SCIENTIFIC ABSTRACT YERSHOV, V.A. - YERSHOV, V.N.

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SCIENTIFIC ABSTRACT
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~,,VMIMY,p V.A.; PAGINMWA, I.A. Determination of the maximum permissible phosphorus and Fulfur content in the raw materials usea in the V ~Ouctiom of calcium carbide. Xhim.prom. no.3:182-185Hr 161. (MIRA 11+0) (Calcium oarbide) (Pho-6:0horue-Analysiv) 0 i, ~~V, V.Ae; PAGLUMA) I,A, Transfer of sulfur compmnds from b%tch to calcium carbide - during its production in an-eIfttx-L:i furnace. Zhur.prikl.khim. 1 34 no.9:1901-1907 S 161. (DIIRA 14:9) (Calcium carbide) (SuMr ccmpounds) t ERSHOV, V.A.; PAGNUYEVA, I*A. Sulfur compounds passing from a batcla to calcium carb4de in the course of its production in an electric furnacem Zhur.prikl.khim. 34 no.10:2159-2163 0 r6l. (HIRA 14:11) (sulfur compounds) ((Alcium carbide) YERSHOV, V.A.; KRYLOVp V.N. Transfer of phsophorus compounds from charges to calcium carbide. Zhur.prikl.khim. 35 no,7t2441-2448 JI 162. (MIRA 15:9;~ (Phosphorus compounds) (Calciunt carbide) i 11*14NV V. YERSHOV, V. A. Calculating the maxi=m capacity of calcium carlilde. Xhlis. prom. no,3:237-238 * 16). (MMA 16:4) (Calcium carbide) I I I' I 1~ '. I 1 1, , I !I ll,ililt I fill 1141 11 Ill ; ill I M.' !~! I . ! , ---..-..YERSHCV, V.A. , Admissible acetylene content of wa3te draIna af acetylene manufacturing plants, Khim. prcm. no.10080-78.1 0 16). (MIRA -',7v6) -YERSHOV, V.A., inzh. Reliability of thermal level protaction pynt*mo In jjojlc,.,- dnima. Enorg. i cloktro"kh. prom. rio.4.-.15-17 O-D 165. (MIRA 19:1) `C~,cs _-'i T. ~ id Cheliabi-nskc,"o raLon-a. c "Suisok js-,-,ol'zovaiLTioi literaturt 'I': o. 140- 4-~Ual- DLU: C-)E315.1",,l so- Ii", SovinL Otco::raplty, flarL fl~ 1. YERSHOV, V. A. 2. USSR (6oo) 4. Ural Mountains - Iron Ores 7. Explanatory note to the prognostic map base on the iron ore deposits in the Urals for 1944. (Abstract.) Izv.Glav.upr.ge,)1.ron. no. 21 191411 9. Monthly List of Russian Accessions, Library of Congress, March 1953, Unclassified. 7-Wil k~ , I AUTAORt Yershov, V.A. 132-12-1112 TITLEt PERIODICALs I ABSTRACTi Card 1/3 Geology in the Ukraine During Four Decades of Soviet RLOA (Geologiya Tkrainy za chetyre danyatiletiya sovetakoy vlasti) Razvedka i okhrana nedrv 19579 # 12t p 1-6 (USSR) Geologic survey was started in the Ukraine in 1825 w1th the founding of the Corps of Mining Engineers and the All Ruaaian Geologic Committee. During the subsequent 30 years the main stratigraphic mapping of the Ukrainian territory was completed. The second period of important geological vork commenced after the October Revolution and lasted till the beginning of World War IL During the first decade of Soviet governaent the Geo- logic Committee USSR and the Ukrainian Geologic Committee con- tinued their work by surveying the Donbass and Krivoy Rog areas* During the -econd decadef geologic surveying was carried out over the entire Ukraine$ whereby mainly non-metallic deposits, such as lAmestone# dolomitent kaoline and other deposits were located. Iron and manganese ores, hard coal and coking coal deposits were discovered in the Donbass, vanadium ore in the Kerch area. rn 1932t prospecting for crude oil was started with drilling operations. On the territory of the Ukrainian crystal- Geology in Card 2/3 the Ukraine During Four Decades of Soviet Rule 132-12-1/12 .line plateau were discovered depppita,of p~exoeleotrie crystaA ilmenite, phosphoriteg graphite and other non-metallic re- sources. Reorganization of geologic research 'was c-arried out. The Geologic Committee was succeeded by the Alain Geologic Pro- specting Administration at the Suprems! Soviet of National Econ- omy (Glavnoye gpologor vedochnoye upravleniye pri vysshem wptva) and subsequently the Committee of sovete narodnogo khozyv__ Geology.at "Sovnarkom" USSR (Komitet po delam geologii pri Sovnarkome SSSR). In the Ukraine tho Ukrainian Goo-logic Mining and Prospecting Tiust'(Pkrainskiy geologo-razvedochnyy treat) waa.founded, and.subsequentl became the Geologic Administration (Geologicheskoye upravleniye~. In addition, a number of other prospecting organizations were founded in the Ukrainian SSR. A period of geologic prospecting activity started in 1947, at which,time the work of geologic prospecting and scientific re- search centers was put on a broader basis. Deep.oil, drilling operations were carried out in the Romny, Borislav, Feodosiya and Kiyev areas. On page 3 is a table shoving drilling activ- ities conducted by ~49 Ukrainian Geologic Administration during 1940-1956. After 1945,-the Ukrainian Academy of Sciences found- 132-12-1/12 'Geology the Ukraine During Your Decades of Soviet RUIA3 ad the Llvov and Simferopol Institutes of Mineral Resources and 10 geologic high schools, Besides, geologii9ts of central organizations of the USSR, such an VSEGEIj VIMBa, MGRI and otherg.operate in the Ukrainian SSR, Nov deposits of iron ore, crude oil and other minerals were discovered by geophysical methods, and the geological structures of the Dnepr,-Don deproa- sion and other regions were analyzed, Gcologic mapping of the entire territory of the Ukrainian SSR on differs.nt scales was completed. As a result of ar"tematic proispecting, nickel. ore, chromiteag bauxites, manganiteep knolipag,titantum, zirconium and other rare metals were discovered by the Vlcrainian Geologic Administration. Detailed studise.of sliding goblogic formations of Crimean coastal regione.were conducted, ano hydro-geologic questions were examined. New scientific methods are being suc-_ cessfully applded to geologic prospecting in the Ukrainian SSR. The article containe.one table. ASSOCIATIONt Ukrainian,Geologio 'al Administration (Ukrainskoye geolupravleniye) AVAILABLEu Library of Congress Card!3/3 1, - ~ ATZENMG, D.Ye.:, geolog; BALUKHOVSKIT, N.F., geolog; BARTOSIVVSKIY, V.I., gnolog; BASS, Yu.B., geolog; VADIWV, K.T., geolog; GLADKIT, V.Ta., geolog; DIDKOVSKIr, V.Ta., gaolog;-MLWlLHOV`_,_.j.A., geolog; ZHUKOV, G.V., geolog; ZA14)Rir, P.x.. gfioiog; ITANTISHIN, M.ff., gnolog; KAPTjJ0-W-Ca.RlJOUSO7A. 0.K.. geolog; KLIMENK0. V.Ta., geolog; KLUSEN, V.I., gmolog; KLYUSMIIKOV, M.N., geolog; MSIMNINAIKOVA. 0.V., geolog; KUTSYBA, A.M., geolog; LAPCHIK, Me., geolog: LICDX, I.L., geolog; KUMVIIHA, A.A., goolog; MOVITNUO, Ta.M., geolog; MEDT11A, V.S., geolog; 14)LYAVKO, G.I., geolog; NATDIN, D.P., gnolog; BOVIK, Te.O.. geolog; POIDVKO. I.K.. geolog; RODIONOV, S.P., goolog; SEWNEW, N.P., akademik, geolog; SEROT"j, A.D., geolog: SIROSHTAH. R.I., geolog; SLAVIN, V.L. Peolog; SUKHhENVICH, P.P., gmolng; TKAOMM, L.G., geolog; USNNKO, I.S.. geolog; USTI- IR)TSKIT, Tu.B.; geolog: TSAROVSM, I.D., geolog; SIRMIGA, P.L.. geolng: TURK, Tu.Yu., geolog,- TATTICaNKO, I.N., geolog; ANTFDPOV, P.Ta.. plavny7 rodaktor; FILIPPOVA, B.S., red. izd-va; GlWVA, O.A., tnkbn.rmd. [Genloxv of the U.S.S.R.] Geologlin SSSR. Glav. red. P.IA.Antropov. lol.j.[Ukrainian S.S.R., Moldavian S.S.R.3 . . Ukrainaknia SSRI 1401davskaia 53R. Rm4. V.A. Ershnv, N.P. Samenanko. Pt.l.LG"Ological description of the platfnrm area) Gaologichmnkoa Opisania platfor- mennoi chasti. l4bakva, Goa. twuchno-tmkhnAzd-vo lit-ry po geol. i okhrane nedr. 1958. 1000 p. C Supplement] Frilozhmntia. -7continued on ~-ext card) ATZENVERG, D.Y~.---(continumd) Card 2. 3 fold.maps (in portfolio) (141RA 12:1) 1. Russia (19?3- U.S.S.R.) Glavnoye upravlaniya geolagii i okbrany nedr. 2. Ukrainskoye gonlogicheskoye upravleniya Ministerstva goologii i okhrany nedr SSSR i Institut goologicheskikh nauk Akndemii nnuk USSR (for all nxenpt Antropov. Filippova. Gurava). 3.Glavnyy geolog Ukrainskogo goologichenkotco upravleniya (fnr Yershov). 4. AN Ukrainskoy SSR (for Samenenko). (Ukraine--Geology) (Moldavia--Geolog7) I A I E 1 1 -1 r! cuff LLt-Lt7u 6A, 1 Hl h 1 1!11i,i~~Ili lill;ll;!;Jl: 111111 it,, . ; I I ;I I i . . I I 1,.~ V ,40-49 MY no. 5. --oavlaz ARKRANGEL SKAYA, A.A.; URSHOV, V.A- ... Const:~uctJon of switz-hing sy2tem,-; for -mmi4te!A-cin -- f palue-tivie chaimels. Probl. percid. in-frrm. 163. ( "N" :Fik I'll . i -)) DEXTSKYp V. V.; GOLUBKOV, V- V-; YM)ROV, 11. A.; (Moscovr) "Investiation of flight trajectories with low thrust" report presented at the 2nd All-Union Congress on DieorcUaiil and Applied Mechanics, Moscowp 29 Jan - 5 Fab 1964. .:i I;i 1 ! : !I! I f I : kil I ml i. : i ltl` V-1 J I : ii I :!l I 11111tJ 11 !;I'i' ~ i ~ !~ I V ; I ! I : ~ ilk ~Ip I L 38539-66 EVf ACC NRs AT6014758 SOURCE COUE: 'UR/cooOA5/000/C,,C-0/0101/010',; AUTHORS: Karasilko V. R.; Kurganov, G. B., Yeraho.v V. G.; Kopylovski3F,-B. D.; Ivanov, V. S. ORG: none TITLE: Superconducting solenoids of niobium alloys with zirconium SOURCE: SovoshcIippiyo_po_RiqtI I opiyu-_j motallofizike avorUproyodnilrov. Ist 1964.- Metal-ovodoniye i matallofizilca avorkliprowdnikov (Hotallol.-raphy nnd physics of metals in suporconductors); trudy seveshchaniya. Moacow, Izd-vo Nauka, 1965, 101- 109 TOPIC TAGS: superconductivity, superconductirr- alloy, niobium alloy, zirconim containing alloy, soleniod / S-60 solenoid, S-50 solenoid, B-3 solenoid, B-solonoid A A4STRACT, Superconducting solenoids for creatlin,,'r high magnetic fields are discussed. A brief historical review is presented of the daveloIx.-iont of superconducting sole- nolds and of the use of nioblun-zirconi= alloys. Three cquivalent circuits for a superconducting solenoid connected with a power supply are pmsentad and discunfle d Some of the physical problems of superconducting niobiun,-zirconium alloy solenoids and the means of overcoming them are given. The construction and properties of four superconducting solenoids (S-60, S-50, B-3, and B-1) are descriVn64. The solenoids are wound with 0.25-= diameter wire of 75% lfb--25'& Zr alloy which is bard 1/2 ACC NRi AT6014758 /U electrolytically coated with a 20 )A thick layer of copper. Tho fields attainable with these solenoids range up to 46 koo. Two of the solenoids (S-50 and B-1) were used together to produce a field of 511'~ koe. Tho schematic for a 6-V transintorized power supply, which is current-rogulatod in the rango 0.2-75 at in givon. The authors thank B. M. Vul, corresponding membe'r AN SSSR, for valuable advice; Ye. 14. Savitskiy, V , M. B. Golant, 1. A. Baranov, and R. S. Slyaulevich for sup- plying the wire for fabricating the solenoids; G. T. Nikitina, V. 1. Sarychev, G. I. Agapov, and I. A. Bocharov for help in the work. Orig. art. has: 4 eqi, ions, 3 tables, and 3 diagrams. SUB CODE: 20/ SIMM DATEs 23Doc65/ ORIG REFi 004/ OTH R17: 011 AUTHORSt Yershoy, V..G,; Karasik, V. R. ORG: none TITLE: Procedure for measuring the critical parameters of superconductors for alternatin g-current .. -11~ SOURCE: Soveshchaniye po metallovedeniV i metallofizike sverkliprovodnikov. 1st, UL4_. I-letallovedeniye i metallofizika sverkhprovodniko-v (Cle-ballography and physics-0-f metals in superconductors); trudy soveshchaniya. Moscow, Izd-vo Nauka, 1965, 130-131 TOPIC TAGS-.' superconductivity, critical current, alternating current3 superconducting 0 alloy, solenoid, CcliegeV7, DEA,)-Slry., ejerroemge- miqfC*vFrfc ri&L-o ABSTRACT: The instrumentation and experimental procedure are described for measuring the critical current at 3140 kliz and its dependence on the fixed external magnetic field of wire specimens of 50~.Zr- loy. The specimen io viound on a Teflon form and is connected as the coil'in an LO dreuit". For some voltage across the circuit the current through 'Llie specimen reaches the critical value, and a sharp voltage drop is obs~xved. A superconducting solenoid, described in a preceding article (V. R. Karasik et al. Present compilation, 1). 101), ia usod to croate the external magnetic field. The measured dependence of the critical current density at 3140 khz on the magnetic field for a 150 /A diameter specimen is presented Card 112 ACC NRs graphically. It is noted that no dependence of the critical euxTent density on the wire specimen diameter (in the range 150-230 ~j ) was observed. Utilization of measurements of the quality factor of the LC circuit by the method of free oscillat attenuation is also described. The authors thank B. M. Vul,corresponding member AN SSSR, for ~ntero*at in the work. Orig. art. hast 2 equations and 3 figures. Superconductin a11oy_._,_j9 -9 SUB CODE: 20/ SUBM DATE: 23Dec65/ ORIG REF'-. 002/ OTH REF: 008 Card 2/2 pb Y-11IRSHICV) V. I. Matrosova, T. F. and Yershov, V. 1. "Cr, tht proi.-'--r, --f tr--!~rititar~ ctr[,!,z:cjs -et.Z-'s with penicillin", Sbornik trud OV T tnirCr. nauch.-issltd. in-tig. I .-;, ~:,o Lj nosa, Corl2 i rerhi, Vol. 1X, 1948, p. 117-20. SO: U - 3042, 11 M&I-cf, 53, (L,:topis "ZILurnal 'Inyl(h Avtey, No. 71 P:A-9) ACC NRt ATC10-35122 SOURCE CODE: UR12536AG/000/065/01IS/0129 AUTHOR: Popov, 0. V. (Candidate of tecWcal sciences); Yershov, V. 1. (Candidate of technical sciences) ORG: Aviation Technological institute, Moscow (Avlattsionnyy tekhrolol-Ichesk-'y -1--5ti- tut) TITU -. Pr-opiuration of tubular control shai`ts with ~a new typo of nozzle cou?'~.`rg ~SOURI CE: Moscow. Aviatsionnyy tekhnologicheskiy institut. Trudy, no. 65, '966. Novoye ;v takhnologii shtampovki (Recent developments in stamping technology), 115-129 iTOFIC TAGS: shaft, coupling, stress analysis, tube joint, in6ustrial research, alumi- I :nixn, alloy, aircraft equipment, hot upsetting ~ABSTRACT: Standard methods of coupling shafts or rods are reviewed and the developmentl !of a new type of coupling for tubular shafts, produced by locally upsetting and thread-I !in, the ends, Is analyzed. Theoretical stress equations are derived for the principal stresses arising during the upset operation. The -nount of thickening at the ends is ! dependent cz, the upset height. After upsetting, the ends were threaded; the heavier jupset cross section prevented premature failure at the coupling joinx. Experiments iware conducted on a 30 ton press, at a crosshead q 'peed of 10 an/min, and a heating up Itime of 60 sec. A colloidal graphito susponnion waa unad to lubric"Ito tile die. One Of Card 1/2 I.ii N12~ J !111~ ONNIMUNIII11,11111. .1 Hill P] ; I i . ~fl I I I I - I A. ACC NR. AT6035122 thickness. Gr?timnir. ;the most important parameters of the process wa:3 the d r1 I CK e n ling occurred at a critical ratio of die thickness to tube wall thickness. A duralumi- inum alloy (Dl6-T) was used; the tube dimensions were 20 x 18 mm tit a die temperature of, 1 1 5000C, The remainder of the tube war. kept cool by a conv,~ction cooling head. The end., !of some sa7;ples were compressed after upsetting; data on the relative thickening of !differently sized tubes are presented. Mechanical testing of the final products was 'done both statically and dynamically. Results are given for coupling joints made by standard methods, and by hot upsetting and threading. The comparative tem showed tho! 'new type of coupling to be more reliable, lightor (by 10%) , and oaijlor to fabricate !than the standard threaded or rivotod couplings. The application of this new coupling iG relcommonded for aircraft control rods. The technical procedures necessary for the duction of the new rods are listed and the range of possible shapes produced are .Pro I shown. Orig. art. has. 12 figures, 1 table, 6 formulas. tSUB OODE: 13101/ SUBM DATE: none/ ORIG REF: 002 2 YERS11OV. V.I- apansion, of hollow billets with it varying resistance to forming. Kuz.-Shtam.proizv. 7 no.2:14-19 11 165. (MIRA 18:4) YXMHOV, V-L, POdDOlkovnik mad. sluzhby, lQind. ned. naWc 3ffect of a shock wave on the permeability of blood vessels of the inner ear. Voen.-med. zhur. no.6:130 re 158. (NIRA 12:7) (?A'-R-13WOD SUPPLY) (SHOCK WAVES-PHYSIOLOGICAL XVMT) 4 1, lir i t ;jj KULIKOV, V.O., inzh.; KHILIKO, M-K-0 inzh.; FRILIPSKIY, Y.M., ingh.; MMOV, A.P., inzh.; prinimli uchatiye; NMSHCHff, N.P., inzh.; CEWV T. I f#MIF; SAWBOTA, N.Y., tekbn* ~.~.3ekbzdk; Y30HOT, V.I., ............... Using scale in steelmaking by the scrap and ore process* Stall 20 no-8:708-710 Ag 160. (UM 13:7) (Open-hearth process) starshiy pre- KOVALET; N.A., doktor tekhn. nauko prof.; PTS podavatelf, Dynamic loading of flexible straight Uoth gear1r,ig. U7, vys. ucheb. zav.; mashinostr. noo 1006-83. f65 ~(MIRI 19 81) 1. Moskovskiy energeticheskiy inatitut., Subnitted flovamber 28# 3.964. Glue for fastening rubber coatings to bushes of the cLraving devices of spinning machines. Biul,tekh.--ekon.i;nform. no.10:21-23 161. (MM 14:10) (Glue) _L, AP S _// -1 4~ /~~ I /V, USSR/Farm Animals. Swine Q-5 Abs Jour ; Rof Zhur Biol., No 6, 1958, No 26223 Author : Yorshov VJI. Inst 2 INO Title : Fattening of Swine on Pototo Fields (Otkorr- evinoy nn posavekh kartofelya) Ori-- Pa : Svinovodstvo, 1957, No 6, 10-13 Abstrnct : The orgcnization ond rosults of tho fattotIng of swine on potato fields in a kolkhoz of the Leningrad Oblastl is des- cribed. The pcsturing of swine in 1954 lastod 1 ronth 25 days rnd in 1956 - 2 and a half months. The avorcgG daily increase in the weight of swine in the first cc-so was 550-600 g. par hand, ond in the second caso it anountod to 573 g. Card ... .. ...... 11 D., I It 1111 11111 h I 'All IV A C) IS VIP lb 0 . lb 1b lb ,CJt' 4, 97Y y e2 Ai Ar Al 4y V4 1& 0 -r 'p, X, "? ~-, 4b 0 --v 4) Cf 4yv Irl, b ZF e~l 4b 4b eo 0 0 VI) 0.7 9y AY* C, A:~ -Y 4r 0 C) y o I~y 4b 0Ay Ip co 0 0 Vi 6 , A~v Aa0 40 1-Y 0 ,rv 0j Oj I$ ej Xf y A4 Y-4 Vi ^y qj A), ^4~1 es, IV 4 'C' Rr co V. 44 lb 0 A!~ I;r t~. V- -b cl. 4'. qj yj 0ib "Y -Y 0 q Qj oj p". 0 ti -0, C, 4D c4 -,rr 0 0 0 do -C,* 4g Al el ej ci Al 0 ,b y 01, ?~, A -,y -G 0 uy q) ly C) 's ly Cp C) lb A~ b Ily AV Zy 0 A4 e, br C, 4, 2,~, ~-Y C) 0 CIV le~ -q, .y ^y lb o ,, - 6 0o 'b' 44) UP A~2 0 A te, 40 Yershov, V.M. 132-1-7/15 Possibilities of Using Idercurimetric Surveying in Prospecting for MnvAbar Deposits in the Central Urals. (0 vozmozhnosti primeneniya rtutnometricheskoy slydmki pri poiskakh mestorozh- deniy na srednem Urals) Improved methods of prospecting for metals lead to a wide application of geochamical and bio-eeochemical methods. When prospecting for mercury deposits the rather simple "schlioh" method, based on the study of the mechanical dispersion halo of cinnabar at the distruotion of primary deposits of daylight surfacet was generally used. It is well known that a wide primary dispersion halo of mercury forma around main depos- its of cinnabar. After the destruction of cinnabar deposits and primary dispersion halos of mercury, secondary halos are formed, which consist of gaseous, chemical and mechanical dis- persion halos. Clayey layers played an important part in the forming of alluvial-diluvial blanket deposits. Based on these experienceal investigations were started to apply geochemical prospecting methods for deposits of mercury in the Central Urals. For determining mercury in rooks, the colorimetric method proposed by D.N. Finkellahteyn and I.B. 132-1-7/15 Possibilities of Using Idercurimetric Surveying in Prospecting for Cinnabar Deposits in the Central Urals Fetropavlovskaya was uped, By thin motho(It 0homiatilly pure maroury Le driven-off, whereby it hard soluble mercury-copper- iodine compound is formed, whose bright color in compared with standard color shades. The sensitivity of the method is 0.001%. This is a simple method for determining mercuryp and is applicable for a wide range of geologic surveying. On the Ayat gold-antimo y-mercury depositsp only the eastern section was suitable for mercurimetric surveying, where the ores consist predominantly of antimonite. The results of mercurimetric surveying of this part of the deposit are shown on figure 1, where in some samples the content of mercury is as high as 0-004%. Tests conducted on the Novo-Ayat deposit) located 1 km north west of the Ayat deposit, have yielded samples with 0.02% of mercury. Lt the Yegorshino cinnabar deposited located along the border of the Bobrovka river valley, the mercury dispersion halo has a width of approximately 20 mg whereby the contents of mercury above the ore zone reaches 1-5%- The presence of cinnabar in alluvial-diluvial formations is Card 2/ 4 found from 3-4 times more often by the schlich method than 132-1-7/15 Possibilities of Using Mercurimetric Surveying in Prospecting for Cinnabar Deposits in the Central Urals mercury by chemical analysis in metallometric samples at the same intervals. The low sensitivity of the mercurimetric method is not a deciding factor in prospecting for mercury deposits, but gives a more restricted surface of the halos, which has to be examined by means of mining operations. The author arrives at the following conclusions: 1) Disre- garding the limitations, large scale prospecting by the mercuri- metric method can be recommended for the Central Urals region. 2) Secondary dispersion halos of mercury, established by means of mercurimetric surveying, are small andtherefore delineate areas for more detailed studies. 3) When prospecting for cinnabar deposits by the recommended method, a sideway shifting of the mercury in the dispersion halos must be taken into consideration, 4) The distance between test holes must range from 15-20 m, in which case the halos will be fixed at several points, and even small deposits will be located. 5) Hercurimetric surveying will be especially effective when prospecting for mercury deposits Card 3/4 in which cinnabar occurs chiefly in the form of fine and very 132-1-7/15 Possibilities of Using Morcurimetric Surveying In Prospecting for- Cinnabar Deposits in the Central Urals fine grains. There are 2 figures and 7 Russian references. ASSOCIATIONg Ural Branch of the USSR Academy of Scienoce (Ursllakiy filial AN SSSR) AVAILABLE; Library of Congress Card 4/4 1 P .1 AUTHORS: Yershov, V.U., ShcheElova, A.I. 3UV/T-58-4-12/13 ------------- TITLEi Germanium in the Pit aaters of the Kizel Coal Dijtxict (Germanij v shukhtnykh vodukh Xizololrsko,~,o kamennoujollnoJo basseyna) PERIODICAL: Geokhimiya, 1958t Nr 4, PP- 369 - 391 (USSR) ABjTRACT: Germanium was determined colorimetrically with phenyl fluoron. In order to separate disturbing elements it was extracted with carbon tetrachloride from 9 n hydrochloric acid after neutralization and evaporization. The pit rater from 13 out of 20 investigated pits contained germanium. The germanium content was by 2 - 6 times higher thaa the sensitivity of the method of analysis and attained up to 3m&/m . The place of as-mple taking, the depth of the pit, the free sulfuric acid in the pit wmter (m~11), the sup,,ply of pit water in -m3/h and the found germdnium content (MgIM3) are represented in a talbe. The L~ermunium qu~-ntity which io pumped out annually with the pit water amounts to approximately 200 kg. The coal field yields annuully Card 1/2 approximutely 11 million -wns of water in oetich probably Germanium in the Pit 'Waters of the Kizelov Coal District SOV/7-56-4-12/13 several tons of germanium are contained. Germanium is washed out to a relatively small extent; therefore it may be assumed that germanium in bound closely to the organic sub- stance of the coal. There are 1 table and 6 references, 4 of which are Soviet. ASjOCIATIONs Urallskiy filial AN $33R, Overdlov.9k k3verdlovsk Ural Brunch AS USSIO 3UBMITTED: January 22, 1958 1. Oermanium--DeterminQtion 2. Germani~jm-_Separation 3. Germanium --Sources 4. Colorimetric tUIalYsi8--APVIiOaI;,10W) Card 2/2 Prlill III MIr IN] MAI 41 11111 AUTHOR; Y!.~#~ SOV/7--50-6-12/16 TITLE: On the Nature of the Binding of Germanium to the Organic Matter in Fonail Coale (0 kharaktore avyazi germaniya a organicheskim veshchestvom v iakopnysjmykh oglyakh) PERIODICAL. Geokhimiya, 1956, Nr 6, pp 605 - 606 (USSR) ABSTRACT: In the coals of the Kizelovskiy basseyn there is a binding between germanium and vit:rinite (Figs 1 and 2). In order to find whether germanium is bound by sorption 8 samples were subjecte& to dialysis (weighed vample 10 g, chamber content 180 to 200 cm , potential gradient 18 V/cm, duration of electrodialysis 24 to 36 hours). No germanium was found in the solution. There was also no germanium in the solu- tion in a soft coal eaml)lo fram a Soviet deposit. It is true that in the ash, geratanium occurs an d1oxide, Thua, it may be concluded that in coal,garmanium does not occur as sorbed complex, but as organometallic compound. V. M~ Hatynakiy put the noft coal sample -at the author's disposal. There are 2efigures and 6 references, 2 of which are Soviet. Card 1/2 . On the Nature of the Binding of Germanium to the SOV/7-58--6-12/16 Organic Matter in Fossil Coals ASSOCIATION: Urallskiy filial AN SSSR, Sverdlovsk (Ural Branch, AS USSR, Sverdlovsk) SUBMITTIM: June 2, 19~iB Card 2/2 -YERSHOV, Novo-Ayatt cinnabar deposit in the Urals. Trudy Gor -fmol, inDt, UFM SSSR no.34:'1#1-45 1.58. iMIRA 14:10) (Ayat' region (Ural Mountains))-Cinnabur) 3 (8) AUTHOR: Yo sho V.11. TITLE: On A.B. Vistelius, Article "New Confirmation of Gold- schmidt's Observations of -the Position Occupied by Germanium in Hard Coaill (0 statlye A.B. Visteliusa Golldslimidta o "Novoye podtverzhdeniye nablyudeni-y - polozhenii germariiya v kamennykh PERIODICAL: Izvestiya Akademii Nauk SSSR, Seriya Geolo-icheskaya, 1959~ Nr 3, PP 115-1-16 (USSR) ABSTRACT: The author points out that the problem of binding ger- map.Lum with the ash content of coal was dealt with by A.B. Vistelius 12 years ago. Vistelius committed a mistake which has remained unnoticed up to this date. By using data from V.M. Ratynskiy (Trudy DioSeokhimi- cheskay laboratorii A.N SSSR - Transactions of the Bio- chemical Laboratory of the AS TISSR, NT' ?!, j.qL[6'1 Vistelius set up a logarithmic correlation tablo and ascertained the correlation coefficient between the Card 1/2 germanium content in ashes and the ash content of coal 7 On A.V. Vistelius- Article "New Confirmar.-L.ori. of Gr'j-dachm-Lit's Observations of the Position 0ccupied bj Germanium in Hard Coal" of the Xhumar /deposit. This coeffi(-.iont proved to equal: - 0,52 � 0,05. Therefore, Vistelbls,confrary to V.M. Ratynski.y, concluded Thai IIb(--t-L,-,7er--n the ge-r- manium content in coal, of the '0~r..07,it and its ash content, there exists a ,leor Lion proxima- binding which has,, in the fir-st ap Lion', a linear form for logarithms of contents. The author provides data. which prove that this conclusion is incorrect. SovIet research showed that the correla- -tion coefficient between the a.sh cont-'ent of coal. and the g,-~rrnaniijm -~,ont.erit ia equril to - 0,1 :t 0111 for coal of the KA.zel basin. Thorofor#:,-, the con-. elusion by V.M. Ratynskiy that the "correlation between the germanium content and the ash COrLtent of coal koye not observed" is correct not only for the Khuma--- 'd, e - posit but is probably also important for other d(-,- posizs~ Card 2/2 -YERSHOV, V.M. Using electrodialysis for the study of trace elements in coals. Trudy Gor.-geol. inst. UFAN SSSR no. 32:231-233 159. NMA 14:5) (Elactrodialypla) (Trace olemente) (Coal) -MiRSHOV v 11 Calcito c~-yjt-~.lo from tlie pyahm-Elyuchevokly dep*ijit in tho Urals. Trudy Gor.-geol. inst. UFMI SSSR no. /~Z:175-178 15~~- 01ILTL 14: (Ural Mountains-Calcite crystals) S/007/61/000/003/004/004 B107/B2o6 AUTHOR: Yershov, V. M. TITLE: Rare-earth elements in the coals of the Kizelovskiy deposit PERIODICAL: Geokhimiya, no. 3, 1961# 274-275 TEXT: There are only few data on the behavior of rare-earth elements in hypogenic processes (Ref. 1: 1. D. Borneman-Starynkevichp S. A. Borovik, and I. B. Borovskiy. Dokl. AN SSSR 30, no, 3, 1941; Ref. 4: A. P. Vinogradov. Geokhimiya redkikh i rasseyannykh khimicheskikh elementov v pochvakh (Geo- chemistry of rare and dispersed chemical elements in soils), second edition, Izd-vo AN SSSR, M., 1957). The author was able to observe a fractionation of the rare-earth elements during their concentration as accessories in the coals of the Kizelovskiy deposit; the geological structure and peculiaritie 11 of coal concentration of this deposit are sufficiently well known (Ref. 2: P. V. Vasil'yev. Paleogeograficheskiye usloviya formirovaniya uglenosnykh otlozheniy nizhnego karbona Zapadnogo sklona Urals, (Paleographic formation -,ondition8 cf coal-bearing sediments of the lower carbonoferous on the western slope of the Ural), Ugletekhizdat, 1950; Ref. 8: 1. V. Pakhomov. Card 1/7 8/007J61/000/003/004/004 Rare-earth elements ... B107/B206 When the results of a qualitative spectral analysis of common coal ash and the ash of a concentrate (specific weight 1.4) are compared, it is eatab- lished that much more yttrium and ytterbium are present in the concentrate. This points towards a bond between Yj Yb and the organic coal substance. The Table shows that Y amounts to almost 53~ of TR2 03' Cerium strongly predominates among the lanthanides (Ref. 9s Ye. 1. Somenov, R. L. Barinsk:~y- Geokhimiya, no. 4, 314, 1958). The relation Ce->Nd> I,a> Pr prevails within the cerium group; the m6st widely distributed minerals show however Ce> La > Nd> Pr (Ref- 53 V. 1. Gerasimovskiy. Geokhimiyp- rodkozemel'nykh ele- mentov (Geochemistry of rare-earth elements). Collection "Redkozemellnyye elementy" (Rare-earth elements). Izd-vo AN SSSR, M-t 1958)., This is clear- ly shown in the figure; the diagrams for the amount of rare earths show strongly selective composition of lanthanides. The even-numbered elements amount to more than three uarters (78-5%). Ce/La = 3; Nd/Pr - 3; Gd/Tb-5.4; Dy/Ho - 3.6; Er/Tu - 5; SmNu - 23. The ratios are thus closer to the mean Values for all minerals than for the Clarke numbers. Yttrium has the high- est Clarke concentration in the coals of the Kizelovskiy deposit. The Clarke concentratlc~ls for ytterbium earths are in the mean twice as high as Card 3/7 S10071611000100310041004 Rare-earth elements ... B107/B206 for the cerium earths, although these roprenent tht majority of the lanthanides. It is thus established that the ytterbium earths were more strongly concentrated than the cerium earths, i. e. those were selectively concentrated. A bond of yttrium and ytterbium to the organic substance was mentioned. This bond and the Clarke concentrations show that a similarity exists in the behavior of ytterbium earths and germanium in the coals from Kizel. It may therefore be presumed that ytterbium earths are present in the coal in the form of elemental-organic compounds and that their concentra- tion as well as that of germanium occurred in the state of peat formation. The concentration of the organic aubstanoes-for the coal of the Kizelovskiy deposit was accompanied by the sedimentation of great amounts of clay sub- stance (mean ash content 26%) and took.its course in the presence of con- siderable amounts of sulfur (mean sulfur content of the coal 5.5%). The amount of rare earths in the coals from Kizel differs however somewhat from the amount in clay formations (Refe 5) and in the sediments of the Black Sea which were formed in the reducing hydrogen sulfide medium (Ref- Tt E. A. Ostroumov. Dokl. AN SSSR, 21, no- 5t 1953)- On this the assumption is based that the selective concentration of rare earthe was not caused by abundant precipitation of clay substance or the great amounts of sulfur, but Card 4/7 S/007/6 I 1OOO1Q031004/'.)04 .re-carth elements B107/B206 is con'ditional on the selective capture by the organic substance. The author thanKs R. L. Barinskiy for conducting the,analyses. There a*re 1 fieure, i table, and 9 Soviet-bloc references. Abstre-6ter's note- Es- sential translation.-' ASSOCIATWIt Urullakiy filial AN SUR, Sverdlovnk (UrAl BrAnch AS USSR, Sverdlovsk) SUNNITTED; September 12, 1960 Table: Content of rare earths elements in the sum of oxides from the Kizel coals and the Clarke concentration. The analysis was made by H. L. Barinski,,b Il'-:GRE (Institute of Mineralogy, Geochemistry and Crystallochemistry of Rare Elements). The analysis method is explained. in the article by Ye. 1. Seme-nov and R. L. Barinskiy (Ref. 9). Legendt (1) element number, (2) element, (3) content in lj7o~ of the sum of oxides of rare earths, (4) Clarkeconcentration in the coal (Ref. 3: A. P. Vinogradov. Geokhimiya, no. 1, 6, 1956), (39) yttriumt (57) lanthanumf (56) cerium, (59) praseodymium, (60) neodymium etc. Lutecium was not determined Card 5/T S/007/61/000/003/004/004 Rare-earth .elements ... B107tB206 individually, together with yttrium it amouiits to 52.95~4. M CYMVe OKKCAUS illow nil- PCAUX MUC-1h tleapall' M e PdA4119 3eMCA WMIP0011 131 TA I YrAe % 39 HrTpiifl 52,95 >t 65 Tipdmft 0,35 -011 57 Jbirmit 6,0 0,2 66 j11tCnPO3Hft 2.5 0.8 58 Ileptill 18.0 0'(1 67 ro.,mutift 0.7 - 5rj npa3coAitm 2,0 0,5 68 3pdiiR 20 > t 00 HCOA11K 8,0 0,3 69 Tymift 0:4 0,6 62 CallaP1111 2,3 0,7 70 HrTep(SHA 2.2 >t 63 Eapomffi O,t ~.,O I U JIIOTC911ff** - 64 rRAW111HA 1,9 0:4 1 Legena to the Figure: Diagram for the composi- tion of-the lanthanides from the ashes of the Kizel coal. Full line: even-numbered elements; dotted linet odd-numbered elements. Card 6/7 W V Ifl: I R T] f 11di 11, re-earth elements ... 4 S/007/6i/000/003/004/004 B107/B206 Card 7/7 Lo CA Ar Vd Sm Cu qd Tb OV Ho Er ru Yb Lu 47 58 SY 69 Q OJ U ffif 07 88 UIJ It S/137/62/000/003/182/191 Ai.54/Alol AUTHORS: Yershov, V. M.; Mettikh, L. I. TITLE: A rapid method of determining germanium in coal and ash PERIODICAL: Referativnyy zhurnal, Metallurgiya, no. 3, 1962, 4, abstract 3 K 15 (Sb. "Khim., fiz.-khim. i spektr. metody issled. rud redk. i rasseyan. elementov". Moscow, Gosgeoltekhizdat, 1961, 57 - 60) TEXT: 5 - 10 g of coal (grain size 0 - 1.5 mm) or 1 g of ore is arhed in a porcelain cup in a muffle furnace without mixing at 5500 for 1 h. The ashis transferred to a distiller, and 10 ml of HC1 (l :- 1) + B drops of concentrated H P04 are added. 5 ml of water is poured into the receiver, and GeC14 is diztil1ed' o?f, 8 - 9 ml of distillate being collected. After cooling, another 5 nl of HC1 (1 : 1) is added and distillation carried out for a second time, 5 ml of dic)til- late being collected. All the distillate is transferred to a 25-ml retort, VIIlich is filled up to the mark with water. 5 - 10 ml of the obtained nolution is used to bring up 1 n. HC1 to 10 ml, I ml of a 0.5 % solution of gelatin and I ml of' a 0.05 % solution of phenyl fluoron are added, and the color compared with stand- Card 1/2 s/137/62/000/003/182/1 91 A rapid method of determining geinlanium A154/A101 ards prepared at the same time as the sample after 50 - 60'mins. The series of standards are prepared by 0.05 - 0.45 ml of the.solution of Ge (0.01 mg/ral), to which up to 10 ml of I n. IM in added and whioh is dyed an descr,ibed abov,.;f. There are 18 references. N. Gertseva [Abstracter's noto: CompleLa tremalation] Card 2/2 YERSHOVO V.M. Point method of counting the componerAo under -the mlcroocope by means of an integration table. Trudy Gor.-gool.inst, UFAN SWR no-56:161-162 161. (MIRA 15:7) (Microscopy) (Minerals-Analpie) li.!~AIUI!11 k !U, Li * I -E n LIPCHIN, IIJI.; B-FLYKII, Yu.A.; Ymisfmv, V.m. Phase recrystallization of steels aiioyed with inoIybdvj-jL-,%. Metalloved. i term. obr. met. no.4:17-22 M AP 165. (IMEFJ~ 18:6) 1. Permskiy politekhnicheskiy institut. KATS, L.Ya,j inzh.; __ YMSHOV, V.N.) inzh, Technical and economic results of j=oducing Aght1weight I-bars and channels on 104K rolling mills. Stall 20 no. 7:651-654 J:L 160. (MEU 14: 5) 1, Kuznetskiy meta-Uurgicheskiy kovibinat. (Rolling (Ile talwork)-.-Conts) 4- ~ 1~ I' :,- ~i il I;! TIMSHOV, Y.N., inzh. I- Calculating the temperature conditions for rolling. 1-bealis and channel iron. Stalt 20 no# 12:1119-1121 :1) 160. WdA 13:12) 1. Kuznetakiy metallurgichaskiy koubinat. (Rolling (Metalwork)) ACUSSION Nit: Anoi3549 S1013316410001001100501C052 AUTHORS: Kobyftev) V. X.; Yershov., V, N.; Kuznetsovo A. F..; Mazur:U-n. P. It. 11yazanov,, D, G.; Fiskes) E. Ya.' TITLEt Rolling two-layor sheets with the basic layer made of low-alloy steel WURCE: Stall, no. 1, 1964.. 50-52 TOPIC TAGS: rolling, plating, low alloy steel, steel, 16GS low alloy steel, carbon steel, OKhl3 stainless steel., DaftloT stainless steel, St-3 steel, stain- less steel, corrosionj steel corrosion, steel mechanical properties, 3K steel, 15K steel, 2CK steel., regenerative furancey continuous furnace ABSTRACT: This work was carried out in order to study the surface quality and the mechanical properties of two-layer steel sheets. The,samples were a basic sheet made of low-alloy steel (16GS) plated with staiKLess'steels OKhl3 or Khl8NIOT. The procedure followed was developed by the M (Kuznetsk Metallixgical Combine). One part of the samples was hold at 1260G for 1.25 hours., at 1320C for 0.75 hours., and at 1310C for I.$ hours. Temperature at the end of rolling was 3.170-118CC, and rolling was cojVloted elthar with or without edging. In the former case the plate Card 1. A IrT jWCESSION NR: AP4013549 inetal was ruptured in some cases; in the latter case the quality of the metal Piurfaco was much hit;her, and no peeling of the plate layer was observed. The remaining samplea wortChonted in a continitoui furnno to 33.10-13,10'o for 4.5 hours. ,rerkocrature at the and of rolling was 1000-1010C. All the sw%plas plated with '. steel Yh'I3N1CIr underwent thoma treatnent at 900-930C after rollin-, while sa:xples plated with steel OXhl3 were held at 6600 for 14-16 hours. Ihe result's obtvaired 4-h 3 were satisfactory. They are presented graphica.13.y in Figsa I &nd 2 on . e nclo- Stu-03. "I. L. VAywhLoynj M, H, Bazhonovp A, V. Yokulmn,, wd 0. S. Rub2.IY participated in this work." Orig. art. hast, 4 figures and. 1 fwmala. ASSOCIATION: Kuznotskiy metallurgichosidy kombinat (Xuznet-sk 'Mtallurgical Com;. bine) SUBMIMED x 00 DATE ACQ: 03Feb63 ENCL: 02 SUB CODE: AML NO REF SOV: 003 OTFM.- 000 COrd 11 - - lasilov t V. N. - ------ - -.- 1--,---- -... -V 11.1 11 .. I :,Ii I 26/,03 I6010dovaniYo raboty stupeni osevogo komproasora v potelitsiallnom ptoke. Trudy In-ta teploznergatiki (Akad. nauk ukr. SS~pj ob. 1, 1949, o. 112-44. SO: LETOPIS' NO. 35, 1949 YERSHOV, V. N. ------7-7-- ., t:, -.- ~,' .;~~,!- ,, r . C_ ,,,~7 26404 K voproau o kharakteristike in-ta teploznergetiki (Akad. nauk t - ..-A, H~~iostupenchatogo osevogo kompressora. Trudy ukr. ssp), sb. 1, 1949, a. 45-51. SO: IZ"lOPISf NO. 35t 1949 TOSHOVO V.N. iUSSR/Physice AmVeis, . aa.oeis Jvn 52 "Ifttbad of U44COUS ASALY414 U044 an APPIA4,14tioml of Optical-Acoustic Phemomatior&,11 V. H. YeIrIshov "Zhur Tekh Fiz" Vol XXII, No 6, pp 1022-1028 Method waa already suggested in 1938 by Prof M. L. Veyngerov (cf. "Dok Ak Nauk SSSR" 19, 9, 1~38; "Iz Ak Nauk SSSR, Ser Fiz" 5, 1,1938; leyod Lab" 4, 427, 1947. Author oupplemants Veyzigaro~vls re- search with exptl material Describes equipAnt and applications. indeuted ~to proi-essors In. L. VeMerov and I. I. Paleye flaceivg 4~c~Q. .2I.W91, YERSHOV, Y.N. Natablishing the charmt.orlotles of gm turbines. Sborn.trud.lAb. probobystr*maoh. 31124,L132 053. (ARA 9-.9) (Gas turbines) ndidat takhnichaskikh nauk. Radial flow equilibrium in axial turbovachine rotorn. Sbor.trud. lab.probl.bystr.mash. no.4:68-75 '54. (MIaA 7:12) (Turbamachines-Impellere) SOV/124-58-1-487 Translation from: Referativnyy zhurhal, Mckhtmiki, 1958, Nr 1, p 59 (0511) AUTHOR: Yershov, V. N. TITLE: Apl~~~~~'_the Operating Regimes of Turbojet Engines 0 (Priblizhennyy analiz rezhimov raboty turboreaktivnogo dvigatelva) PERIODICAL: Tr. Khar1kovsk. aviats. in-ta, 1954, Nr 15, pp 3-12 ABSTRACT: The author sets forth an approximate analysis of the operating regimes of turbojet engines relative to changes in rpm, altitude, and airspeed. The operation of a turbojet engine is schematized with the aid of some simplifying assumptions. In particular, the author employs the concept of approximate similitude introduced by him. He intro- duces rt relationtihip of the chongle in expansion ratio within the tur- bine in terms of the outlet area of the jet tailpipe, The 811thOr tirrive.4 at the general conclusion that in an engine with a constant-area tailpipe the condition of the equality of the flow rate through the tur- bine and the nozzle during all regimes is observed onLy at a constant expansion ratio within the turbine; this conclusion is valid only if the pressure drop in the jet tailpipe and in the nozzle group of the tur- Card 1/2 bine is critical or supercritical. Equations are provided for the SOV/124-58-1-487 I Approximate Analysis of the Operating Regimes of Turbojet Engines construction of lines of compatible regitnes on the compressor-performance chart with constant-area and variable-area tailpipes. A simplified atialysig, for use even in the absence of a compressor-performance chart,is outlined, K. V. Kholshchevnikov Card 2/z YERSHOV , V I N. "Gas Motion through a Stage of an Axial Turbine" Akedemiya Wauk trkr. SSE Kiev. Laboratoriya problem bystrokhodnykh manhin i mekttanizwov. Sbornik truclov, 1955, no. 5, p. 27-33, diagram. Summary - 519851 SOV/124-58-10-11047 Trans.lation from: Referativnyy zhurnal, Mekhanika, 1958, Nr 10, p 48 (USSR) AUTHOR: Yersh TITLE: The Principle of Minimum Resistance and the Development of the Characteristics of the Impeller of an Axial-flow Fan (Printsip minimuma soprotivleniya i postroyeniye kharakteristik rabocliego kolesa osevogo ventilyatora) PERIODICAL; Sb. tr. Labor. gidravl. mashin. AN UkrRSR, 1956, Nr 6, pp 74-85 ABSTRACT: A series of problems is presented on hydromechani'cs and aero- mechanics which are solved with the aid of the variational principle of minimum resistance, A possible application of this principle in the development of the characteriblics of blade-type machines and in particular axial-flow fans is pointed out. A sample calculation is given. It is noted that the result of the application of the minimum- resistance principle in the range of great discharges presents results that practically coincide with the method of calculation based on the condition of constant circulation along the blades, while in the range of small discharggs it affords better agreement with experi., Card 1/2 ment and, in particular', gives some idea regarding the region of SOV/124-58-10-11047 The Principle of Minimum Resistance and the Development (ront. ) unstnble operation of a fan. 1. A. Shepelev Card 2/2 YZRSIIOV. V.N.-, PAVLEM. G.T. 1~ Conditions of approximate similarity for aingla-st", gas turbines. Sobr. trud, Labe gidrp manho n0#7:154-161 158. (Gas turbines) Olln 12:9) .I J. :-I !1.~ ,,*AUTHOR: Soroko, L.N., Nefedov, A.A.,Ye=ho,v,- V.N..1, Masyukov, S.N. (Deceased), Frolov, B.P. "'and Braunshteyn, R.A. TIM-.: ' Rolling of Lightened Nr 19 Beam from Low Alloy Steel 09G2D (Prokatka oble,,.-chennoy balki vo 19 iz nizkolegirovannoy stali 09G2D) PERIODICAL: Stal'. 1958,1iVNr 6, pp 532 - 53? (USSR) ABSTRACT: An experimental rolling of a, lightened, Mr 19 beam from low-alloy steel 09G2D (compositiom %: C 4,-0.12; Un 1.4-1.?; Si 0.2-0.4; Cu 0.22-0.4-4; Cr < 0.30; Ni 0.01- S and P z 0.03; .40.04) is described. LaZhtened _Nr 19 beam (Figure 1) (TuTs 08-124-5?) weighs 19.5~la less per m than normal Nr"lg beam (GOST-5267-50) which is usually rolled from steel St3- For experimental rolling, four heats of steel 09G2D were made. Rolling was done on the mill 500 from shaped semis (Figure 2). The calibration of rolls is shown in Figure 3. The metal was heated ;rom cold charging to an average temperature of 1 170 C. The decrease of temperature in the individual passes - FiguEe 4. Vae final temperature of the neck of the beam was 60 C lower than that of normal beam. Frequency distribution of deviations of dimensions from the nominal ones - rigure 5. The comparison of the loads on the uardl/3 individual stands during rolling of normal and lightened Nr 19 0 SOV/133-58-6-18/33 ,~AUTHOR: Soroko, L.N., nefedov A-A Masy4kov, S.N. (Deceased), Frolov, B:P. and Braunsh yn, R.A. TITIE:' Rolling of Lightened Nr 19 Beam from Low Alloy Steel 09G2D (Prokatka obleEchen=7 balki No 19 iz nizkolegirovannoy stali 09G2D) PERIODICAL: Stall, 1958,1~Wr 6s pp 532 - 53? (USSR) ABSTRACT: An experimental rolling of a lightened, Nr 19 beam from low-alloy steel 09G2D (composition %: 0 /,, 0.12; Mn 1.4-l.?; Si 0.2-0.4; Cu 0.22-0.44; Cr < 0.30; Ni 0.01- 0.03; 4~0.04) is described. Lightened Nr 19 beam 3 and P z (Figure 1) TuTs 08-124-57) weighs 19.%,"1 loori per in than normal Nr 19 beam ROST-5267-50) which iB usually rolled from steel St3- For experimental rolling, four heats of steel 09G2D viere made. Rolling was done on the mill 500 from shaped semis (Figure 2). The calibration of rolls is shown in Figure 3. The metal was heated ;rom cold charging to an average temperature of 1 170 C. The decrease of tempezature in the individual passes - Figuxe 4. The final temperature of the neck of the beam was 60 uC lower than that of normal beam. Frequency distribution of deviations of dimensions from the nominal ones - 1rigure 5. The comparison of the loads on the (;ardl/3 individual stands during rolling of normal and lightened nr 19 .1.30/1 Rolling of LiF ,htened vr 19 Beam froirj Low Alloy Steel OQG2D beams together with the maxi-mum -permissible 101-Lds and r-OM of motors - Table 1. The comparison of the mill throughpul per hour durinG rolling normal and lightened Pr 19 beams - Table 2. Mee,-han2-cal -~:.-oper ties of specimens cut from various 1 ces of the beam - Tables 3 and 4. It is concluded that: 15 ~Irolling of light Vr 19 beams on the mill 500 is possible vi-;*.th the existing equipment; 2) dimensions of the pr,,-)file obtained were situated mainly in the range of minus tolerances; 3)o the tempcraiuure of the neck at the end of rolling vra5 790 0) i.e. 60 'JC belo,-a the temDerature obtained durinC rollinC normal beam Dr 19; 4) loads on motors of roughinG stands ;vas 22-23% higher than durinG rolling of normal DIr 19 beam. Loads on the finishinZ. stand either do not exceed or only sliZhtly exceed permi ssible ones; 5) specific po-,ver consumption was 37% higher than during rolling normal Pir 19 beam from St,3 steel; 6) the output of the mill durin,-, rollinC of the li.-ht beam decZeases by 1?'Io. It is expected that with mastering of the process, this decrease can be reduced to 8,1,5; ?) the chemical composition and mechanical properties of OqG2D steel Card 2/3 SOV/133-58-6-18/33 Rolling of Lightened Br 19 Beam from Low Alloy Steel 09G2D satisfy the requirements of standard ChMTU-5688-56 for lor.- alloy steels. The following engineers participated in the work: N.I. Khoroshev, I.M. Sharapov and F.A. Firsakov. There are 5 figures and 4 tables. ASSOCIATIOVS: Kuznetskiy metallurgicheskiy kombinat (Kuznetsk Metallurgical Combine) and Urallskiy insti-but chernykh metallov (kUral:s Institute of ~, nrrous Metallurgy) Card 3/3 1. Beams--Production 2. Rolling mills.-Applications .................... 4 Z/lfA?j59/0G0/0-%/020/02Q 744 TITLas Th tlfLa-T chal..1 C-.f--Q.- at QAC'k,~ .A :.= Aw ti ..t..:. Z PZRX0DZCALvIsvwwtJy4 ~y..hlkh cbb.ykb Saltd..IY. tokftulk.. 1939. Nr 4h. pp 161-165 MISR) ABSTRACT, I]a PAY 1939. the lfith.Co~r.rea.. f P-r .... ~i.i. and T-hUW Staff took **aalag of Thin-H.11.4 Col-.... by Doe"t. CA&did.to Of Tpchnia.1 l4A-. L.Zy.L,,AhtkLq,,j Card 5/11 OThe juailstlen of stotic 9xparLammuss co, Thim-Wallo,4 itruaturs.- by Ca;~dl t.~ Tachaii-I SCLO-i0~7--- r and 3.at.r J..tructo, V.K.Zalq%.khAaj b-. Fr"I.S a Op--L-g- 07 , C..4 Ld to of -9 Th. 1:;Iu- - - of the nisidity or RLbe aa4 Deama tbetr -DandIzZO by Av*istant Ll,A,S!!*l ow ~Th* ~ ~ Ir P O a CAlculAtias of the DsatlLnji r Ra-tz; the 01.0rete Method" by Am*l*t-t A , 14. M.thod, -The Calsul.cl.4 at C BN L Uh-la ~by Zl !;d1 Ax"t n-.., Or-Dj._.to Variable. b k. : r -.-tbY A..lat..% . ter the AhtqaAttQq or Idtnq Pr.. T "" Xuvestigat&ou or the Procoon or braaiw* D*,t%A by Soala~ Inatructor. A CA Tochu :did to or i..1 -The the opera 0C x it car.& 6/12 ftdraulic Ploa%* by JLS&IOt4at V-Z.5*2t" OT-L A.aur.*y of b: ,, the T-b..LGXjc.1 by Autaeatic WGIAIZX Of' Long Pa-to- :Tbo TO V_.V.. to to the Us or n of the optionbs G-eatry Of C t metl a ha.l.. i.ac.. , "co at. Caud id.to of T b; : .. at Th. P, .4 !. z CLAXxlflz:ti!a hga &I 104.s.r.. L. Ka.hl.. C-atre.ti. T n: by . n Al ... tar P.M ll^nlllll,7, ll**t,,r at A .-.b1. Abr..L.. . j , ..!,1.s Tool tant *AM InvestIC 10n f the I. by A Vr" a r Compresmion at High volacItles or :: O Dafo~%l ~ b 7 D*l at. -.clid.t. or T..hui..l Sol._.. C dlz.tl- of Tibr.tl-. sre%cv~ .A.K.R.,-7 'The St:.4.r the H Xenia= La AiLrcrart FroduccLon. by ,imm- or V. b. 1- end Alrclll 1 C ftttr;otl- 't Th.-I 1 4 C;ard 7/11. . , 7 , 1*t old t-'T of - V t 0 1 , or the ,_ " l: .h .L..l f T did to C n. . : Turbiae- by r t*- t ,. " V.N,Y _b-L Th. V.r"1, 3ta9* Pll::4 !ho i . he ~ .. r A R.41.1 C .ran by A..I.t.n% -OZ lf- prazl~ or Xzz tati-ry 3 r ZI.ct'i. .; , . s..jor En.,ne.r rt_ Caa -CA IguLation of th -T.-P. p CftpAclta=, Pr--. Pt-k-Up-' by 5'etion. 'Id..l I Body' b -Iztl-,t nn', V.11K., Tc Wing of the L~ "1 '16*" "'l A"" -, ,l 1,1, ..,1 - "Th. G., Ily . ., Th. A-Ayn..L. In-t of M E X.... Variational principle of maxiatza flux of mechanical enurXr and application of this principle to the 4saign. of axial-floir turbomachines, lay, vyse whebe savol,avotakh, 2 A0,106-54 159. (MIIU 12:3) I*Kharlkoyskiy aviatsionnyy institut, Irafedra, twil lopastufth mashin i prikladnoy gazovoy dinamiki. (Turbomehines-I'luid drurics) YER,9HOV,_ V. N.., PkVl.','IIYO, G.V. Rotating stall in the elementary stage of an axial-flow compressor. Izv.vya.ucbeb.zav.; av.tekh. 2 no-3:614-71 '5 9. (HIRA. 12:12) I. Kharlkovokiy avintsionnyy Institut. Klifedrn lop&Btrwl-,h manhin i prikladnoy guzovoy dinamiki. (Aircompressors) HKO-SMIN, Leonid Ilakeendrovich; LLWSKITv Hikolay Longinovich; SHYARTS. TWor Alskeendrovich; KOM, Petr Ivanovich; FROSKURAs G.F., skademik, retsenzent Dammed]; IMUMV, T.N., dotsent, kand.takhn.nauk, retsenzent; SQM, (Itlas of drawings and disgrace of gas turbine umits] Atlas konstruktaii i ekham gazoturbinnykh ustanovok. Pod obahchal red. L.A.Shabonko-Shabina. Koskva, Gos.neuehno-tekhn.izd-vo maahino- stroit.lit-ry, 1960. 183 p. (KIRA 14:1) 1. Oblen-korrespondent AN USSR (for Shubenko-Skmbin)o 2. AN USM (for Proskura). (Gas turbines--Desiga) rp.1000 69324 5/147/60/000/01/013/oi8 E022/9535 AUTHOR: V.N. Yersh2y , - _ TITLE: The Instability of the Flow in Compressors'- PERIODICA L: Izvestiya vysshikh uchebnykh zavedeniy, Aviatsionnaya tekhnika, 1960, Nr 1, pp 111-120 (USSR) I ABSTRACT: The instability of the flow in compressors may take the form of oscillations of the total mass of the fluid which fills the engine and the circuit. The frequency of these oscillations depends on the inertia and the amplitude depends on the damping properties of the system. This instability is called the surge. As indicated by Emmons et al. (Ref 6) and Pfleiderer and Weinrich (Ref 8), it is necessary to differentiate between the causes leading to the appearance of surging (the so-called 'hard' and soft, approach to the unstable region). Hard surging occurs in the regions of the engine (or stage) of work near (H ) max total characteristic diagram and needs an impulse of a Card 1/7 finite magnitude to produce it. The soft surge occurs 69324 S/147/60/000/01/013/018 B022/E535 The Instability of tha Flow in Comprossors along the rising branch of the Ht.t.1 character- istic, is spontaneous (i.e. will be induced by infinitely small disturbances of the flow) and is characterized by self-induced oscillations; since there is no need for pronounced impulses to produce this phenomenon it is clear that the flow is fully unstable in those regions. The principal difference in the two phenomena is linked with the appearance of the rotating stall in the rotor blades (Refs 7,9). The number of the stall cells (which destroy the axial symmetry of the flow) and the speed of their propagation do not depend upon the "grid"only on the region of operation and the aerodynamic characteristics of the cascade. The rotating stall is accompanied by the appearance of a vortex ring, i.e,, a reversed flow and axi-symnietrical stall zones (Ref 4),, To explain the transition into the unstable region of flow and to Card 2/7 determine the limit of stability the problem is analysed 69324 S/147/60/000/01/013/018 E022/E535 The Instability of the Flow in Compressors by means of the variational principle of the maximum energy flux (Ref 1) and the rotor is replaced by the actuator disc. As shown JLn the earlier paper (Ref 1), the flow is stable relative to infinitely small disturbances if the inequality, expression (1), is satisfied, and with the finite disturbances present the flow may become unstable if the inequality (2) is satisfied. (H is the total head). To simplify the analysis it is taken that ~ = const; this does not impair the generality of the results. If the H - Q characteristic of the compressor is known, the expressions (1) and (2) represent points (1) and (2) in Fig 1. The branch of the H-Q characteristic to the right of (1) represents the absolute stability of the flow. At (1) tho instability inay occur if finite disturbances are present and furthor throttling of the grid causes transition into the u-notable region of operation towards (2) where the absolute instability Card 3/7 will occur (soft surging). To explain the phenomerion ild The Instability of the Flow in Compressors Card 4/7 69324 s/147/60/000/01/013/018 E022/E535 of blade stall under the condition of heavy throttling it is assumed that the zones of stall are characterized by very small velocities of rate of flow, i.e, by the break down of flow through the machine. This is called the region of zero rate of flow, Assuming further (Ref 1) that 1.1 --- 11(r,Ca), r beirig the radiu.4 of the actuating Oise and' Ca the axial velocity of the flow (the effect of the peripheral velocity C U. on the energy flow is neglected) as wall as the following conditions (see Fig 2): 1) the zero rate of flow regions have an axial length I which is proportional to the width of the region in the tangential direction, 2) the boundary losses are proportional to the square of the axial velocity and the coefficient of proportionality k is known, 3) the stall regions extend right to the boundaries of the flow, 4) the stall cells are symmetrical in radial direction, 5) all stall cells are identIcal and occur at the tips of the blades, the equation for the mechanical energy flux (1) is introduced. Thus the problem is reduced to that of finding C a and the 693Ph s/147/6o/ooo/ol/ol3/018 E022/B535 The Instability of the Flow in Compressors limits of the zero flow region giving the maximum of I for a given mass flow rate Q. This ifs done through Eqs (3) to (11). Hence C a(r), and the number of stall cells i can be determined (Eqs 8-10) and Eq (11) shows that to each value of % = H Max, there corresponds a particular value of R which it; the radius dividing the stalled and unstalleA flows, at; shown in Fig 3. Point A, which determines R 1 is the point of inter- section of the three surfaces: H, k and a HCa/a Ca. For inviscid fluids when there are no dissipative losses on the boundary, Eqs (12) and (13) are valid as well as Eq (11). Thus the circle of radius R appears to be the boundary between the inner stable motion and the outer annulus of zero flow. Thus the process of transition when the flow is throttled may be explained as follows: with larger mass flow rates X < H max the stable distribution of velocity at any section is Card 5/7 defined by Eq (12). As throttling increases X increases 69324 5/147/6o/ooo/01/013/018 E022/E535 The Instability of the Flow in Compressors and becomes equal to H (say at the periferal section). if Hmax varies along At"Xradius, then with further increase of X an annulus of stalled flow appears, the extent of which is determined by Eq (11), and gradually extends inwardly up to r = R if H coast along itTax = a certain length of r, then even w I const the rate of flow may change as a result of the symmetry of the flow being destroyed by the stall cells. Further throttling is characterized by increasod X and diminished R until the whole disc is affected (with the throttle lully closed). In order to clieck these deductions some experiments were carried out on two stages in which rotating stall appeared at the blade tips. The details of these experiments are given in Ref (2). The effects of a stop in front of the rotor and of the injection of foreign gas into the flow are shown here in Fig 5. Experiments do verify the above conclusions. For viscous fluids when the energy is Card 6/7 dissipated on the boundaries the analysis is modified 69224 S/147/60/000/01/013/018 E022/E535 The Instability of the Flow in Compressors through Eqs (14-19) which are based on the assumption that the flow-through component of velocity at any radius r > R, satisfies the conditions shown graphically in Fig 6. There are 7 figures and 9 references, 4 of which are Soviet, 1 German and 4 English. ASSOCIATION: Kafedra teorli lopastnykh mashin i prikladnoy gazovoy dinamiki, Khar1kovskiy aviatsionnyy institut (Chair on the Theory of Machine Blades and Applied Gas Dynamics, Khar1koy Aviation Institute) SUBMITTED: August 27, 1959 Card 7/7 80962 .2&00 S/147/60/000/02/009/020 6 000 E022/E407 AUTHOR: YerghoLr, V.N. TITLE: Non-Uniqueness of the Solution of the Problem of the Flow Pattern in Axial Turbines 11.17 PERIODICAL: Izvestiya vylshikh uchebnykh zavedeniyj Avintsionnaya tekhnika, 196o, Nr 2, pp 80-87 (USSR) ABSTRACT% In the theory of' turbines, it is usually assumed that the fluid motion and the boundary conditions are stable and in consequence the problem of uniqueness of the solution does not arise. t1owever, this assumption is not fullysupported by really convincing arguments. The simplifications introduced into the boundary conditions result always in thl computed flow being different from that actually taking place in the nickchine. In fact, for the glyen entry conditions and for givell geometry of blades, he stream approaching the rotor may take many different forms. For each possible radial distribution of the axial velocity there will be a different energy balance. However, in each case the motion far behind the rotor will become devoid of a radial component, though the actual distribution of the Card 1/4 stream parameters will depend on the conditions Wbich 80962 sitl47/60/000/02/009/020 E022/E407 Non-Uniqueness of the Problem of the Flow Pattern in Axial Turbines affected the flow through the rotor. Thus, for the given entry conditions and the geometry of the blades theoretically there may be any number of different flows behind the rotor. Experiments show, however, that under those circumstances there is only one physically possible type of stable motion. Hence it follows that out of many theoretically probable types only the stable type is realized. obviously, if the boundary conditions behind the rotor are incompatible with the stable motion, that flow will not be realized in practice. As a rule, when the types of flovr actually obtained in a machine differ from those computed (or assumed) from the theoretical consideration, the difference is explained by the inaccuracy of the cascade data available or the lack of information as to the secondary effects etc, The required (i.e. computed) type of flow may only be obtained by changing the geometry of the blades or by employing some empirical rules gained through practical experience but not related to the general theory of turbi-hes. Card 2/4 On the other hand, if the non-uniqueness of the flow is 80962 S/147/60/000/02/009/020 E022/E407 Non-Uniqueness of the Problem of the Flow Pattern in Axial Turbines accepted, it is clear that these discrepancies must occur unless the required flow is stable. The author considers then the case of a single rotor in an infinitely long circular tube (Fig 1) and shows eventually that for the same entry conditions as well as the constant geometry of the blades, there are various flows possible behind the wheel (Eq (1) to M) The analysis neglects the viscosity and compressibility effectm nnd nFiRumeR the nxi-nymmotric flow witbolit a whirl. In the energy balance, the offi!ict of the radial velocity is neglected and the rotor is represented by the actuator disc. Since there are eight unknown quantities (seven flow parameters and one instant of integration) and there are only seven equations from which they can lie determined, it is seen that the problem is undetermined unless giome additional arbitrary condition is imposed. This may be the amount of whirl behind the rotor or the form of streamlines in the meridian plane etc. Each of these additional Card 3/4 conditions will produce a different type of motion 8o962 S/147/60/000/02/009/020 9022/E1107 Non-Uniqueness of the Problem of the Flow Pattern in Axial Turbines although the entry conditions and the geometry q of the blades remain unchanged. Thus the non-uniqueness of the relation between the types of flow and the geometry blades with the given conditions at the entry is quite obvious. Fig 2 shows the effect of this arbitrarily chosen velocity of whirl at Station 3 on the computed axial velocity distribution in the radial direction at the intermediate station. There are 2 figures and 6 Soviet references. ASSOCIATION:Kharlkovskiy aviatsionnyy institut, Kafedra teorii lopastnykh mashin i prilcladnoy gazovoy dinamiki (Khar7koy Institute of Aeronautics,_Chsir of J'heory of.' Bladed Engines and Ap-p-ri-edGas Dynamics) SUBMITTEDs December 21, 1959 Card 4/4 84049 s/147/60/000/4)03/008/018 A,2190 El9l/E481 AUTHORS$ Yershov, V.N. and Pavlenko, G.V. TITLE; Rotating Flow Separation in a Stationary Annular Cascade of Blades - PERIODICAL: Izvestiya vysshikh uchebnykh zavedeniy, Aviatsionnaya tekhnika, 1960, No-3, pp-51-56 TEXTt The principle of the maximum flow of mechanical energy through the critical cross-section is the criterion of stability for the motion of a continuous medium. It defines the pattern of motion in axial turbo-m~chines in stable operation and permits an analysis of unstable conditions when the axial symmetry is disturbed by rotating separation. Referring to the senior author's previous work (same periodical, 1959, No.1 and 3 and 1960, No.1), the conditions for a transition rrom axially symmetrical flow to a rotating separation are formulated as /X/ relations between the total pressure and the axial velocity components. An analysis of the quantities involved shows that a pattern of flow with shifting zones of separation is possible not only in rotating but also in stationary cascades. Such rotating separation has not hitherto been observed in stationary annular Card 113 840 S/147/60/000/003/0011/018 Eigi/E481 Rotating Flow Separation in a Stationary Annular Cascade of Blades cascades. A special test rig was made to observe this phenomenon. Air was blown into an annular channel where it first traversed an adjustable annular cascade of blades where it acquired a tdfigtiliti8l CoMpollont Of V~100tty. Tho I,nve;ptiIPAte(J cascade with a hub ratio of 0.82 was assembled on a cylinder Mainowhat larget than the internal cylinder of the annular channel so that the boundary layer formed on the inside wall was sucked away through the clearance between the two cylinders. T4e solidity, inlet and outlet angles of the blades in the investigated cascade remained unchanged along the radius. The blade incidence was adjustable. Low inertia condenser type pressure transmitters were used, suitable for amplification at any frequency between 0 and 2000 cps. Such transmitters were installed ahead of and behind the examined cascade and immediately behind the guide vanes. Tests were carried out with a cascade of a chord/pitch ratio of 1.2 havin� 38 blades of 40 mm chord and 300, camber set at an angle of 55 The tests were run at a Reynolds Number of about 17000. Some recordings of the fluctuating pressure are reproduced in Fig.3 and 4g showing various types of separation including rotating Card 2/3 8W S/l4k7/60/000/003/008/018 El9l/E48l Rotating Flow Separation in a Stationary Annular Cascade of Blades separation zones. However, a rotating separation occurs only when the flow ahead of the cascade ensures approximately constant conditions of entry along the height of the blade. The preferred pattern of motion after the loss of stability (whether rotating separatiori or annular vortex) is determined by the condition of maximum power flow. The annular vortex apparently corresponds to a lower dissipation of energy and is therefore more probable. On the contrary, in rotating cascades the pattern is determined by the exchange of energy. it follows that guide vanes in a multi-stage compressor can, under certain conditions, maintain a rotating separation without appreciable attenuation. There are 5 figures and 6 references: 3 Soviet and 3 English. ASSOCIATION3 Kharlkovskiy aviatsionnyy institut Kafedra gazotermodinamiki i reaktivnykh dvigateley (RtPar,tment. of Gas Thermodynamics aud jet Engines, Kharlko-v~_'IvMa TMon institute) SUBMITTED: January 23, 196o Card 3/3 )SRSHOVI V.N. Multiple-valued solution of,the problem of the configuration of the flow in an axial-flow turbomachine. Izv. vya. ucheb. zav.; av. tekh. 3 no. 2:8C~-87 ~60'* (MM 14: 5) 1. Kharikovskiy aviatsionnyy institut, kafedra teorii lapastnykh mashin i prikladn4 gazovoy dimmiki. (Turbomachines-.~-),erodynamics) Jl F 20600 S/147/61/000/001/009/016 /Z 0 E194/si84 AUTHORS: Yershov,_T.N_,, and Anyutin, A.N4 TITLE: Influence of the Radial Gap on the Boundary of Stable Operation of the Stages of an Axial Compressor PERIODICAL: Izvestiya vysshlkh uchebnykh zavedeniy, Aviatsionnaya tekhnika, 1961, No. 1, pp. 82-86 TEXr: Investigations at the TsKrI and elsewhere have shown that increasing the radial gap in axial stages of turbo- compressors displaces the boundary of stable operation towards higher flows. It is often assumed that this im a gencral law btit studies of instability effects cast doubt on this. The present article gives results of experimental investigations of the influence of the radial gap on the position of the boundary of stable operation of a stage of an axial compressor. The tests were made on a stage very similar in geometry to a stage K-50-1 (K-50-1) but with some difference in the shape of the symmetrical profile and with greater angles of blade installation. The blades -were laminar with rounded inlet and sharpened exit edges; the curvature corresponded to within 1 to 20 of that of the mean line Card 117 2o6oo S/147/61/000/001/009/016 E194/E184 Influence of the Radial Gap on the Boundary of Stable Operation of the Stages of an Axial Compressor of blade K-50-1 at the various radiuses. The tests were made on a stage with a runner diameter of 480 mm with peripheral speedA of the order of 70 m/sec. The boundary of unstable operation was taken as that corresponding to the commencement of rapid increase of pulsation of static pressure in the flow with reduction in the flow and was measured by a capacitative pressure pick-up. The Pick-up output was applied to a bridge: the bridge out-of-balance cut-rent was amplified and rectified and applies to a mirror bralvanomotor from which the mean energy of pulsation E could be read. In addition to matuouringv tho onergy of pulsation of static pressure, measurements were made of tho totp], 1141ad ovqr t1in stalro and the air flow through it. The apparatus was prepared by Engineers Ye.P. Butenko and G.V. Pavlenko of the Kafedra lopaBtny.kh i prikladnoy gazovoy dinamiki, Khartkovskogo Aviatsionnogo Instituta (Department of Bladed Engines and Applied Gasdynamics, Khar1kov Aviation Institute), Pig.1 shows variations in the energy pulsation and in stage head as function of flow for various Card 2/7 20600 S/147/61/000/001/009/016 8),94/1&,184 Influence of the Radial Gap on the Boundary of Utablo Optration of the Stages of an Axial Compressor radial Saps. The solid line corresponds to 6 = 0.5 + 0.6 mm; the dotted line to 6 = I t 0.05 mmi the chain dotted line to 6 = 2 1 0#05 mm; and the chain dotted line with two dots to 6 = 4 mm. The graph clearly shows the extension of the region of stable operation as the radial gap is increased. Fig.2 shows the change in the boundary of stable operation for different values of radial gap. The experimental results show that care must be used in assuming that the boundary of stable operation is always displaced towards greater flows when the radial gaps in the stages of an axial compressor are increased. The experimental results do not coTitradict the possibility that increase in the radial gap promotes formation of more intense annular vortexes at the ends of the blades,thus increasing the axial speeds and consequently reducing the angles of attack. Fig-3 shows the distribution of axial velocity beyond the runner blade of a compressor stage as function of the radial gap. The spatial motion due to flow through the radial gap promotes smooth flow over the end sections Card 3/7 2o6oo 5/1,47/61/000/001/009/016 E19VE184 Influence of the Radial Gap on the Boundary of Stable Operation of the Stages of an Axial Compressor of the blades. F1g.4 shows the distribution of total heads over a flat compressor blade near to the gap; it clearly shows the reduction in profile losses in the presence of a radial gap. Note should be made of the apprecialle reduction at the periphery of the angle of absolut4,.rjiipcity at output from the runner (see Fig.5), which may lead 'We formation of a moving~ breakaway zone on the blades close to tfie' I15'uide avaneu. This graph shows change in the direction of absollrk'e sW#ed at discharge front the rwinsir of the compressor for *',..On the basis-6f further and more strict consideration ii"";' tha~l the"padial gap ~aay I influences the positionof~ltw~ i~o~dwry of 4~e operation differently depending upon the special aerodynami6 features of the stage. There are 5 figures and 4 Soviet references. ASSOCIATION; Kafedra gazotermodinamiki i reaktivnyl0i dvigateley Kharikovskiy aviatsionnyy institut Card 4/7 (Department of Gas Thermodynamics and Jet Engines, Khar1kov Aviation Institute) T1T11.U,7