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SCIENTIFIC ABSTRACT A.S. FROLOV - B.V. FROLOV

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December 31, 1967
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SCIENTIFIC ABSTRACT
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a pe A~ I Ilk I )w~- I Et / I R + 9 F R 0 () V op Soo 44,bi~ FROLOV atoli te annyinh; SOYUZOV, A.A., doktor tekhn. nauk, prof., r__ retsenzent; KRUGLENKO, N.K., dots., nauchnyy red.; KSENOFONTOVA, ye.F., red. izd-val USANOVA, N.B., tekhn. red. [Over-all organization of the merchant marine and harbor opera- tions; theoretical principles]Komplekanaia organizatsiia raboty flota I portovj teoretichaskie osnovy. Moskva, Izd-vo "Morskoi trarisport.11 1962. 229 p. (MIRA 16:2) (Merchant marine--Cost of operation) (Cargo handling) KCRYAKIII, Sargey Fedorovich. doteent, kand.skon.nauk; BEWSHTNIN, Iosif Livovich, doteent. kand.okon.nauk; ELLINSKIY, Turiy Fedorovich, starshly prepodavatell; DOLITSKIY, Ya.I., prof., doktor 3kon.nauk. reteenzent; GEMMSOY-TSIBIZOV, A.A., starshiy prepodavatell, retsenzent; FROLOV, A.S., doteent, kand.tekhn.nauk. reteenzent; KRU(MNKO, ZOWTUCHIN, Yu.... obBtchiy red.. V redaktirovanii priximali uchastiyr: OGANOV, N.K., dotsent. red.; DUBCHA. V.Kh., in3h., red.; XARTIROSOV, A.Ye., inzh., red.; THARIKOV, G.I., starshiy nauchnyy sotradnik, red.; KRASMMIKOV, Y.G., doteent, kand.okou.nauk. red.; GEXHTBARG, Ye,A,, inzh.p red.; SHCHBGOLET. G.G.. iuxh., red.; PRILUTSKIY, N.A., inzh.. red.; KANTOR, L.M., doteent, kaud.ekon.nauk, red,; KUZIMIN, T.r., inzh., red.; FMIPPOV, K.D.. red.. KUKOPONTOVA, Ye.F., red.izd-va; TIXH0- NOVA, Te.A., teklin.red. (1conomics of water transportation] Pod obahchei red. IU.A.Zolotukhins. 1959. 391 P. Zkonomiks morskogo, transports. Moskva, Izd-vo '"Worskoi trans ortat 0(,RA 13:33 (adpping-pinance) -FROLOV, A.S. Finishing if imitation far fabrics with a knit base. Tekst. prom. 21 no. 4:26-29 Ap 161. (MIM 14:7) (Furj, Artificial) (Textile machinery) ~~- z, -, .. . I z 7 TALYZIN, Mikhail Dmitriyevich; LIPKOV, losif Abramovich; MAKHNOVETSKAYA, Rita BorisovnA; DOROFEYEVA, Lyudmila Sergeyevmj KUDRYAVTSEVD.S., retsenzent; DMITRIYEV, I.I., retsenzentj FROLOV,, A.S., retsenzent; SHTEYNGART, M.D., red.; VINOGRATDVK-.Z-.r.-,-tekhn. red. (Pile fabrics and artificial fur]Vorsovye tkani i iskusetyam- nyi mekh. PoVobshchei red. M.D.Talyzlxa. Moskva, Rostekh- izdat, 1963. 351.P. (MIRA 16:4) (Artificial fur) (Textile fabrics) 171 C' F&IU-J A. G. V'ii Riscllct kilor'letrovykh raskhordov froriucliet-v ~~dia sa-,olcta s '"-letatell nynd dodffateliw-d. llosl~-ra, 11-1~0. 104 !). ( 2SAGI. Tr -d.,,, nu q'Ltle tr.: Calculat*r).- of specific fuull ow- !.:!-i IIc~ r ai r craf t (-,.,.,,aL,pped witi bnos%er fuel. pu ps. SO: Aerow-tical Sciences and Aviation in the Soviet Union, Tdbrary of Congress, 1955 AUTHORSs Gellfand, I.M., Yulla,_~.S. and Chentsov,N.N. SOY/140-58-5-4/14 TITLEs Calculation of Continuous Inte,,;rals With the Monte-Carlo Method (Vychisleniye kantinuallnykh integralov metodom Monte-Karlo) PERIODICALz Izvestiya vysshikh uchebnykh zavedeniy. Matematika, 19589 Nr 5? PP 32-45 (USSR) ABSTRACT% This is a survev consistinrg, of 10 paragraphs and a summary. The application of the Monte-Carlo method for the calculation ot integrals of high ( even of denumerable) number of variables is discussed in many aspects. The Soviet contributlons (Bak*nvalov, Korobovp the authors, Kolmogorov, Soboll) an well as the western contributions in this now direction are ap- preciated. The authors present some interesting examples (diminution of dispersion, determination of the trajectory for the BrowniLa motion etc.). In the text 4 Soviet and 7 American papers are mentioned. ASSOCIATION: Matematicheskiy institut imeni V.A.Steklova AN SSSR k/Mathe- matical Institute imeni V.A.Steklov AS USSR) SUBMITTED: December 6f 1957 (Date cf Lecture,Leningrad) Card 1/1 3/024/60/000/005/007/017 0')'m (also 1-3, ~ 4 1/) B073/E435 AUTHORS: Timofeyev, D.V. and Frol2y_, A.S. (Moscow) _A.L~ TITLE: A Probability Method of Calculating Non-Symmetric and Non-Sinusoidal Regimes in Electrical Systems PERIODICAL: Izvestiya Akademii nauk SSSR,.Otdeleniye tekhnicheskikh nauk, Energetika i avtomatika, 1960, No-5, PP-131-134 TEXT: The authors recommend that the method of probability should be used for investigating the conditions of operation of electrical systems in the case of existence of non-symmetric and non-sinusoidal loads, which vary at random and are practically independent for the individual phases. The approach to the solution does not change when there is a correlation between the phenomena under investigation. It is stated that this method can be used to obtain the integral distribution laws for the quantities under investigation f'rom the given laws of distribution of non-symmetrical and non-sinusoidal loads and from their maximum values on each phase on the secondary side of the transformer. The voltage at any point in a complicatod electrical system and the cuj;rents in all its branches can be determined if the load currents Ik are known for all the three phases at each point k If the system under consideration Card 1/5 85061 S/024/60/000/005/007/017 E073/E435 A Probability Method of Calculating Non-Symmetric and Non-Sinusoidal Regimes in. Electrical Systems has linear parameters, it is sufficient to use the super-position principle. Thus, for example, using the matrix notation, the voltage at a point j is in general given by i sij + ~* iki-li sk k I where is the system of emf's in the i-th branch, ~sij is the matrix of the distribution coefficients for the symmetric voltage components for the point j with respect to the symmetric emf* components in the i-th branchl iskj is the matrix of the total resistances for the points k and j with respect to the symmetrical components of the currents and voltages of any frequency, S and g-1 are the coefficients which ensure conversion from phase quantities into symmetric components and vice versa, n and m are the number of given currents and emf's. Card 2/5 S/024/6o/ooo/oO5/007/017 E073/E435 A Probability Method of Calculating Non-Symmetric and Non-Sinusoidal Regimes in Electrical Systems For a three-phase system with equal parameters for each element of all the phases and qqual mutual parameters for each pair of phases, the matrices Csij and zskj will be diagonal. Therefore, for any frequency the calculation can be carried out separately for -the currents and voltages for each of the three sequences, using the appropriate equivalent circuit. In the general case we obtain for the circuit of each sequence gs m . . n EiCgii , Z 'k'gkj k=1 However, if the system of positive sequence of the basic frequency is not considered, the voltage of the appropriate sequence is determined from the following expression: m 'F8 iIiej Card 3/5 t 85061 S/024/60/000/005/007/017 E073/E435 A Probability Method of Calculating Non-Symmetric and Non-Sinusoidal Regimes in Electrical Systems Non-symmetric loading can be constant or variable with time. The solution is considered for the general case when, in addition to constant loads of the system, there are loads which vary at random with time independently of each other. The following two possible cases are considered: the active and the reactive components of the current of each single phase load t vary independe4tly; the active and the reactive components of the load current I'&u relative to the voltage does not vary when this current changes. On the basis of this method, caloulations were carried out at VNIIE which enabled elucidating the dependence of the voltage and the current of the positive and the negative phase sequence in the presence of random single-phase traction loads in electrical systems. It proved possible to carry out these calculations in a short time on the "Strela" computer, for complicated electrical systems with a large number of widely spaced traction loads. Comparison of thi.~ :-..zfhod of calculation for the expression without the imaginary part (whic;. can be calculated graphically) showed Card 4/5 77 1 psec 40-50 %. For the time dependence of the energies the situation is analogous. The authors thank 1. M. Gellfand for collabora- tion. There are 6 figures, 3 tables and 8 references: 6 Soviet-bloc and 2 non-Soviet-bloc. SUBMITTED: JulY 7, 1961 Legend to the Tables: 1) 9 in degrees, 2) R in meters; the intensities are given in Card 4/5 7 57, The propagation of the y-radiation of a ... 6D (3) Pawronusle H"OvIums. A Yron 8. rP3,IYCbI 250 500 1 00 (P.R-n-03) (ASR=4.061 0- 10 16,0 -.11A 10,4 -4 10 0 37, 1 37,7 32" .9- -90 0 4 27 8 , 32 3 28.0 90-180 17 10 t0:5 27,7 Tab Card 5/5 22877 S/089/61/010/005,1005/015 llac-cTumme oT mc-ri"IH11112, A 250 (P.11-:1,03) (AJ5-2.08) t 00 (P.M.12) 0-10 39,3 24 14 5 10-40 27,1 32 7 M 4 40-90 20.7 28,0 27,6 90-180 12,8 14,3 20,5 Table 3 V< AVAYEV, V.N.; YEGOROV, Yu.A.; ORLOV, Yu.V.; FROLOV, A.S.; CHENTSOV, NA Fast neutron spectrometer vith a boron hydride acintillator. Prib. i tekh. ekBp. 8 no.409,45'Jl-Ag 163. (MM 16:12) ACCESSION NR: AT4019064 S/0000/63/000/OCJ/0289/0303 AUTHOR: Avayev, V. N., Yegorov, Yu. A.','Orl6v, Yu. V., Frolov, A.'S., Chentsov,.N.N. TITLE: Computation and analysis of the chaYacteristics of a-spectrometer with a.boron-. hydrogen scintillator -0 of SOURCE: Voprosy* fiziki zashchity* reaktorov;'sbornik statey (Problems in physic reactor shielding; collection of articles). Moscow, Gosatomizdat, 1963, 289-303 iTOPIC TAGS: nuclear reactor, reactQr shielding, spectrometer efficiency, xylene borate ;scintillator, phenylcyolohexane borate scintillator, radiation dosimetry, scintillation spectrometer, boron hydrogen scipt[Hator, neutron energy, yield nucleus method, twin sensor spectrometer, neutron spectrometer ! ABSTRACT: Among the methods for determining the energy of fast neutrons, the authors call particular attention to the yield nuclous method, noting that a special position i i this method is occupied by scintillation. spectrometers. Twin-sensor fast-neutron spectrometers. are described and their operational principlervare briefly analyzed. It io pointed out that fast-neutron spectrometers with two sensors can operate only with collimation of the neutron' *.'Ystream. The limitations imposed by this circumstance, particularly with reference to the ,study of fast-neutron spectra behind shiol,ding, acre noted. The subject of speotrometers Card ACCESSION NR: AT4019064 with one hydrogen-containing sensor is introduced. The discriminati6n of the gaifima-back. 1 ground in these spectrometers is accomplished through the difference in the glow time of the scintillator when exci' ted by.protons and electrons. It Js further noted that spectro- 4 meters with a single hydrogen-containing sensor are capable of operating without a collima- tion. device. T"he lower boundaLTy of the measurad netjtron energy levels is normally not less' than 0. 7 Mev. While such instruments have been used for a wide variety of test purposes, the author observes that spectrometers with a hydroge'n-containing sensor cannot be used 1; for measurements against a high gamma-background.. The single-sensor scintillation spectrometer, the scintillator of which contains hydrogen and boron, and which was proposed by Marshall (Bull. Amer. Phys. Sec. j 27, 11 (1952)), is described in detail and its ad- vantaged are analyzed. It is noted, however, that the data necessary to permit the actual construction of such a spectrometer are lacking inflie available technical literature. The following values in particular, are unknown; 1) theefficiency of the spectroifietor as a function of the energy of the neutrons; 2) the efficiency as a function of the volume of the scintillator and the ratio of the hydrogen and boron concentratiops in it; 3) the timd distribu-~ tion of the pulses from the alpha-particles (with the time read from the moment of the first scattering of the neutron); 4) the energy resolution of the spectrometer as a function of the informa- energy of the neutrons. Noting that attempts ba%c been made to supply this lacking tion manually by meus of the Monte Carlo method, the results of which have made It Card 2/5 ---------- "ACCESSION NR: AT4019064 possible to draw certain useful. conclusions leading to an initiatton of work on the design of a spectrometer, the author calls attention to the failure of the manual method of calculation to provide a complete *picture of the required characteristics and the groat am6tint of Ume such computation techniques necessarily con-sume. The present article, therefore, reports a detailed computations of the characteristics of a bornn-hydrogen scintillation-type spectre- I meter, conducted with tjic aid of an electronic computer. In individual sections of the paper: the author discusses the formulation of the problem, the actual computation of the spectro- meter characteristics, the fundamental block-diagiam of the program used to carry out the spectrometer characteristic computation described in the article and, finally, tin analysis of the results of the computation, on the baBis of which all the laws characteristic of a spectrometer with a boron-hydrogen scintillator are explained. The author learned, among other things, that: 1) Spectrometer efficiency as a function of the resolving time of the 11 Poincidence circuit has a maximum value, the position of which (on the various graphs and I-Purves plotted in the arUcle) is different for scintillators of different dimensions and com- t. position; 2) Spectrometer efficiency is directly proportional to the concentration of boron , nuclei. 3) The efficiency maximum is more distinctly expressed for scintillatore with*a higher concentration of boron nticlei; 4) The efficiency maximum is less clearly expressed for large volume scinUllators: 5) The efficiency maximum is less clearly expressed fer a cylindrical scindUator than for a spherical one with identical diameters of the sphere and 3/5 Card I ............ ACCESSION NR- AT4019064 cylinder base, and is shifted IIh the direction of greater coincidence 'circuit resolving time. The results of the computation' and analysis of the c4racteristics of, a scintillation spectrometer with a boron-hydrogon scintillator showed that, of all ~he compositions, considered, the most suitable is a mixture of equal carts of xylene ( methylbenzeno).or phenylcyclohexane with trimet'hyl borate with boron P10 enriched to to%, 'poured into a vessel 80 mm in both diameter and height. The resolving time of thq coincidence circuit in this case should be cqu~l t6 approximately 1. 5 microseconds. On the basis M the study, the block-diagram of the spectrometer shown In -Figure 1 of the Encl6sur~ was adopted for development. In order to reduce the number of random coincidences, a single-6hannel. pulse amplitude 6aialyzer was introduced into the spectrometer control circuit. Origi'art. has: 11 figuresi and 13 formulas. ASSOCIATION: None SMUTTED: 14Aug63 DATE AM 27Feb64 ENCL- 01 SUB CODE: NPj, OP NO REP SOV: 010 OTHEA.- 008 Card 4/5 ACCESSION NR: AT4019064 ENCLOSURE: 01 Fig. 1 - Proposed block diagram of a boron-hydrogen scin.;Ilation spectrometer: 1) C - scintillator; 2) K 11 - cathode follower; 3)/.;.)~ photomultiplier; 4) r7ye - preamplifier; 5) Yc - amplifier; 6) /7Yc - linear amplifier, 7),r3- delay line; 8) CC - coincidence circuit; 9) ~9 - blocking unit; 10) ~ K - electronic key; 11) OA - single-channel pulse amplitude analyzer; 12) PO - regulating monovibrator; 13) 0 - limiter; 14) AA - multichannel pulse amplitude analyzer.. Card 5/5.-,. loll -10 11111 RM IMMUNE- 118 A,V., GRECHINp V.P.; CHUPRIN, K.K.; FROLOV SONYUSHXIXA# A.F. Vacuum metallurgy of nickel alloys. Issl,po sharoprooplav* W21~-229 162. (MIRA 16:6 (Ifickel alloys-Metallurgy) (vacuum metaliurgy~ S/133/60/000/006/001/002 AUTHORSt Frolov) A. V., Grechin, V. P. TITLE: Lining of Vacuum Induction Furnaces PERIODICAL: Stall, 1960, No. 6j PP- 515-517 TEXTt Refractory materials for lining vacuum induction furnaces are liable to deoxidation on the boundary between the lining and the metal. The extent of this reaction depends on the chemical composition of the metall the heat condition and the duration of the process, the vacuum applied, the grain size of the refractory materialp etc. In order to establish the effect of the crucible lining on the composition and the me- chanical properties of the metal a nickel base alloy was teqted in high- frequency furnaces of 5-50 kg capacity at a vacuum of 5-10- - 5-10-3mm Hg for 20 minutes. For the furnace lining non-fused arA fused magnesite, electrocorundumlfnon-fused and fused zirconium dioxide'O"and non-fused beryllium oxide were used. In the tests on non-fused lining materials, the crucible was made from magnesite with 1-5% boric acid as binding material. It was found that the content of boron in the alloy obtained was 2-2-5 times higher than the amount calculated, the quantity of oxygen Card 1/4 S11331601000100610011002 Lining of Vacuum Induction Furnaces 3-5 times gre4terp that of hydrogen and nitrogen 2 times lower than in alloys produced by the conventional methods. The boron concentration was due to its reduction from the boric acid of the lining by carbon contained in the metal (Hof. 1); magnesium was also reduced from the lining. Similar phenomena were rec;iotered when testing crucibles containing zirconium di- oxide and beryllium oxidoo Thus the oonolusion atiUld be drawn that non- fused refractory materials and boric acid as binding material were not suitable for crucibles in vacuum induction furnaces. When testing crucibles of fused materials it was found that the temperature, the grain size of the refractory material and the density of the ramming of the crucible have an influence on the chemical composition of the alloy* When using finely grained corundum, the aluminum amount in the alloy due to reduction of the lining was smaller thAn when applying ooArasly grained corundum due to a denser surface obtained with finely grained material and the contact sur- face betwepn the crucible and the metal was smaller, When applying fine- ly grained oorundump the aluminum and the chrome content in the metal at 1,5000-1,53QOQ dQ not differ greatly from the calculated values. The deviations Increase only at temperatures above 19570004 In the case of coarsely grgined corundum, the deviations are already evident at 1,4500C. Card 2/4 Lining of Vacuum Induction Furnaces S/133/60/000/006/001/002 At 1,5700C the aluminum c_~ntent is 10% higher, the chrome content 4% lower han calculated. In the tests with fused zirconium dioxide, (5-10- mm Hg) 0-04%-0-13%'0f zirconium was found in the metal, deteriorating the properties of the alloy. However, upon adding 0.05%-0.10% of zirconium to the same nickel base alloy and using a magnesite crucible under heat conditions equal to that of the prcvious tests, it was found that the notch impact strength and scale-resistance do not alter. Thus-it may be assumed that the deterioration of the metal properties was not due to zirconium reduced from the lining, but rather more to the products of deoxidation, which increase the oxygen content of the metal. When applying fused magne- site and electrocorundum which are suitable for crucibles, the essential features of the process were the following& the induction coil was coated by a mixture of 50% ZrS'04 and 50% of powdered quartz or K230 (K230) type electrocorundum. After coating, the coil was exposed to air for 8 hours and then sprayed with hydrolized ethylailicate (Ref. 3) and coated from the inside with glass fabrics. The dry refractory material for the cru- cible was wetted up to 4% by a solution of 200 g dextrine in 1 1 warm water and stirred. The material was rammed in the metal pattern of the crucible. After drying for 12-20 hours in air, the furnace was switched Card 3/4 S/133/60/000/006/001/002 Lining of Vacuum Induction Furnaces for 4 hours to low capacity, then the furnace temperature was raised for 4 hours until the metal started melting.,'After two "washing" amgltings (one with pig iron and one with-ii ores up t01,8000-1,850 C) the crucible was ready for use. Crucibles of magnesite and electrocorundum could be used for 60-200 smeltings. There are 2 figures and 3 Soviet references. ASSOCIATIONa VIAM Card 4/4 BUTYLOCHKIN, Mikhail Ivanovich; FROLOV, A.V., red.; PITMIAN, Ye.L., red. izd-vaj LCBANKOVA; R.Ye,; tekhn. red. (The TU-2M diesel locomotive for a 750 mm gauge track; basic design and operation] Teplovoz TU-2M kolei 750 =; ustroistvo i ekspluatatsiia. Moskva, Goslesbumizdat, 1961. 150 P. (MIRA 15:4) (Diesel locomotives) AIZABIYEV, Viktor Ivanovich; FROIDV, AN., red.; PLESKO, Ye.P., red. izd- va: KU21ETSOVA, A.Is') ---- teldih .- i-ed-* (Timber skidding winches] Tralev6chvye lebedki; uchebroe posobie dlia lobedchikov-uchashchikhsia leaotakhnicheakikh shkol. Mo- skva, Goslesbumizdat, 1960. 193 P. (MIRA 14:10) (Winches) (Luipbering-MachineV FROLOV, 4-1.. V. USSR/Medicine - Nervous System Medicine - Hearing may/Jun 1948 "Fatigue of the Organ of Hearing in the Light of the Study of the Fundamental Physiological Gharacteristics of the Gentral Nervous System," P. P. Kudryavtsev, Otorhinoluryngologist, A. V. Frolovp Acoustics Engr, 6 pp "Vest Oto-Rinc-Laringol" Vol X, No 3 Presents various methods employed for studying effects of fatigue on the ear. Determines new waves to induce experimental fatigue, by exrx)sing the ear to prolonged soundw. PA76T57 POROYKOV, I.V., prof,; FOFOV, M.F. Edeaceased], starshly nauchnY7 sotrudnik, MWV,_A.Ylj_SHIVKOWVICH, O.V. Method for measuring large doses. Trudy TSentr. nauch.-issl. inst. rentg. i red. 10:190-196 '59. (MIRA 12t9) (X RAYS-MUSUMMEOf ) FROLOV, A.V, Engineers and technical workers as active organizers of communist labor competition. Tekst. prom. 25 no.3-:8-11 Mr 165. (MIRA 18;5) 1. Instruktor Moskovskogo gorodskogo komiteta Kommunisticheskoy partii Sovetskogo Soyuza. . . ,FROLOV A V inzh. (Yaroslavl') Modernization of the VIIS-111 machine tool for classifying radiators. Vod.i san.tekh. no.5:37-38 I-tr 162. OURA 15M (Radiators-Testing) KOZENKO~ A.B.; ZONTOVI A.K.; KOPTSOV, V.S.; EKL-Q-V,--AVW red.; ZAGOSXINA, G.V., red.; SHENDAREVA, L.V., tekhn. red. I (Automated continuous production line for the manufacture of fib3rboards]Avtomatizirovannaia potochnaia liniia dlia pro- izvodstva fibrolitovykh plit. Moskva, TSentr. in-t tekhn. informatsii i ekon. issl. po lesnoi, bumazhnoi i derevoobm- batyvaiushchei promyshl,, 1962. 68 p. (MIRA 16:4) (Fiberboard) (Assembly-line methods) TAUBER, Boris Abramovich, prof., doktor tekhn. nauk;.ZROLOV A-V-, retsenzent; MUSINYAN, TA, red.; PROTANSKAYA, LV., red. izd-va; VDOVINA, V.M., tekhn. red. (Hoisting and conveying machines] Pod"emno-transportnye ma- ohiny. 2. izd. 'Moskva, Goslesbumizdat, 1962. 633 p. (MIRA 16:5) 1. Glavriyy konstruktor Gosudarstvennogo instituta po pro- yektirovaniyu novykh mashin dlya le3ozagotovok i splava (for Frolov). (Hoisting machinery) (Conveying machinery) RYASHENTSEV,.N.P., kand.tqkhn.nauk; FRLLOV, A-.V,, inzh. Magnetic flux distribution in ar, electromagnetic hamer. Blaktrotekhnika 35 no.404-56 Ap 164. NIRA 17:4) MINKEVICH, L.M., Inzh.; RYA,',H13NT-"EV, N..~., ~-LnJ,tekhn.nauk; TIMOSHENKO, Ye.M.J. inzh.; FROLOV, A.V., inzh. Study of electxomagnetic hammers using an analog computer. Elektrotekhnika 35 no.12i'8,-,/O D 164. (MIRA 18:4) ARTFAMOVp AeVey dotsent, kand, tekhn, uauk;-FRP4g,_A,V,., gornyy inzh.; KCREPANOVp ri.A., doteent,, kand. tekhn. nauk; MCROZGV, I.F,,, inzh, Response to 0.1. Chernov's and V,N& Puzyrev's article "Gas emanation from coal.* Ugoll 40 no.11:72-73 165. (MIRA 18:11) 1, Novocharkaoskiy politekhnichookiy institut (for Artemov, Frolov). 2. Donotskiy politeklinichaskiy inatitut (for Korepanarp Morozov). IM RYASHENTSEV, N.P., kand. tekhn. nauk; 'IALCV, A.T.; KAZaNiv, V.D.; TIMCOHENKO) YeA, kand. tekhn, nauk; FROLOV, A.V., kand. tekhn. nauk Introducing a riveter with an electromagne*.Ic percussion unit for riveting hinged joints. Biul. tekh.-ek7n. Inform. Goo. nauch.-isal. inst. nauch. I tekh. Inform. 18 nojo:lE~-19 0 '65. (MIRA 18:12) FROLOV, A.Yo. . leader In combine harvesting) Master kombainovoi uborki. Moskva H-vo sellskogo khoziaistva SSSR, 1955, (MIRA 11:5; (Combines (Agricultural machinery)) FROLOV, B. How we cut down idle ti-m in our industrial plant. Sov. profsoiusy 6 no. 11:32-34 5 '58. WaA 11:10) 1. Predeadatell kowlesil po proisvodetVoilio-massovoy rab.,)te savkoma profsoyusa PensecglMgo sayods khimic0dikego mashinostroyeniya. (Penza-4schinery Industry) FROIDV, B.A., aspirant Effective means for the control of chicken mites. Vaterinariia 40 no.10:58-61 0163. (MIRA 17:5) 1. Voesoyuznyy nauchno-issiedovateltakiy institut veterinarnoy sanitarii. FR (I OV S.A., starshly nauctinyy sot.riOnIlk Chlorophos in the control of tte :7f Ve LorinarMa '141 no.9tI02-103 S 1(j.. (MIRA 18t!,) 1. Vsc%sLyuznyy nauchno-I s sled ovata I I skiy in3tibit veterinarnoy FROLOV, B.A., starshiy nauchnyy sotrudnik &terthination of chicken mites. Veterinariia 41 no.10:74-75 0 164, (~IIRA 18:11) 1. Vsesoy-uznyy nauchno-isoledovatellskiy institut veterinarnoy sanitarii. Boris Alekneyevich, kand. Nater. nauk; SAYTANIDI, V.I.,., rEZ [External parasites of poultry and measures for their control] Naruzhr7e parazity ptits i mery bor'by s nimi. Moskvap Kolos, 1965. 93 P. (MiRl i8:10) 5 (4 s -~11/7 6 - 3 ). - 2 - 2 3 114 u -olov A. A., 71~;ol,.,v, Fi D , TITLE: T.-~e 1!oat of' Adror:~tion of Nny-~,,.j o,-, Silica Go!.- (Terlota ntlriorbtsii nor-!i-~lInyl:h nl!:a-.ov na, sili',.-a~;cle) IRIODICAL: Zinirnal fizicheoll,oy i:nii, 1' I- j. Vol Nr 2 , 309 - 35 AP'JTI'ACT: In continuction of the -.,,,-)rk of previous i -.- o r s(Refs 10,11, 16 - 19) t1w, ht~at of tion (1i ) or n-pontane (I) and n-octanc (II) on co7,rrpl.~- poy-ous .9-lica r'els viao measu----1. An adsorption calori-actric :zppavatuo was used which iz a simplified variant ('ef 2')) in cooperation with G. G. "Itittik -and -,i-ill be Je.,;er~-.!~.?d As in the other paVers (R-a."3 -10.,11,17,16) a hor-.ut-eneously pal-oussili- ca gel 72 with a s1pecific ourface of ) 0 m2/c and .j. d i a'-.!eter of about 100 R vmc uor,~. A co.,:7,trinoz, of the ob- tain,A ab~~-olute :t!:7or.-.'Wion i.-ot'rcrms 'Fi~7 1) for (I) nnd (IT) t'-osc for n-hexine a.,,d n-hcjA~,?-,e on t',,e same zilica jel (Ref 10) !-110-1-X t'~Lt the (AH.) from pertane to octane increacos ,md it~- ir noL a t*-c BET equation. Card 1/ 2 Since tho c:)nstant of the in--!-,.,-tion int--,r-intion with the 11 The- 11cat. of Adoor.-Aion of 1,.-ir:-al '-V~nnes on ~;r:ln Xv/76-33-2-23/45 AS"SOCT,liTIONT SUBMITTED: Card 2/2 electro:7t,itic ficId is proi,ortinnal to thu po.larizability of the n-al',~,_rvs +.",,c on the silica gel -ilso inrroa!tec linonrl.,- -.-,;Jt!-, tl-,(.- nu-il..'er of carbon ntomz I A in the V!e o1 n ( n. num!)Or Of (","..--bOn ~'tur.f-)(i'~if tne ('iH) of 'ho n,11-ailer wiorc for :~t!,:or: tior, on silica , fo D-f .,atcr (Ref 2 carbon bl-.ck (Rc 01 7 Inhe -;~iliic3 for nror c:ln bo calculatel from the follow-i-c e~"II:AIO!~: Adsorptior on ,arbon bl.,1C.1- Q. 7 i 1 r kcal/mol (n. numb~!r of c..irl.3ns) 0 it I r ME 0 it It of Sil-ica gej. I'SE-2 it He-its of ccr,'onsatic-i L. Ir C 7/-'~A Adsorption on vator .i a 1 71+0.7 zi kc~~I/nol . M-re are 3 fi,-,Ures, 1 trilblo, 27 24 of --lich Z!.re Soviet. 11onk-ovski-Y gosudarntvennyy unive;-:!.1tet; im. V. Lomonnsova Jilly 17, 1957 S/08IJ61/000/009/004/015 B101/B205 AUTHORS: Muttik, G. G., Frol B~. TITLE: Adsorber with automatic calorimeter designed for measuring the adsorption heat of vapors PERIODICAL: Referativnyy zhurnal. Khimiya, no. 9, 1961, 154-155, abstract 9E35 (9E35) ("Tr. del ,Inevost. fil, Sib. otd. All SSSR. Ser. khim.11, 1960, vyp- 4, 83-87) TEXT: A description is given of a calorimeter and an adsorber which are used to determine the isotherms and heats of adsorption of a series of hydrocarbons on coarse-grained silica gelKC/(-2 (KSK-2). The calorim- eter features constant heat exchange and has an automatically controlled jacket. The calorimeter, its measuring and control equipment, and the adsorber are schematically shown. [Abstracter's note: Complete transla- tion. .7 Card 1/1 I KISELEV, A.V.; FROLOVt Isotherms and differential heats of adsorption Cc some alkanes and naphthenes on silica gel. Kin.i'kat. 3 no.5:767-773 S-0 162. (IURA 16: 1) 1. Moskovskiy gosudarstven-nyf universitet imeni Lomonosova, khimicheskiy fakulltet i Dallnevostochnyy filial Sibirskogo ctdeleniya AN SSSR. (Paraffins) (Naphthenes) (Heat of adsorption) KISELEV, A.V.; FROLOV,_B.A. Isotherms and heats of adsorption of vapors of aromatic hydro- carbons on silica gel. Kin.i kat. 3 no-5:774-783 S-0 162. (MIRA 16:1) 1. Moskovskiy gosudarstvennyy universitet imeni Lomonosova, khimicheskiy fakulltet i Dallnevostochnyy filial Sibirskogo otdolaniya AN SSSR. (Hydrocarbbna) (Heat of adsorption) (Silica) FROLOV . B. A. " ~, Adsorption and heat of adsorption of some alkyl benzenes on silica gel. Soob. DVFAN SSSR no.18:27-33 163. (MIRA 17:11) 1. Dallnevostochnyy filial imeni Komarova Sibirskogo otdeleniy-a AN SSSR. FROLOV, B.A. Isotherms and heats of adsorption of some naphthenes on silica gel. ',oob. MAN SSSR no..18:355-40 163. (MIRA 17 1 U) 1. Dallnevostochnyy filial imeni Komarova Sibirskogo otdeleniya AN SSSR. - 7, - ~5-,z tff-~,:-KT '-f 7--Z? %=-- -,- -- . I . I % ~. - - W . ." - - lmet~,Yld i crnw n ios--nate ai a means f c,-,- n '-,r p ultry milteo. Veiarinariia 41 no-5:99:-100 '64. 1. Brattgovskaya ptitoefabrika. FROLOV, B.A. Automation of an adsorption microcalorimeter. Trudy MAN SSSR.Ser.khim. no.7:64-67 165. (MA 18:12) ByKovt V.T.; GOR'YkOVSKATA, V.T.-, FROOV, B,A. Isotherms of adsorption and of dififti-,,~rAi-,j of berizene on montmorill.orjite,, No.1, Tru.iy- E, S"er.k1jim. no.7352-58 165, Isotherms of adsorpUon and ,)f d*lif*fpro,!,,t!,-il I.,' of benzene -on kticlinite. No.2. DYKOV, V.T.; GORIKOVSKAYA, V.T.; FROLOV, B.A. Isotherms and heats of adsorption of benzene vapors on some argillaceous minerala, Kin. I kat. 6 no, 6tlC73-1079 N-D 165 (MIRA 19i1) 1. DELltnevostochnyy gosudarstvennyy universitet. Submitted February 26,, 1964. 18(5), 8(5) SOV/1 1Z-59-5-9051 Translation from: Referativnyy zhurnal. Elektrotekhnika, 1959, Nr 5, p 91 (USSR) AUTHOR: Frolov, TITLE: Transients in the Electric Motors of Face Equipment PERIODICAL: V sb.: Avtornatiz. i elektrifik. v ugol'n. prom-sti, M., Ugletekhizdat, 1958, pp 27-65 ABSTRACT: Electromagnetic and mechanical transients in a double -cage -rotor induction motor are considered with an allowance for magnetic -circuit saturation and skin eff ect. Methods for computing the forces in face-equipment transmissions set up by motor starting, abrupt speed change, or a short-circuit are indicated. The following equations serve as initial expressions: transformations to the rotating coordinate axes, a set of nonlinear induction- 2notor differential equations, an electromagnetic -torque equation, and a motion equation. Three-phase short-circuit conditions of the induction motor are considered as a combination of steady-state and starting conditions. The set of Card 1/2 SOV/112-59-5-9051 Transients in the Electric Motors of Face Equipment equations is solved by the successive interval method. This permits considering the equations, within a small interval, as linear equations with constant coefficients. The latter are solved by the operational -calculus method. Magnetic -circuit saturation and skin effect are taken into account by modifying the induction-motor principal parameters for various currents and slips within each interval. Experimental investigations were conducted on types MAD-191/11m, MA-191/10k, and KO-12/4 motors under no-load conditions. The electromagnetic torque developed by the induction motor was determined from an oscillographically-recorded acceleration curve. Acceleration was recorded by an accelerometer with a carbon-type primary element. Calculations and experimental data showed that the starting electromagnetic torque of a double -cage -rotor induction motor can exceed its rated torque 3-4 times. On a three-phase short-circult, the initial torque can exceed the rated torque 5-7 times. Mechanical breakage in mining machinery is attributed by the author to the above causes. Card 2/2 V. V. G. 46 SEMENOV, !.A., inzh.; FROLOV B.7. inzh. Electric drive control circuits for twin interchangeable units. Obog. i brik. uglo no.6:37-41 158. (XIRA 12:7) (Kachinery-Blectric driving) SEMETIOV, I.A., inzh.: FROIA)V, B.F., inzh. Ways of simplifying electric drive control diagrams and increasing their operational reliability. Obog. J brik..ugl. no.8:2&-34 158. (MIRA 12:10) (Electric driving) (Automatic control) FROLOV, B. F.: Master Tech Sci (diss) -- "Invest '.gat ion of !:he transitory pro- resses in electroi-mtive- face-cuttin.- machines". elosco~,, 1951. 14 pp (Main Admin of Sci Res and Design Organizations of the Cosplan USSR, k-11-Union Sci Res Coat Inst VUGI), 150 copies (K]., No 13, 1959, 10i) ROSENRAULI, O.-B., kand. tekhn. nauk; RODIN, R.N., inzh.; FROLOV, B.F., inzh. Universal diagram for automatized medium voltage electric drives for the remote control of working machinery units. Obog. i brik. ugl. no.q: 70-73 '59- (MIRA 12:9) (Machinery-19lectric driving) (Remote control) SEMOV, I.A., insh.; BOGATIKOV, A*8:, lnzh.; IROLOV,'B.P., lnzh.; XANUNNIKOV, V.B., tekhn1k Apparatus for relaylems electric drive control circuits used in coal preparation plants. Obog. i brik.ugl. no-10:4245 159. (MIRA 13:9) (Coal preparation plants-Electric eqnipment) ROSMBAULI, O.B., kand.takha.muk; RODIN, R.N., inzh.; FROLOY, B-7.9- lnzh. Speed stabilization of asynchronous motors for automatic electric drive-circuits' used in coal preparation and briquet plants. Obog. i brik.ugl. no.1006-49 159. (MIRA 13:9) (Blectric motors, induction) (Coal preparation plants--Electric equipment) 7, 77-7 W, Boris Fedo=mIrjU. kand.takhn.nauk; HIMTZV, Turiy Alakeandrovich, inzh. Prinimal uchastiye 53MENOT, I.A., inzh. KaUMM. A.A.. otv.red.; ABARBARCHN, IF.I., red,izd-va; BOLDYRZVA, Z.A., tekha.red. [Slectric equipment of coal preparation and briquetting plants) Ilektrooborudovanie ugleobogatitellnykh i briketnykh fabrik. Moakva, Goe.nBuchno-takhn.izd-vo lit-ry po gornomu delu. 1960. 312 p. (MIRA 13:12) (Coal preparation plants--Electric equipment) (Briquets Mel)) FROLOV, B.G., inshener. laureat Stalinskoy premii; DORMIDONTOV. N.K., ------a-5TVo-r tekhnichaskikh nauk, professor; CHERM. N.Te.. redaktor; VOLCHOK, K.M., tekhnicheskiy redaktor. (continuous production in wooden shipbuilding] Potochnoe proizvodstvo v dereviannom sudoetroenti. Pod red. W.K. Dormidontova. Leningrad, Izd-vo Kinisterstva rechnogo flota SSSR, 1952. 207 p. Merofilml MRA 7:11) (Shipbuilding) YAMMOV, Georgiy Vladimirovich; SUMMV. A.1., rateenzent; FROLOV.-B.G., redaktor; IBMIM, K,Z., redaktor isdatelletya; tekhnichookly redaktor (manual for ship's carpenters] Uchebalk dlI& sudovogo plotnika. Izd. 2-os. parer. i dop. Kooky&. Isd-vo ORechnoi transport,' 1936. 231 p. (NLPA 9:7) (Shipbuilding) (ships. Vooden) FROLOV, B.G. Sow characte-istics of mental degradation in a malIgnant course of epilepsy in children and adolescents. Report No.l. Zhur. nevr. i psikh. 65 no.7:1078-1081 165. (MIRA 180) 1. Kafedra psikhiatrii (zav. - prof. S.S.Ymukhin) Laningradakogo pediatrichaskogo meditsinskogo institutp i Detskaya psikhonevro- logicheskays, bollnitsa (glavnyy vrach P.V.Mashlakova), Leningrad. e K' MIMOBIMAU I TRAVORNAYA F11,01,51YSHLIUMOST ile and Tractor (Aut(6ob Industry) No. 31 1.1archs, 1956 FROMV, B. I.: Condenser Wel ding of katomotive Electrical Equilnent COMIDOnents. Thecondenjer'tvve Gpg.t "eldiw ta3chine is described -Pr :-51a 74P -durzent 4M ---- ---- - action-is-the-basis'of-close control and of weld ability boturcen dissimilar metals allTairg the repl-mcement of soldering with large gains in productivity. Bori.9 Ku?,lmlch; SUMIANOV, G.K.y FROLOV) [Temperature corAm-1 of conarete &-zrlni~ t~,t- of' dams; practices dn the conotzru2tion ,-,f hTirau2ic structuxes in foreign eountrie3] Itug-mlirovanie tempera- turriogo rczltiirq betona pri snoruzhenli lz opyta stroltellstva gldrouzlov za rube~,huii-.. ~,,los'wva, Ellergiia, 1964. 16-7 p. (11,11RA 18:2) SOROKIN, N.N. [translator]; 4MDWXqwA."- translator]; MATVEYZV, B.P., obshchiX red.; )MIYANSKIT, L.P., red.; BOONOT, N.I., takhn.red. (Manual on concrete; manual for the control of concrete con- struction] Rukoyodstvo po "tonuZ mkovodstyo po kontroliu proizvodstva betonAykh rabo~. Moskva. Goo. anerg. Izd-vo, 1938* 438 p. (MIRA 12:2) (Concrete construction) 1PROWV, B.K. Glen Canyon hydraulic center on the Colorado River (USA). Inergokhoz. za rub. no.2:41-42 Xr-Ap 159. (MIRA 12:5) (Glen Canyon Dato, United States) -,' ~.-~,71---IF 13V II ", . -1 110,ior,Aall rar. turbine electric po-.,or plant (Canada). :!a rub. JI-P4, 159. Wru, in:11) (0-:11-da-14ortric vowor 1PInnts) SOV/98-59-4-15/17 AUTHOR: Frolo TITLE: Chronicle (Khronika). A 6cientific and Technical Conference on the Artificial Cooling of Concrete (Nauchno-tekhnicheBkoye soveshchaniye po isk-ust- vennomu. okhlazhdeniyu betona) PERIODICAL: Gidrotekhnicheskoye stroitellstvo, 1959, Nr 4, pp 59-61 (USO) ABSTRACT: The article is concerned with the scientific and technical conference on the artificial cooling of concrete for the construction of hydroelectric power instal lationno called jointly "Gidroenergoproyekt" Insti- tute and the local NTOEP organization in 14oscow during 25-27 November 1958. The conference was attended by the representat4ves of 14 projects and research institutes such as VNIIG imeni B.Ye. Vede- neyev, TNISGEI, LTIKhP, MIbI imeni V.V. Kuybyshev, TsKBKhM, and others. Five basic reports and 9 other statements were made. The report jointly Card 1/3 delivered by the Candidate of Technical Sciences SOIT/c~ 8-55 9 -4 -15/17 Chronicle; A bcientific and Technical Conference on the Arti- ficial Cooling of Concrete P.I. Vasillyev, VNIIG, and Candidate of Technica' Sciences S.A. Frid. Lengidep, bore upon the basic problems of artificially cooled concrete. Engi- neer Ye.N. Terentlyeira, Mosgidep, lectured on the artificial cooling of concrete to ensure the soli- dity of the Bratskaya GES (Bratsk GES), Doctor of Technical Sciences A.P. Tkachev re orted on experi- ments conducted by LTIKhP into- 1~ the cooling of concrete blocks by a pipe system and 2) the cooling of both gravel and concrete mass by adding ice. In this connection, the cooling system of the C. San1myn1sya dam, China, was mentioned. Engineer T. V. Gogolina, TsKBKh?i[, gave an account of the con- crete cooling syrtem of the Bratsk GES, with 550 thousand m3 of concrete to be cooled within 4 months.. As the average annual temperature in that region iso only -2.7 C, with a maximum temperature drop of 20 0 permissible in summer, a double-stage cooling Card 2/3 is called for during thal- season. at first, the 0 C(jv/98-59-4-15/17 Chronicle; A Scientific and Technical Conference on the Arti- ficial Cooling of Concrete water from the Angara0river is to he used (+12 0C), followed by brine (-6 C). The projected refriger.- atina unit will have 4 ammonia refrigerating ina- chinos of the 4AG-type with a capacity of 1.4 mil lion kilocalories per hour each. Its approximate cost will be 15-20 million rubles. The basic re- port over several statements on problems inter- related with cooling were made. The conference suggested that projects and research work be inten- sified and special testing lots be established on the building sites of the Bratsk and Krasnoyarsk GES to check various cooling methods. The confer- ence proposed that a second meeting of this kind be held by the end of 1959. At present, "Gidroenergc-- proyekt" Institute is engaged in editing a colle--- tion of reports and statements made during the above conference. Card 3/3 7F wt -- FROIOV, B.K. Thermal electric -cover Plant Kincardine. Inergokhoz. za rub. no.5:14-17 S-0 '2'9. (MRA 13:2) (Kincardine, Scotland-rSteam pover planto) MEYBOM, R.V., irLzh.; FROLOV, B.K., inzh. Equipment for making artificial sand abroado Mekh.stroi. 17 no.2:28-32 F 160. (KM 13:8) (Sand and gravel plants-Equipment and supplies) ANBIN = , Aleksandr Danilovich; BARGSHTEYN, Iosif Izrailevich; ZQWL -B-L- IL inzhener, redaktor; DUGIRA, N.A., tekhnichookiT redaktor. [Restoration of parts by electric vibration veld deposition; vork practice of the Chelyabinsk tractor plant] Vostanovlente detalei elaktrovibratsionnoi naplavkoi; opyt Choliabinskogo traktornogo zavoda. Moskva, Goo.nauchno-tekhn. izd-vo mashinostroit. lit-ry, 1956. 23 P. (Electric velding) (mLRA 9:6) PATSKEVIGH, Ivan Romnnovich; BEREZKIN, P.N., dotsent, retsonsent; GARKAM, L.To.j inxh., retaonzent; FROLOV, B.L., inzh., red.; DUGINA, N.A., takhn.red. I COVibration-are" built-up welding] Vibrodugovaia naplavka. Moskva, Goo.nauchno-takhn.izd-vo mashinostroit.lit-ry, 1958. (HIRA 1215) (Blectric welding) FROLOV, B.M. Stratigraphy of Sinian sediments in the Sarma Basin (central Lake Baikal region). Trudy VNIGRI no.186:101-108 '61. (MIRA 15:3) (Baikal Lake region-Geology, Stratigraphic) 2,35L, Y;akim dokzhy,:tn 'c.,ytll dryenazn na zolootvalakh. ograzhdayushchikh dambakh klya zolootva-lov" v Elyv--ktr. Stants-ii. IA9, No 9, S. 23-26. V. Dvic-a tyeli vnutrye nnye.-o 7,Foraniya. dvL.--at,feli (Po 'Jorodu statbui. D.D. Zn!--kov--. "E'shch;e ob 7.hurn. "-.1ya!ktr. Stz~nbii", 19113, No 11). dv~.l--atyeli. Ryeaktiv-,v ye So: LetoDiS 140. 31t FROLOV, B.N. Local invariance principle hnd the Noether theorem. Vest. Mosk. im. Ser. 3: Fiz., astron. 18 no.6:48-58 N-D 163. (MIRA 17:2) 1. Kafedra statisticheskoy fiziki i mekhaniki Mo3kovskogo universiteta. FROIDVY B. N, On the true encrgy - momentwn tensor of a gravitational field* Vest,Mosk,un Ser.3:Fiz., astron,19 no. 2:56-63 Mr-Ap 164. (MIRA 17:5) 1. Kafedra teoreticheskoy fiziki Moskovskogo universiteta. Vi5, Subject USSR/Electricity AID P - 3037 Card 1/2 Pub. 27 - 24/33 Author Frolov, B. V., Kand. of Tech. Sci., Dotsent, Leningrad -1 - -_ _~ - WFO*'44.4 Title The field as an aspect of matter (Article by 0. B. Bron. this journal, No. 7, 1954, Nos. 2, 3, and 4, (Disassi n~' 10 eil 0 Periodical e triches vo, 142-143, J1 1955 Abstract The author is concerned with the revieweia of 0. B. Bron's article rather than with the article itself. He considers that discussion as most valuable from the scientific and philosophical points of view. This is a purely materialistic approach to the problem, and from that point of view, he criticizes certain state- ments of earlier participants in the discussion as smacking of 18th century idealism. In particular, he maintains that: 1) the mass exerts the same determining influence on the character of processes occuring in the electromagnetic field as does energy; 2) mechanical movement is not merely a change of place, but represents n, OLOV, B. V. "Investigation of the Scheme of a Cadcade Connection of an Anynchronous Machine with Ion Transformer," OFFicial opponents: A. E. Kaplynnskiy, Professor, Doctor of Technical Sciences and Engineer G. K. Zherve. Dissertation for the Degree of Candidate of Technical Scineces, defended at Leningrad Inst. for Construction of Aircraft Equipment, 25 April 1950 (ElektricheGtvo,, 1958, pp. 69-2 91 No - 5.) ROLOV, Bnrls Vaall'yovich, kand.tokhn.wuk, dots. Differontlal oquations of a saturated synchronous machine. Izv. vys. ucbAb. zav..- elaktromekh. I. no.6:43-57 158. (14IRA lltg) 1. Inpolnyayusbchiy obyasannnoti zaveduyushchego kafedroy teoreti- cheskikb oanOV Alel-,trotekbnlkl LRningradskogo instituta aviatsionnogo priborostroyenlya. (Differnntial equations) (Meatric machinery, Synchronous) SOVIlLP+-59-9-6115 AUTHOR: -Frolov, B.T., Cand.Tech.Sci., Docent, Acting Head of the Uh-al-r TITLE; The Motion of an Electrical Machine Rotor under the Influence of an Arbitrary Torque PERIODICALt Izvestiya vysshikh uchebnykh zavedeniy7 Blektromekhanika, 1959, Nr 9, pp 40-46 (USSR) ABSTRACT: It is often necessary to make a detailed analysis of transient processes in electro-mechanical drives, and this Involves.consideration of the equations of motion of individual components of the system. Most automatic control systems use electrical machines whose law of change of torque as a function of time during the process of control may be very complicated. This article gives a general method of analysing the motion of an electrical machine rotor under the influence of an arbitrary torque. The method is applied to some particular cases of practical interest. The general equation of motion of a rotor is given by Eq (1), the solution for which for the case of constant torque is given by Eq (2). If a constant torque Card 1/4 is applied to the rotor at a certain instant of time7 the angular speed of the rotor is given by Eq (4). This V1111 'M-r SOV/14L~-59-9-6/15 The Motion of an Electrical Machine Rotor under the Influence of an Arbitrary Torque expression may be used to determine the speed of rotation of the rotor under the influence of an arbitrary torque. The actual speed of the rotor as a result of all the torque applied to it is given by expression (5), which can be used to determine motion of the rotor under the influence of any torque whose law of change is known and can be expressed mathematically. If the law of torque change cannot be expressed by an equation, or if the equation is too complicated to be convenient, the torque law may be represented as a sum of rectangular or trapezoidal impulses. Accordingly, the effects of such rectangular and trapezoidal impulses are considered closely and the corresponding equations for motion of the rotor are derived. An appendix is devoted to the motion of the rotor of an independently-excited d.c. machine controlled by changing its flux. Many machines are controlled by varying the field, and in order to limit the armature current when the armature is at rest a limiting resistance is used. The .Card 2/4 case considered is that of application of rated voltage to the field and it is assumed that the armature current is 1~; SOV/144-59-9-6/15 The Motion of an Electrical Machine Rotor under the Influence of an Arbitrary Torque constant rated value; the armature time-constant is neglected and so is the influence of armature reaction on the value of the flux. The necessary equations are derived and solved to show that by taking two oscillograms of the motor running up to speed with constant torque and torque varying according to an exponential law, it is possible to determine the time constant of the field winding. Fig 4 shows motor acceleration oscillorrams for the case of switching on the armature with constant field current. Experimental and calculated acceleration curves of the motor are compared in Fig 5 and it will be seen that agreement is very good. It is concluded that motion of the rotor of an electrical machine under the influence of an arbitrary torque can be determined by means of Duhamel's integral given the torque as a function of time. A brief commentary on Frolov's article, contributed by L.P. Felldman of the Novocherkassk Polytechnical Card Institute, is appended on page ". He claims that the 3/4 use of Duhamel's integral to solve the fundamental SOV/144-59-9-6/15 The Motion of an Electrical Machine Rotor under the Influence of an Arbitrary Torque equation is not new and has been considered in more detail elsewhere. Mathematically-'the proposed treatment does not seem to be very well founded and other equally simple solutions are available. There are 5 figures. ASSOCIATIONs Kafedra teoreticheskikh osnov elektrotekhniki, Leningradskiy institut aviatsionnogo priborostroyeniya (Chair of Theoretical Fundamentals of Electrical Card 4/4 Engineeringg Leningrad Institute of Aircraft Ins trument Design) SUBMITTED: April 28, 1959 ~-,JT

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