItNIK. L~NING~AbKIY ~LEKTItOT~KHNICH~SKIY IN5TITUT (Inter-
ingCituCional Collection. teningrad ~lectrical ~ngineerit?g Ineritute] in
Ruasian No 117~ 1577 pp 69-72
~From REFERATIVNYY ZHURNAL~ MEKW~NTKA No 7~ 1978 Abetract No 7A134 by the
authorsJ
GURIN, L. B.~ KOPYTOV~ V. I. and CH~IPKOVICH~ A. A.
~TexC) The auChore consider motian of a gyroecope in a Cardan augpeneion =
with displacement of ehe center of maes when the base is eub~ected to linear
vibration that is a wide-band random proceas. The resultg?~~ cond~~:on
ehows that for predetermined gyroecope parametera, the poaeibility of oneet
of parametric resonance is influenced by the ratio between damping along
the ~xes of the gyroscope and the epectral deneity of vibration of the base
on a frequency that ia double the frequency of nutational oacillationa of
the gyroecope. Reference
USSR UDC 534
FREQUENCY BEHAVIOR OF GYROSCOPIC SYSTEMS
�
MATEMATICHESKIYE METODY I FIZIKO-I~KHANICHESKIYE POLYA. RESPUBLIKANSKIY
MEZHVEDOMSTVENNYY SBORNIK [Mathematical Methods and Phyaicomechanical Fields.
Republic Interdepartmental Collection] in Ruaeian No 1, 1978 pp 20-21
(From REFERATIVNYY ZHURNAL, I~KHANIKA No 7~ 1978 Abatract No 7A144 by the
author]
BALINSKIY, A. I.
[Textj The classical result of frequency benavior of linear conservative
mechanical systems is extended to gyroscupic systems by reducing the
initial eigenvalue problem that is nonlinear with respect to a apectral
parameter to an equivalent linear and symmetric problem.
39
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~tt O~~ICIAL US~ nNLY
ussx unc s3~
INV~STI~ATION OF' TH~ INFLUENC~ TNAT NONIDENTI~'Y OI~ CNANNL~.3 HA5 ON THE
DYNAMICS OF A UIRL~CT GYROSTABILIZLR
M~ZHVUZOVSKIY SBORNIK. L~NINGRADKIY ~LEKTROTEKHNICH~SKIY INSTITtJ'r (InCer-
ineCiCutiongl Coll~ation. Leningred Llectrical ~ngineering IneCitute~
in ttu~sian No 117, 197~ pp 146-152
(t~rom 12~PERATIVNYY ZHURNAL, MEKHANIKA No 7~ 1918 AbeCract No 7A161 by the
authore~
VLASOV, YU. V. and SAVIN~ N. S.
[Abatract) An investigation is made of the influence that nonidentity of
the atiffnesaea of the toraion members with regpect to the exea of pre-
ceasion of gyroacopea has on the frequency characteriatics of a two-axle
direcC gyroatabilizer. IC is theoretically and experimenCally ahown that
when such nonidentity ig present, "eplitting" occura between the nutational
frequfnciea and the frequenciea on which maximum auppression of forced
oscillations of the platform ia observed. Expreaeiona are found for the
direct and crosa coefficienta of Cransfer of the gyroatabilizer ae a function
of its ma~or parametera.
USSR UDC 533.652/.661.013
SYNTHESIS OF AN OPTIMUM SYSTEM FOR STABILIZINC TEiE TRAJECTORY OF A FLICHT-
CRAFT WITH TWO CONTROL ELEMENTS
~ Moacow SINTEZ OPTIMAL'NOY SISTFatY STABILIZATSII TRAYEKTORII LETATEL'NOGO
APPARATA S DVUMYA UPRAVLYAYUSHCHIMI ORGANAMI ict Russian, Moscow Aviation
Institute, 19?7~ 5 pp (deposited in TsNIITEIpriboroatr., 16 Jan 78 No 844)
[From REFERATI'~VNYY ZHURNAL, MEKHANIKA No 7, 1978 Abatract No 1B1292 DEP
by the author]
SOROKIN, A. P.
[Text] The paper deals with problems of constructing a system for
atabilizing tt-.e motion of a flightcraft controlled by the principle of
tracking the parameters of a nominal tra~ectory. Flightcraft motion is
described by a system of unsteady equations. An optimum algorithm is
synthesized for coupled control by two control elements. A Riccati matrix
40
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~o~ ~~~rcint, us~ ocn,Y
equ~Cinn i~ integraCed in ehe rever~e direction nf change di the independene
, varieble Co find ehe vgrtabl~ coefficient~ of feedbeck. A method ig
d~velop~d for �inding the elemente of weighting matrice~ of the quality
arie~rion wiCh con~ider~eion of given indice~ of quglity of control
_ proce~~p~, acCing perturb~Cione and limitaeione on controlling variableg.
The control algorithm derived ge a r~~ult of gynth~~is c~n be realized by
an airborn~ digital compurer.
USSR UDC 629.761.78.015:533.6
- SITUATIONAL CONTROL 0~ A bYNAMIC O~JECT
TBMATICHESKIY SBORNIK NAUCHNYKH TRUDOV. M~SKOVSKIY AVIATSIONNYY INSTITUT
(Topical Collection of ScienCific Papers. Moscow AviaCion Inatitute] in
Rusaian No 419, 1977 pp 66~70
(From REFERATIVNYY ZHURNAL, MEKHANIKA No 7~ 1978 Abatract No 7B1313 by
G. S, AroninJ
OSIPOV, V. G., OSIPOVA, V. A. and FEDULOV, V. V.
_ (TextJ An examination ie made of an algorithm for flightcraft motion
control realized by an airborne digital computer by changing the angle of
attack for tracking longitudinal range and changing the angle of banking
- for tracking lateral range. It is assumed that thrust is equal to zero,
flight takes place in the atmosphere of a spherical non-rotating planet, `
and control commands are aent at discrete moments of time. For situations
in which it is impossible to compensate for mismatch with respect to ~
lateral range without introducing perturbationa in the longitudinal
range channel it ie proposed that one of three fixed controlling actions
with respect to banking be selected (zero, positive, negative) such that a
minimum specially constructed utility function is realized that accounts
for deviationa from the nominal trajectory with respect to longitudinal
and lateral ranges and other parameters. The weighting coefficients for
individual parameters are selected on the baeis of expert eatimates.
References 5.
41
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Non-Nuclear Energy
USSR UDC 621.311.15~
~ G~NERALIZATION OF THE R~5ULTS OF STUDIES OF 300 MW GENE1tATORS Wl~EN THE LOAb
IS DROPPED COMPLETELY OR TO TNE LEVEL OF INTLRNAL NEEDS
MANEVRENNOST' MOSHCHNYKH T~PLOENERGETICHESKIKH BLOKOV. TRUDY VSESOYUZNOGO
TEpLOT~KHNICHESKOGO NAUCHNO-YSSLEDOVATEL'SKOGA INSTITUTE II~NI
DZE1tZHINSKOGO (ManeuverabiliCy of Powerful Therooal Power UniCs. Proceedings
of the Al1-Union ScienCific Research InatituCe of HeaC Engineering imeni
F, E. Dzerzhinskiy~ in Ruseian No 14~ 1978 pp 132-153
(~'rom ItE~ERATIVNYY zHURNAL, TURBOSTROYSNIY~ No 9~ 1978 AbstracC No 9.49.88]
IZI2AILEV, YU. L., LIVSHITS, M. A.~ PLOTKIN, YE. R. and SOZAYEV, A. S.
(TexC] The paper generalizes the resulCs of theoretical and experimental
research done by the All-Union Scientific Reaearch Institute of HeaC
Engineering imeni F. E. Dzerzhinakiy, ORGRES, the Central Boiler and Turbine
Inatitute and other organizationa. It has been eatabliahed that no-load
or internal-needs conditions can be maintained on 300 MW generators after
Che load ia dropped. Retention of the rated presaure of live ateam when the
load is dropped is fully admiasible with respect to reliability conditione,
and therefore the requirement of an obligatory pressure drop to 15.7 t~a _
_ (160 kgf/cm2) can be done away with. References 15.
USSR UDC 533.9
THE HYDRODYNAMIC EFFECT FOR A PLASMA IN A MAGNETIC FIELD
VESTNIK LENINGRADSKOGO GOSUDARSTVENNOGO UNIVERSITETA in Russian No 1, 1978
pp 103-1Ob
[From REFERATIVNYY ZHURNAL, I~KHADiIKA No 7, 1978 Abstract No 7B384 by the
author]
KAPITANOV, V. S.
[Textj The method of continuum integration is applied to a system of Fermi
particles with Coulomb interaction (a plasma) in a constant magnetic field.
Interaction is accounted for by introducing an additional Bose field. An
expression ia found for the "hydrodynamic action" functional by integration
with respect to "fast" Bose fields. A modified perturbation theory is con-
structed that is free of divergences at low momenta. Hydrodynamic action
is used to calculate damping of long-wave plasma oscillations with trans-
logarithmic accuracy for an electron-ion plasma.
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' U5SR UDC 533.9
RAl)IATION OF A LAY~R OI~' NONEQUILIBRIUM PLASMA
~IZIKA PLAZMY in Ruseian Vol 4~ No 2, 1978 pp 420-432
~From R~FERATIVNYY 2HURNAL, MEKHANIKA No 7,�1978 Abatrace No 7B39G by the
authorsj
ZAGORODNIY, A. G. and YAKIMENKO, I. P.
[TexeJ ~nergy relations are established for epontaneoua radiation of a
layer of plasma that ia in a eteady~ but thermodynamically nonequilibrium
state. An inveatigation ia made of the poasibility of inatabiliCy of quaei- -
_ atatic surface excitatione and an assoc~ated anomalous rise in the effective
temperatures of the quasietationary field of eponCaneoua emission. A
numerical analyais ia made of the frequency and angular distributions of
inteneity of spontaneous emieaion of a layer of nonieothermal electron-
ion plasma. It ie demonatrated that there are interference resonance~
associated with collective excitations in the body of the plaema.
References 20.
USSR UDC 533.9
INFLUENCE THAT THE POSITION OF THE BOUNDARY OF THE PLASMA OF THE REGION OF
NEUTRALIZATION OF AN ION BEAM HAS ON ITS DEFLECTION
FIZIKA PL.AZMY in Rusaian Vol 4, No 2, 1978 pp 371-371
[From REFERATIVNYY ZHURNAL,~ MEKHANIKA No 7~ 1978 Abatract No 7B4A0 by the
authors] - � '
LIKHTER, V. A. and SHUL'GIN, V. I.
[Text] The paper gives the results of a atudy of the deflection of an
ion beam by transverse displacement of an accelerating electrode for
different degrees of deceleration and poaitions of the plane of neutraliza-
tion. It is shown that when the plane of neutralization is very far from
the accelerating electrode and ~he degree of deceleration is low the
observed deflection of the ion beam agrees well with the resulta of calcu-
lation. At ehort distancea to the plane of neutralization and for high
degrees of deceleration appreciable beam deflection takes place beyond the
accelerating electrode and in thia case the experimental daCa agree with
the results of modeling. Masimum deflection of the ion beam reached 35�.
43
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USSR UDC 533.9
ONSET AND DLVELOPMENT OF IONIZATION TURBULENCE
TRUDY MOSKOVSKOGO ENERGETICHESKOGO YNS~ITUTA (Scientific Transactions of
Moacow 1'ower Engineering Inetitute] in Ruasian No 336, 1977 pp 26-32
_ (From REFERATIVNYY ZHURNAL, MEKHANIKA No 7~ 1978 Abatract No 78490 by
I. M. Rutkevich)
SINKEVICH, 0. A. and CHUKLOVA, V. T.
[Text~ A system of ordinary differential equations is derived for the
amplitudea of interacCing perturbations as an ionization inatability
develops. An examination ia made of a nonequili,brium plasma in a flat channel
with nonconductive walls, x~conat. The electric current flows perpendicu-
larly to the magnetic field directed along Che z-axis. The parameter of
supercriticality is taken as amall, and the Lyapunov-Shmidt method ia used
Co atudy wave interaction in Che transcriCical region. It is propoaed that
the resultant aystem of equationa be used to find the apectrum of ionization
turbulence. Figurea 7.
USSR UDC 533.95
SPECTRA OF CYCLOTRON WAVES IN A PLASMA CONTAINING TiJO KINDS OF IONS
FIZIKA PLAZMY in Russian Vol 4, No 2~ 1978 pp 394-398
[From REFERATIVNYY ~HURNAL, MEKHANIKA No 7, 1978 Abstract No 7B506 by
the authors]
KALADZE, T. D. and TSAMALASHVILI, L. V.
[Text] The paper gives the results of a numerical solution of the dis-
_ persion equation for ion cyclotron wavea propagating perpendicularly to a
magnetic field in a plasma containing ions of two kinds (deuterium+tritium)
for different values of the ratio of plasma pressure to magnetic field
pressure. References 17.
44
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USSR UDC 533.95
SPECT1tAL DENSTTI~S OF SPATIAL CORRELATION OI' CHARGE IN I'LANE LAYER OF'
TWO-TEI~ERATURE ELECTRON-ION PLASMA
FIZIICA PLAZMY in Russian Vol 4, No 2, 1978 pp 399-410
(From REFERATIVNYY ZHURNAL, I~KHANIKA No 7, 1978 Abatract No 7B507 by the
auChors]
POPOV, V. S. and YAKIMENKO, I. P. _
(TexC] Nn examination is made of electromagnetic fluctuations in an
electron-ion plasma bounded by two parallel planes on which the condiCion -
of mirror reflection of charged pareicles is satisfied. The boundary value
problem is solved for a fluctuaCion field in such a system, and correlation
functions are then consCrucCed for fluctuati.on deviations of the density of
electron and ion charges from the atatistically average values. An in-
vestigation is made of the special cases of an electron and a nonisothermal
electron-ion plasma. Principal emphasis is placed on regions of transparen-
cy of the plasma in which fluctuations take on a wave character and the
influence of the boundaries becomes appreciable throu~ghouC the volume of the
plasma. References 25.
USSR UDC 533.95 ~
ON THE ANGULAR ANISOTROPY OF ELECTROMAGNETIC ENERGY FLUX IN THE VICINITY OF
A PLASMA RESONANCE
Moscow VOLNOVYYE PROTSESSY V PRIZEMNOM PLAZME (Wave Processes in a Ground
Plasma] in Russian 1977 pp 135-140
[From REFERATIVNYY 2HURNAL, MEKHANIKA No 7, 1978 Abstract No 7B532 by the
author]
MOISEYEV, B. S.
[Text] An examination is made of the angular anisc~tropy of energy flux
propagating in a weakly nonhomogeneous medium in thE vicinity of a plasma -
, resonance. It is shown that far from resonance where absorption is low,
waveguiding alcng the resonant surface is posstble. On the other hand
in a small neighborhood where damping along the density gradient is high~
45
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the auChor considers radiation of a source (auch as a plasma inatability)
who;~e field is Che aurface wavea in thie region. An inveatigation is made
of Che mutual orientation of the vectors of phase velocity and energy flux
for theae waves, and it ia shown that under certain conditiona an inverae
electromagneCic wave may exiet cloae to plaema resonance. Referencea 6.
0
USSR UDC 536.24
SPACE RADIATION FROM A CONICAL CAVITY WITH UNSTEADY TEMPERATURE FIELD
KOSMICHESKIYE ISSLEDOVANIYA NA UKRAINE. RESPUBLIKANSKIY ME2HVED4MSTVENNYY
SBORNIK [Space Research in the Ukraine. Republic InterdeparCmental
Collection] in Russian No 11, 1977 pp 31-34
[From REFERATIVNYY ZHURNAL, MEKHANIKA No 1, 1978 Abatract No 7B566 by
the authora]
DOROSHKEVICH, V. K. and MOSHNENKO, YU. I.
[Text] An examination is made of the process of heat transfer by radiation
from the surface of a cavity formed by a shell with unsteady temperature
field. Relations are found for determining the heat transfer from the
cavity and the unsteady temperature fields along the she11. The system of
equations is solved by a numerical method. The results of the calculation -
are compared with experimental data.
46
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Nuclear Energy
USSR UDC 533.9
INFI~UENCE THAT THE MAGNETIC CONFIGURATION OF A POLOIDAL DIVERTER HAS ON A
PLASMA DISCHARGE IN A T-12 TEA-RING TOKAMAK
FIZIKA PLAZMY in Ruasian Vol 4, No 2, 1978 pp 261-268
[From REFERA.TIVNYY ZHURNAL, MEKHANIKA No 7, 1978 Abstract No 7B461 by the
authorsJ
BORTNIKOV, A. V., BREVNOV, N. N., GASS, V., GERASIMOV, S. N. ZHUKOVSKIY,
V. G., KUZNETSOV~ N. V., PERGAMENT, V. I., ICHATCHINSON, D. and KHIMCHENKO,
L. N.
[Text] The paper gives the results of an experiment on the T-12 tea-ring
- tokamak with Cwo poloidal diverters. The purpoae of the reaearch was to
determine the influence that the magnetic configuraCion of the poloidal
diverCer has on the physical parameters of the plasma discharge, magneto- -
hydrodynamic stability and stability with respect to the vertical. It is
shown that Che configuration of the poloidal diverter has a beneficial
effecti on plasma parameters, and has practically no influence on the mag-
netohydrodynamic processes inaide Che plasma discharge (an the development
of perturbaCions with m= 2 and interruption of current.
USSR UDC 533.9
STRUCT'JRE OF PERTURBATIONS OF THE MAGNETIC FIELD IN DEVELOPMENT OF UNSTABLE
COLLAPSE IN THE TOKAMAK-6 FACILITY
FIZIKA PLAZMY in Russian Vol 4, No 2, 1978 pp 275-296
[From REFERATIVNYY ZHURNAL, MEKHANIKA No 7, 1978 Abstract No 7B462 by the
author) -
MEREZHKIN, V. G.
_ [Text] An investigation is made of the structure and dynamics of poloidal
field perturbations in development of collapse instability on the toksmak-6
facility. An analysis is made of the behavior of the symmetric and dipole
components of the field and the particulars of the structure of helical
perturbationa in minor and major collapses. It is shown that a decisive
role is played by helical perturbations with m= 2 in the initial phase of _
47
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development of theae collapaes. It is observed that the structure of
helical perturbaCion~ is invariable in minor collapaes, and thaC the re-
atruceuring of theae perturbationa ie discrete in nature in ma~or collapaes.
A xelaCion is found betwe~n the symme~ric and helical comp~nente of perturba-
tiona of the poloidal field on the leading sdge of the rise in perturbations.
Data are give~t on increments, scalea and atructure of helical perturbations,
the relationa between the symmetric and helical componenCa of field per-
turbaCions, and the magnitude of energy losaea of plasma in typical collapses.
Referenc~s 8.
48
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Turbine and Engine Deaign
US5R UDC 629.7.036.03
ELECTRONIC SIMULATION OF STARTUP OF A TURB4JET AIRCRAFT ENGINE WITH
ELASTICITY OF THE COMPONENTS TAKEN INTO ACCOUNT
Moacqw VOPROSY TEORII I RASCHETA RABOCHIKIi PROTESSOV TEPLOVYKH DWIGATELEY
[Problema in Theory and Design of Working Procesaes for Heat Enginea] in
R~isaian, No 1, 1977 pp 153-156
[From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI, No 9,
- Sep 78 AbeCract No 9.34.66]
MAN2IY, V. S. and PANCHISHIN, V. I.
[Text] A syatem of computer equations is aet up which correapond to earlier
derived differential equations describing the 3tartup of a turbo~et engine
. and which take into account the elaeticity of the tranemiasion components.
A achematic block diagram of thie electronic model ia constructed with
elementa of an MN-14 nonlinear analog computer. Figures 2; references 3.
USSR UDC 621.438.001.5
TEST RESULTS PERTAINING TO A SINGLE-STAGE AIR TURBINE DURING BRAKING
. Moecow VYSOKOTEI~ERATURNYY~ OKHLAZHDAYEMYYE GAZOVYYE TURBINY~DVIGATELEY
LETATEL'NYKH APPARATOV [Cooled High-Temperature Gas Turbines for Aircraft
Engin~sJ in Rusaian, No 2, 1977 pp 89-96
[From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI, No 9,
Sep 78 Abstract No 9.34.46]
- VAVILOV, G. A., KAZAKOV, V. B., MAKSUTOVA, M. K. and TKACHENKO, N. S.
[Text] Test results are presented pertaining to a single-atage air turbine
during braking. The working process in the flow channel was examined during
braking at various rates of air flow through the turbine. Recommendations
are made on how to determine the braking torque developed by a turbine during
reverse rotation of the runner. Figures 5; referencea 3.
49
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USSR UDC 621.438-1$1.4+629.7'.036-18Y.4 _
AVERAGING A NONUNIFORM FLOW IN GAS TURBINES AND NOZZLES
Moscow VYSOKOTEMPERATUItNYYE OICHLAZHDAYEMYYE GAZOVYYE TURBINY DVIGATELEY
LETATEL'NYKH APPARATOV [Cooled High-Temperatur~ Gas Turbines for Aircraft
- Engines] in Ruaeian, No 2, 1977 pp 58-67
NATALEVICH, A. S. '
_ [From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI, No 9,
Sep 78 Abatract No 9.34.45] _
[Text] A method ie considered of averaging a nonuniform flow under a
constant atatic presaure and at a constant stagnation temperature, as through
the exit sections of turbine and nozzle arrays. Unlike in the well known
method according to L. I. Sedov, where the average flow is regarded as
equivalent to a given noauniform flow on the basis of three parametera only,
here the condition T*~const ia assumed and two avexage flowa are constructed
which together ensure equivalence to a given nonuniform flow also with respect
to two additional parameters. References 8.
USSR ~ ~ UDC 621.438:536.24 `
INVESTIGAT'ION OF THE TOLERANCE LIMITS ON THE DIMENSIONS OF INTERNAL PASSAGES
DESIGNED ~'OR JET COOLING OF A MODEL SIMULATING THE INLET EDGE OF A DEFLECTOR
VANE .
Moscow TF,UDY VTOROY NAUCHNO-TEKHNICHESKOY KONFERENTSII MOLODYKH UCHENYKH I
. SPETSIALISTOV [Proceedings of the Second Scientific and Technical Conference
of Young Scientists and Specialiats] in Ruesian, Moscow Aviation Technologi-
cal Institute, 1978 pp 245-254 (manuscript deposiCed in the State Scientific
Research I~atitute of Scientific and Technical Information 12 Jun 78, No 6-18)
[From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI, No 9,
Sep 78 Abstract No 9.34.47 DEP]
GALKIN, M. N., BOYKO, A. N., KHARIN, A. A. and SHEVCHENKO, I. V. _
[Textj The atudy was made by an adapted method of local calorimetry, with
the cooled model inside a liquid-metal thermostat. It has been found that,
at certain combinations of wall-to-deflector clearance and diameter of de-
flector holes, the tolerances on the passage dimensions can be widened without
50
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a 1o~e in cooling effeceiv~n~ss~ nevigCion Colerancee have been tabulated
�or varioue combination~ of nomingl dimension~ eo that the laCter c~n b~
opeimized not only with reepect Co maximum cooling effecCiveriees but also
from the standpaint of manufa~turgbiliCy of the cooling syeCem structure.
USSR UDC 629.7,036.3-~11
DEVELOPMENT OF A METHOD OF ESTABLISHING 'I'N~ TOLERANCES ON TH~ D1I~NSIONS OP
INTERNAL PASSAGES IiETWELN TURBINE BLADES
Moacow TRUDY VTOROY NAUCHNO-TF.KHNICHESKOY KONFERENT5II 1~lOLODYKH UCH~NYKH I
SPECIALISTOV [Proceedinga of Cha Second Scientific and Technical Conferenca
of Young Scientists and Speci~listaj in Ruggian~ Moscow Aviation Technologi-
cal InstiCute~ 1978 Fp 238-244 (manuecript deposiCed in the State Scientific
Reeearch Inetitute of Scientific and Technical Information 12 Jun 78, No
6-78)
(From REFERATIVNYY 2HURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELT~ No 9,
Sep 78 Abatract No 9.34.48 DEP]
GALKIN, M. N., BOYKO~ A. N. and KHARIIv~ A. A. '
[Text] The gist of Che proposed method is c,: followe. The effect of a
design dimension di characteriziag a blade cooling system on the local
coefficiente otA of heat transfer to air is determ~.ned~ in terms of an
influence function. at a given operating drop of air presaure ~ along a blade
by local calorimetry inaide a liquid-metal thermostat Then the range of
permiasible deviations d~oCA of the heat transfer coefficiente due to
. variatione in the design dimenaion di is determined from the deviation of ~
wall temperature 4 TW . The tolerance limita on the particular design
dimension di are now defined to correspond to the given range of oC,~
variations on the basis of the influence function etp e f(di71). A
graphical version of ~~+.a method ie also proposed and theoretical relatione
are derived for proceaeing the resulta of original measurements.
51
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- U55~t UDC 629.).03:621.438 _
CALCULATION OF THE T~MPEItATURE FI~LD OF SOLIb $LADE3 IN A TURBINE UNDER
STEADY CONDITIONS WITH PAftTIAL COOLING AT TH~IR ROOTS
Moecow VYSUKOTEMPERATURNYYE OKHLAZHDAYEMYY~ GAZOVYYE TURBINY DVIGATELEY
_ L~TATEL'NYKH ApPARATOV (Cooled High-Temperature Gae Turbines for Aircraft
Engin~s) in Rusaian~ No 2, 1978 pp 12-18
(~rom REFLRATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI~ No 9~
_ Sep 78 Abatract No 9.34.38]
_ LOKAY, V. I.~ TKACHENKO, N. S. and ABDRAICHMANOV, SH.SH.
_ (Textj A sysCem ia deacribed for partial cooling of active turbine
blades et their roots. MeChode of salculaeing Che temperature field of `
a solid Curbine blade with such cooling are shown and results of these
calculatione are presented. Figures 5; referencea 2.
- USSR UGC 621.438:536.24
GENERALIZATION OF TEST DATA ON HEAT TRANSFER IN WORKING RUNNERS OF RADIAL-
AXIAL TURBINES
Moscow VYSOKOTEMPERATURNYYE OKHLAZHDAYEMYYE GAZOVYYE TURBINY DVIGATELEY
LETATEL'NYKH APPARATOV [Cooled High-Temperature Gae Turbines fir Aircraft
EnginesJ in Ruasian, No 2~ 1977 pp 36-43
(From REFERATIVNYY ZHURNAL 34. AVIATSIONNYYE I RAKETNYYE DVIGATELI, No 9~
Sep 78 Abatract No 9.34.37]
BODUNOV, M. N.~ CHUGUNOV, YU. N. and FAKHRUTDINOy~ R. D.
(Text] Body forces are examined which act on a gas stream in the rotating
intervane passagea of radial-axial turbine runnera. By analysis of the
eq4ations of eteady-state motion and in accordance with acaling theory,
additional dimenaionlesa numbera are obtained repreaenting the effect of
centrifugal~ lift and Coriolia body forcea on the heat tranafer. Figures
1; references 14.
52
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USSR UDC 621.438
OPTIMUM PARAMLTERS OF THE RUNN~R TN A 1tADIAL-AXIAL TURBINE STAGE
TRUDY NIKOLAY~VSKOGO KORABLESTROITEL'NOGO INSTITUTA IMENI AKADEMIKA S. 0.
MAKAttOVA (Proceedings of Nikolgyev Shipbuilding Inetitute imeni Academician
3. 0. Makarov] in Rusaian Na 132, 1978 pp 52-57
[From REFERATIVNYY 2HURNAY., TURBOSTROYENIYE No.9, 1978 AbetracC No 9.G9.21]
LEVENBERG, V. D. and BORISENKO~ V. D.
~Text] The article givea the reaulta of solution of Che problem of optimiaing
the geometric parametera that determine the ahape of the flow section of the
runner in a radial-axial centripetal eurbine, and analyxe the flow of a
three-dimeneional stream in a etage of optimum geometry. Figurea 5,
references 4.
USSR UDC 621.438+621.165:536.2
ON THE PROBLEM OF CHOOSING THE PARAMETERS OF A MARINE STEAM-GAS TURBINE
POWER PLANT WITH INTERMEDIATE GAS HEATING
TRUDY NIKOLAYEVSKOGO KORABLESTROITEL'NOGO INSTITUTA II~NI AKADEMIKA S. 0.
MAKARUVA [Proceedings of Nikolayev Shipbuilding Inatitute imeni Academician
S. 0. Makarov] in Ruasian No 132, 1978 pp 15-19
[From REFERATIVNYY ZHURNAL, TURBOSTROYENIYE, No 9, 1978 Abstract No 9.49.15j
VASHCHILENKO, N. V. and GENBOM, V. A.
_ [Text] The paper gives the results of a thermodynamic analysis of a marine
steam-gas power plant with intermediate gas heating. The authore ~uatify
the feasibility of locating the combustion chamber for intermediate gas
heating between the gas generator and the turbine acrew of the gas-turbine
_ engine. Recommendations are made on choosing the msin parametera of
the cycle of the installation. Figures 4, table 1.
53
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EQUIPMEN'r
rnduetrial
USSIt UDC 531.787
AN INSTALLATION WITH A HIGH-SPEED VA2.VE FOR RLPRODUCTYON OF PRES5URE PULSES
IN A FLUID
TRUDY METROLOGY~HESKIHK INSTITUTOV SSSR. VSLSOYUZNYY Nt?UCHNO-ISSLEDOVATEL'SKIY
INSTITUT METROLOGICHESKOY SLUZHBY [Proceedinga of MeCrological Inetitutes
of Che USSR. All-Union Scientific Reaearch institutie of the Metrological
Service] in Ruasian 1978 No 223/283 pp 70-79 _
- (From REFERATIVNYY 2HURNAL~ METROLOGIYA I IZMERITEL'NAYA TEItHNIKA No 9,
1978, Abetract No 9.32.681]
DUNAYEVA~ A. and PLbTNIKOV, I. V.
[Text] A deacription and results of experimental teating are preaented
for an installation conCaining a high-epeed valve~ which can reproduce
_ presaure atepa in a fluid of from 155 to 6.10~ Pa with a riee time to the
peak presaure of a.3 ms and a duration of settling of the tranaient preseure
of 7-10 ms. An estimate ie preaeated of the error in reproduction of
preasure. Figures 2.
54
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Meaeuring, Teeting
USSR UDC 621.383
" MEA5URING DEVICES FOR THE STUDY OF THE CONVERSION FACTOR OF PHOTOELECTRIC
" MEASURING CONVEItTERS AND THE LYNEARITY OF THE CONVER3ION CHARACTERISTIC
IN TH~ DYNAMIC OPE1tATING MODE
IMPUL'S NAYA FOTOMETRIYA [Pulse PhotometryJ in Ruseian 1978, No 5, pp 99-102
(From REFE1tATIVNYY ZHURNAL METROLOGIYA I IZI~RITEL'NAYA No 9~ 1978~
Abstract No 9.32.1473J
CHERNOYARSKIYY~ A. A. and YAKOVLEV~ V. A.
(Texr] Meaeuring inatallarione have been developed for metrologic atudy
of photoelectric measuring tranaducera in the pulae mode of operation in
the apecCral range of 0.5-1.6 }im. Figuree 2~ References 3.
USSR 681.787.6:621.375.826
- MULTIPLE-BEAM SCANNING FABRY-PEROT INTERFEROI~TERS WITH VARIABLE BASE
TRUDY METROLOGICHESKIKH INSTITUTOV SSSR. VSESOYUZNYY NAUCHNO-ISSLEDOVATEL'SKIY
INSTITUT METROLOGII (Proceedinga of Metrological Institutes of the USSR.
All-Union Scientific Research Inatitute of Metrology] in Russian No 220/280~
1917 pp 26-32 ~ -
(From REFERATIVNYY ZHURtJAL, I~TROLOGIYA I IZI~RITEL'NAYA TEKHr1IKA No 9,
1978, Abetract No 9.32.1391]
BOBRIK, V. I., KOLINKO, N. B.~ MZHEL'SKIY~ A. A. and SADOVSKAYA, E. N.
[Text] A report ia presented on the development and atudy of two ecanning
Fabry-Periot interferometers with variable base, used to measure laser
wave lengtha. In one design, one of the mirrors is moved with respect to
the other on a guide. The maximum posaible movement is 100 mm. In the
other deaign~ quartz dividere are inatalled between the mirrora, allowing the
distance to be varied from 1 to 300 mm. Figures 4, References 6.
55
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J ~oR o~FicYnz us~ o~n.Y
~
USSR UDC 621.383.52
PROBLEMS OF EVALUATING THE OPERATION OF'PULSEr MATRIX PHOTOSENSORS
IMPUL'S NAYA FOTOMETRIYA (Pulee Photometryj in Rueaian 1978, No 5, pp 173-175
(From REFERATIVNYY 2HURNAL, I~TROLOGIYA I IZMERITEL'NAYA TEKHNIKA No 9,
197'8, Abatract No 9.32.1345J
BU2ANOVA, L. K.~ GLIBERMAN A. YA., GRACHEVA~ N. M., MOLODYK, A. M. and
YAKOVLEV, I. M.
(TexC~ The baeic parametera and characterietics of several typea of
ailicon pulsed matrix photoseneore with high senaitivity in the shortwave
area of Che epectrum at 0.4-0.6 ism are etudied. The photoaensora allow a
reverse bias of up to 100 V and have low values of RC parameters. Figurea
2, References 4.
USSR UDC 681.7.069.3
A PYROELECTRIC PULSE RADIATIOH RECEIVER BASED ON A COP4tERCIAL PIEZOCERAMIC
IMPUL'S NAYA FOTOMETRIYA [Pulse Photometty~j in Russian 1978, No 5, pp 110-113 -
[From REFERATIVNYY ZHURNAL METAOLOGIYA I IZI~RITEL'NAYA TEKHNIKA No 9, 1918,
Abatract No 9.32.1343~
GUZHVA~ V. G. and KUZ'MICHEV, V. M.
(Text) Information is presented on the deaign and characteristics of a
pyroelectric radiation receiver, auitable for detection of pulses of radia-
tion in the optical, infrared and submillimeter wafe length bands. The
transmitCed band width of the matching stage i3 50 ~ia, the senaitivity of
the receiver is 5 V.MW"1 with an electric time conatant of S na. Fi~urec? 2~
Referencea 2.
56
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FOR OFFYCIAL USE ONLY
~ USSR UDC 681.7.069.3
A PYROELECTRIC PULSE RADIATION RECEIVER BASED ON A COP4~RCIAL PIEZOCERAMIC
TMPUL'S NAYA FOTOMETRIYA [Pulse Photometry] in Ruasian 1978, No 5, pp 110-113
(From REFERATIVNYY ZHURNAL, METROLOGIYA I IZMERITEL'NAYA TEKHNIKA No 9,
1978, Abatract No 9.32.1343]
GUZHVA, V. G. and KUZ'MICHEV~ V. M.
[Text] InformaCion ie presented on the design and characteristice of a
pyroelecCric radiation receiver, suitable for detection of pulses of radia-
tion in the optical~ infrared and aubmillime~er wave lengCh bands. The
tranamiCted band width of the matching e~age ia 50 1~4iZ, the aenaiCivity of
the receiver is 5 V.MW'~ with an electric time constant of 5 ns. Figurea
2, Ref erences 2.
USSR UDC 681.7.069.225
A HIGH-POWER PHOTOLYTIC SOURCE OF ULTRAVIOLET RADIATION IN TIiE MICROSECOND
RANGE
IMPUL'S NAYA FOTOMETRIYA [Pulae Photometry] in Russian 1978, No 5, pp 169-172
. [From REFERATIVNYY, METROLOGIYA.I IZI~RITEL'NAYA TEKHNIKA No 9, 1978,
Abatract No 9.32.1330]
BELOGOLOVTSEV, G. I. and LYANNOY, N. N.
[Text] A light source for flash photolysis, based on a z-pinch, is
described. Ita basic parametera are: length of light pulse 2.5 ps;
energy radiated in a pulse in the 230-400 nm wave length band - 250 J; the
lamp is filled with argon at 130 N/m2; the operating voltage is 30 kV. The
radiated energy ia measured with an IMO-w calorimeter. Figures 2,
~ References 6.
57
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- USSR 621.383.537.533.8
MILLISECOND AND MICROSECOND DURATTON FLASH COt~ARISON
- IMPUL'S NAYA TrOTOMETRIYA [Pulse Photometry~.in Ruasian 1978~ No 5, pp 161-164
[From REFERATIVNYY ZHURNAL~ METROLOGIYA I IZMERITEL'NAYA TEKNIKA No 9, 1978,
AbstracC No 9.32.1328]
NOVIKOVA, G. M.~ IGNAT'YEV, V. G. and KHAUSTOVA, V. P.
[Text] The GSSI-1 and GSSI-2 atable light flash generators have been de-
veloped to be uaed with flash photomeCera. The ratiation sourcea in rhe
generaeora are IFK-150 and IPO-75 flash lampa. The light flashes produced
are 4.5 ms, 200 and 20 pe in length, trapezoidal in ahape. Table 1,
Figurea 2, Referencea 5.
USSR UDC 681.184.4.089.6
INSTALLATION FOR DEPARTMENTAL TESTING OF FLASH PHOTOMETERS AND ITS PHOTO-
SENSING DEVICE
_ IMPUL'S NAYA FOTOI~TRIYA [Pulae Photometry] in Ruasian 1978, No 5, pp 67-72
[From REFERATIVNYY ZHURNAL, METROLOGIYA I IZMERITEL'NAYA TFKfIIJIKA No 9,
1978, Abstract No 9.32.1315] _
IGNAT'YEV, V. G., GONCHUKOVA, N. I., NOVIKOVA, G. M., TROFIMOVA, G. V.
and IL'CHENKO, 0. V.
[Text] The inatallation includea light-measuring incandescent lamps,
flash comparison sources~ a photosensing device and recording instruments.
Ad~ustment of the photoaenaing device, constructed on the basis of the
ISP-51 apectrograph, is performed by means of a spectral mask, which in-
cludes a fiber-optics collector. The inatallation can be used to check
photometere with primary error of over lOX. Table l, Figures 2, References
2.
58
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~
USSR UDC 681.2:531.756
, DEVELOPMENT AND INTRODUCTION OF THE PR-1024 and PR-1025 GAMMA-flBSORPTION
DENSITOMETERS
Kiev RADIOIZOTOPN NAYA TEKHN IKA [RadioieoCope Equipment] in Ruesian,
1977~ pp 88-90
_ [From REFERATIVNYY 2HURNAL, METROLOGIYA I IZMERITEL'NAYA TEKNIKA No 9, 1978,
_ Abstract No 9.32.1181]
BETIN, YU. P., BERKHOVSKIY, V. I. and KOTIK~ U. I...
[TexC] The PR-1024 inetrwnent is produced in two versiona, the normal and -
explosion-safe models. Both models are designed to teaC the denaity of .
solutione and alurries with deneities of up to 3.0 g/cm3 in pipes from
100 to 300 mm in diameCer. The PR-1025 is deaigned both for testing of the
denaity of aolutiona and slurriea, and fox combined operation with other
instruments (conductometers, flow-raCe meCers, concentration meCers and
analyzers) to teat the content of solid phase in slurries, to check the
. compoaition of binary, trinary and more complex producta uaed in non-
ferrous and ferrous metallurgy procesaing, in the chemical industry and other
branches of industry.
USSR UDC 539 89
APPARATUS FOR STUDY OF MATERIALS IN A BROAD RANGE OF GAS PRESSURES UP TO
30 KBAR AT TEMPERATURES UP TO 2000�C
Tallin FIZ, ICHESKIYE ISSLED OVANIYA PRI VYSOK IKH DAVLENIYAKH [Phyaical
_ Research at High Pressurea] in Ruasian Part 1, 1977, pp 22-33
[From REFERATIVNYY ZHURNAL, METROLOGIYA I IZMERITEL'NAYA TEKHNIKA No 9,
1978, Abstract No 9.32.1153]
BONDARENKO, M. D.
[Text] A universal apparatus has been developed for the study o� phase
transitions by thermal analysis and the method of conductivity, for the
synthesis of new materials, as well as the study of inelting, the electrical,
physical-mechanical and other propertiea of materials over a broad range of
gas pressures of up to 30 kbar at temperatures from room temperature to
59
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2000�C. The apparatus coneista of a two-stage gas-pr~asure aource, a teat
chamber, a preseure multiplier with a del~.very chamber and a conCrol panel.
~ The first etage of the pressure eource ie a diaphragin-type aeparator which
compresses the gas to 2 kbar. In the second stage, a multiple-pase multiplier,
the gae 3s furCher compressed to lk kbar. In the third etage, the gas is
compresaed further by a multiplier to the final aesigned presaure~ at the
asaigned test temperaCure. The Cest chamber is equipped with a aet of
cells for various typea of inveat3gationa. Figurea 9, Referencea 15.
USSR UDC 551.508.7
NEUTRON TESTING OF THE MOISTURE CONTENT OF ABESTOS-CEMENT PIPES
IZOTOPY V SSSR. NAUCH NO-TEKHN IC1iESKIY I PROIZV ODSTVENNYY S BORNIK
[Isotopes in the USSR. Scientific-Technical and Production Collection] ~
in Rusaian 1978, 51, pp 27-31
[From REFERATIVNYY ZHURNAL, METROLOGIYA I IZMERITEL'NAYA TF.KHNIKA No 9,
1978, Abatract No 9.32.1143J
KAT3MAN, YU. A.~ KUCHER, SH. A., ~EKARSKIY, G. SH. and CHISLOV, N. N.
[Text] The use of ordinary moisture-content meters Co test the moisture
content of asbeatos-cement~~ipe is difficult for aeveral reaeone. Based
on studies performed, s laboratory model moisture meter is developed in
the range of moisture contents of 10-30x, with an error of + 1X and a
measurement time of 15-20 s. Figures 4, Refereaces 3. -
60
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~o~ o~riczn~, us~ ornY
USSR UDC 543,426
THE USE OF A TARGET CONVERTER TO SEPARATE THE ANALYTIC LINE FROM THE
SECONDARY SPECTRUM DURING X-RAY RADIOMETRIC FLUORESCENT ANALYSIS
APPARATURA I METODY TENTGENOVSKOGO ANALTZA [Equipment and Methode of
X-Ray Analysis] in Russian
~From REFEt2ATIVNYY 2HURNAL METROLOGIYA I IZMERITEL'NAYA TEK~INIKA No 9,
" 1978, Abstract No 9.32.1097J ~
BETIN, YU. P., VERKHOVSKIY, B. I.~ ZHABIN, YE. G. and KRA~IT~ I. A.
[Text] The influence that the surface denaity of a converter target and the
primary radiation energy have on the signal/noise raCio is studied for the
process of X-ray radiometric fluorescent analysis with radio isoCope ex-
citation. ResulCs are presented from an experimental check of the theoreti-
cal assumptions used in separation of Che lines of Ni Kd g(against
the background of Fe K(~ ) and Pb Lp~g (against the background of Zn KQ(,(3)
- using 1~9Cd as a source and a type SI-6R proportional counter. It is shown
that the effectiveness of recording of secondary radiation varies with
elements with different values of Z when excited by 109Cd for iron and zinc
converter targets. Figures 5, References 9.
USSR 535.853.22
THE HIGH-RESOLUTION INFRARED MEASUREMENT SYSTEI~t OF THE INSTITUTE OF
SPECTROSCOPY, USSR ACADEMY OF SCIENCES
Moscow MATERIALY SOVETSKO-FRANTSUZSKOGO SIMPOSIUMA PO OPTIKOSPEKTRAL'NYM
PRIBORAM I PRIBORAM DLXA OBRABOTKI IZOBRAZHENIY, MOSKVA, SENT., 1976
[Materials of Soviet-French Symposium on Optical-Spectral Instruments and
Instruments for Image Procesaing, Moscow, September, 1976 in Russian 1977,
- pp 8-11]
~ [From REFERATIVNYY ZHURNAL, METROLOGIYA I IZMERITEL'NAYA TEKHNIKA in
Russian, No 9, 1978, Abstract No 9.32.1076]
BOGDANSKIS, N. I., BUKREYEV, V. S. and ZHIZHIN, G. N.
[TextJ The Institute of Spectroscopy, Academy of Sciences, USSR is in the
process of creating a spectral measurement system for the IR band, wave
61
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lengths 0,1-100 pm, wiCh a reeolutiion of 0.01 cm'L. This meaeuremen~ sysrem ~
ie intended �or the atudy of the fine etructure of the vibrational and
rotational bands of absorp~ion of moleculea of the gae phase and electron
spectra of extrinaic cryaCals at 1ow temperaturea. Reference 1.
USSR UDC 621.398
THE UVTS-30)MULTICHANNEL DEVICE FOR COLLECTION, PROCESSING AND RECORDING OF
STANDARDIZED ANALOG SIGNALS
TRUDY SOYUZNOGO NAUCHNO-ISSLEDOVATEL'SKOGO INSTITUTA PRIBOROSTROYENIYA
[Proceedinge of the Union ScienCific Reaearch InatiCuCe of Inatrument
Making] in Russian 1918, No 36, pp 103-108
[From REFERATIVNYY ZHURNAL, METROLOGIYA I IZMERITEL'NAYA TEKHNIKA No 9, ~
1978, Abstract No 9,32.84]
VOROB'YEV, D. M., GUDKOV, V. I., DUMA, V. R., LEVIN, G. L. and FILATOV, V. P.
[Text] The UVTS-30 device can receiu~ 256 analog signals in the + 5 V
range, measure them, convert and record them.in digital form. The program
under which the device functione is recorded in a read-only memory and
can be changed, depending on the task to be performed. The UVTS-30 can be
uaed as a part of multichannel measurement syatems (VRK, ICGO, KRB, etc.).
62
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USSR UUC 543.544 -
A CHROMATOGRAPH FOR ANALYSIS OF LOWER FATTY ACIDS CONTAINED IN SILAG~ AND
HAY F~ED ~
NAUCHYYE PRIBORY in Russian 1978~ No 15~ pp 3-10
(From It~F~RATZVNYY ZHU1tNAL, METROLOGIYA I I2MERITEL'NAYA TEKHNIKA No 9,
- 1978~ Abetract No 9.32.1058]
BRAZHNIKOV, V. V., SAPUNOV, YU. A., P02HARSKIY, V. K., KURTSMAN, M. A., -
ROMANOV~ V. I. and BARANOV, P. YA.
[Text] A laboratory chromaCograph is developed~ intended for automaCed
analysis of lower fatty acide in silage and hay feeda; this ie one of the
firat chromatographic inatrumenCe which is apecially designed for
- agriculeure. For the firat time in Soviet gas chromatographe, a device -
ia included for automatic in~ection of 1lquid specimena. Figures 5,
Tablea 2, Referencea 6.
USSR UDC 531.789.1:681.26
A NON-CONTACT TORQUE TRANSDUCERS WITH FREQUENCY OUTPUT
Moscow SOVREI~NNYYE PROBL~MY RAZVITIYA ISPYTATEL'NYKH MASHIN, VESODOZI-
ROVOCHNOY I SILOIZMERITEL'NOY TEKffidIKI (Current Problems of the Development
of Testing, Weighing and Force-Measuring Equipment] in Rusaian ,1978 pp 145-
149
~From REFERATIVNYY ZHURNAL I~TROLOGIYA I IZMERITEL'NA~A TEKHNIKA No 9, 1978,
Abstract No 9.32.516]
- YERUSLANOVA, 0. M., PARF~NOV, M. M., PLISKIN, YU. S. and RYTOV, YE. N.
[Text] A study is made of poasible veraions of noncontact transmission of
aignals during measurement of torque, and a design is suggested by the
authors for transformer-type current tapa which, in contrast to known
models, allows the achievement of good electrical characteristice with a
comparatively airaple configuration of the tranaducer with air gaps between
the moving and ~.~onmoving parts of the U-ahaped magnetic circuit on the
order of 1.5-2 mm, significantly aimplifyiag the manufacture of the
component parta and assembly of the entire transducer. Figures 3,
Referencea 3.
63
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_ USSR UDC 531.781.087.92
= BASIC MODELS OF STRAIN-GAGE FORCE SENSORS FOR THE CONSTRUCTION OF 5TRUC- '
TURALLY STANDARDIZED PARAMETRIC SERIES
Moacow SOVREMENNYYE PROBLEMY RA2VITIYA ISPYTATEL'NYKH MASHIN, VESODOZIROVOCHNOY
_ I SILOIZMERITEL'NOY TEKHNIKI~ [Current Problems of Che Development of
Testing, Weighing and Force-Measuring Equipment] in Russian 1978, pp
96-102
[From REFERATIVNYY ZHURNAL METROLOGIXA I IZMERITEL'NAYA TEKHNIKA, No 9,
1978, Abatract No 9.32.471j
GODZIKOVSKIY~ V. A., LIFANOV, I. I., SANTO, V. R. and SHKVARIKO~, YE. V.
. [Text] Strain-gage force aenaors have been developed and are being put in
aeriea production. The characteristics of theae aensors satiafy the
requirements placed on basic models intended for conatruction of strucCural-
ly ~tandardized seriea for nominal loada of 200-200,000 kgf in combined
systems. Figures 2, Table 1; References 4.
64
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Non-Nucl~gr Ener$y
US3R UDC 629,7.035.3
FEASIBILITY OF' USING AN AI-20 TURBOPROp ENGINE A3 A HEAT GENLRATOR
Moecow VOPROSY TEORII I RASCHETA RABOCHIKH PROTSLSSOV TEPLOVYKt~ DVIGATLLEY
(Probleme in Theory and Design of Working Processea for HeaC Enginea] in
Ruseian~ No 1, 1977 pp 133-L36 -
(From REF'ERATIVNYY ZHURNAL 34. AVIAT5IONNYYE I RAKETNYYE DYIGATELY~ No 9~
Sep 78 AbatracC No 9.34,69J
TALANTOV~ A. V.~ DYATLOV, I. N., KRAVTSOV, YA~ I.~ BUI.AVKIN, A. A., SNUKIN~ _
V. A., MINGAZOV, B. G. and IC~~INKIN, G. S.
- [TexC] Undpr conaideraCion are probleme in uaing an AI-20 turboprop
engine~ after its f11ghC capability has been exhausted, as a heat
generating plant. Ad~uatmenCa in the automatic control ayatem are shown re-
quired for operating euch an engine without the propeller as a heat �
generator. Problems of increasing the heat output of such a plant by in-
atalling an aftzrburner chamber are also diacuased. Experimental data are
presented pertaining to cutoff and completion characteristica ot a model .
afterburner chamber. Figurea 2; referencea 1.
USSR UDC 621.438:622.691.5:621.51(088.825;
A UNIT FOR TRANSFER PITI~ING NATURAL GAS
USSR Author's Certificate No 565120~ filed 11 Nov 73, published 10 Aug 77
(From REFERATIVNYY ZHURNAL~ Tt1RBOSTROYENIYE No 9, 1918 Abstract No 9.49.135 P]
KUZNETSOV, YE. F., SUDAREV, A. V. and SHAKHNOVICH, I. YE.
(Text] A unit is proposed for pumping natural gas that containa a gas
blower with gas takeoff line, a gas-turbine blower drive with combustion
- chamber, and a lubricating syatem with heat exchanger for cooling the oil.
As a distinguishing feature of the patent~ efficiency is improved and -
provisions are made for self-conte~ined operation on natural gas. A -
Ranque-effect swirler ia connected in the gas takeoff line with the cold
pipe connected to the heat exchanger and the hot pipe connected to the _
combustion chamber. Figure 1.
65
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- Turbine and Engine Design ~
USSR 'UDC 621.165-531(088.825)
A HYDItAULIC STEAM-TURBINE RLGULATION SXSTEM
USSR Aurhor's Certificate No 568729, filed 26 Jul 74, publiehed 15 Dec 77
(From REFERATIVNYY ZHURNAL, TURBOSTROYENIYE No 9, 1978 Abatract No 9.49.92 P~
LYSKO, V. V., LEZMAN~ V. I.~ BEL'FERMAN~ M. D, and VOLYNSKIY, M. M., All-
1Jnion Scientific Reaearch Inetitute of Heat Engineering
(Textj A hydraulic eyetem for eteam turbine regulation is proposed that
containe an rpm senaor coupled through an amplifier and a regulator to a "
_ slide valve thaC ia connected to the working cavity of a one-way aervomotor.
The syaCem also containy a control mechaniam. As a dietinguiahing feature
of the patent, the reliability of the system ie improved by connecting a twa-
diaphragm valve to the working cavity of the aervomotor. The controlled
cavity of thia valve is connected to one end cavity of the alide valve, while ~
the cavity between the diaphragms is connected through the control mechaniam
to the other end cavity of the elide valve. Figure 1. ~
USSR UDC 621.165-531.8(088.825)
A PRESSURE REGULATOR
USSR Author's Certificate No 581315~ filed 28 Jun 76, published 15 Dec 17
[From REFERATIVNYY ZHiJRNAi,, TURBOSTROYENIYE No 9, 1978 Abatract No 9.49.108 Pj
LYSKO~ V. V., LEZMAN, V. I. and BEL'FERMAN, M. D., All-Uaion Scientific
Research Institute of Heat Engineering, Khar'kov Affiliate of the Central
Design Office of Glavenergoremont, Ministry of Power of the USSR
[Text] A presaure regulator ia proposed for steam-turbine regulating
systems. The regulator contains an impulse-fluid feed pipe with autput
apertures and a flexible plate located on the end face. One end of the plate
is fastened to the housing, and the other end is secured to a diaphragm
with ita cavity connected to the cavity of the medium to be regulated.
As a distinguishing feature of the patent, operating characterietice are
improved by reduci.ng the influence that changes in the preasure of the
impulae fluid have on the poaition of the plate. The feed pipe has a
dead end, and the output apertures are located on the side walls of
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the pipe eymmetrically with iCs axie~ while the plate hae pro~ect3ona Chat
cover Chese apertures. To prevenC Che p1aCe from bruehing against the feed
- pipe and Co improve reliability, ehe ineide eurfaces of the pro~ections
are equipped with recesses located oppoeitie the ouGput apertures of Che
feed pipe and having different eurface areas. Figures 3.
USSR UDC 621.165-531.9(088.823)
A STEAM-TURBINE POWER REGULATOR
USSR Author's Certificate No 579680, filed 4 Feb 75, published 25 Nov 77
[From REFERATIVNYY 2HURNAL, TURBOSTROYENIYE No 9, 1978 AbaCracC No 9.49.107 P]
BASHNIN, 0. I. and BUYEVICH, V. V~ -
_ [Text~ A steam-turbine power regulator ia propoaed that contains a power `
setter connected to the inputa of a limiter module and a power modu)e that
is connected to an output adder; an rpm module with output conneci.~d to-
gether with the output of an integrator to the inputs of an auxiliary adder
with its output connected ta Che integrator input; a minimum aignal aelector
and a mixing module with mixing signal aource. To improve the ~ccuracy ar.d
- reliability of the regulator, the aelector inputs are connected *o the oux-
puts of the mixing module and ou~put adder, the output of the selectt~r is
. connected to an auxiliary integrator input, and the integrator output is
connected to the inputs of the power module and the output ~dder, while -
- the output of the limiter module is connected to the inp`~: o� the mixing
module. Figure 1.
CSO: 1861 - END -
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