SCIENTIFIC ABSTRACT BORISHANSKIY, V. M. - BORISIKHINA, V. I.

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CIA-RDP86-00513R000206320017-0
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S
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100
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November 2, 2016
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June 9, 2000
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December 31, 1967
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SCIENCEAB
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KUTATELADZE, Samson Semenovich. Prinimali uchastiye: LEONTIYEIT, A.I.; BORISHANSKIY,.V.M.;_ZYSINA) L.M., doktor tekhn. naak, rets~n_zent; GORDOV, A.N.., kand. fiz.-mat. nauk, red.; ONISHCHENKOY R.N., red. izd-va; MITARCHUK, G.A., red. izd-va; SHCHET321ITIA, L.V.J. tekhn. red. [Fundamentals of the heat transfer theory] Osnovy teorii teplo- obmena. I~d.2., dop. i perer. Moskva) Masbgiz, 1962. 455 WRA 15-4* (Heat-Transmission) ---------- S/86;~/6Z/002/000/006/029 -Uiermodynamic analog A059/A126 Critical loads in boiling and the where X 'is the value of the charzLCUristic at the measuring pressure p* and f (p/pcrr,the,ordinate of the. curve- for a given P/Por- The equation q :'P T2 F (10), Clar. p*. 1. or Per Per ~is derived, where qor.- 'p and qer. an thecritical thermal loads at the current pressure p and at'the measurdng pressure p*,, respectively. The critical loads can,be determined also fromthe-formulas or. p ,q, J, q F, (P/Pcr) or. p* ..-:where,F is the ordinate:of the'.generalizing curve for, the given relative pnes- sure and qer., po/f P0/Pcr)J9 qcr. Pi where qcr. po Is the critical loid-atrandom pressure p0, and f (PC,/Pcr) the ordinate of the curve for the-relative pressure PO,/Pcr. -V.G. Morozov, S.M. Lu- komakiy, M.A. Styrikovich-J, and G.M. Folyakov are mentioned. There are 3 figures. ASSOCIATION: TzKTI im. Polzunova (TsXTI imeni Polzunov) .,Card 3/3 S/4862/62/002/000/014/029 A0591,1125 AUTHORS: Porlsh,.=kiy, V. N. ,Maslichenko., P.A., rokin, B.S. TITLE: Some data 'on the mecha*nism of film boiling in a large volume of liquid SOURCE: Teplo- i massoperenos. t. 2: Teplo- i massoperenos pri fazovykh i khimiolie3kikh prevrashcheniyakh. Ed. by A.V. Ly1cov and B.M. Smol'~ skiy. Minsk, lzd-vo.AN BSSA, 1962. 128 131 TZKT: 'Theoretical formulas ~&r the calculation of the coefficient of heat transfer developed by V.M. Borishanskiy,.L.A. Bromley, and S.S. Kutateladze were derived on the assumption of.continuous laminar flow of the vapor layer near!the surface. The formula for the mean-coefficient of heatexchange on boiling 'at the vertical heated'surface is:, 7~7. 0 1 1 r 7~7c q const, jL" qL where L'is the vertical size of the heated surface, q the thermal stress of.the card 1/4 LIM, -3/852/62/002/00-0/014/029 Some d at aon the nephanism of film boiling in~ .... A059/A126. for L were examined'. 'The experiments were performed in the tube shown In Figure Dy the Moving-pAture films, -it was shown that vapor flow and va-por-film shape in boiling at horizontal and vertical',surfaces are very different from each other. In the.former case,,laminar flow occurs at the small-diameter sur- face, with large, flat bubbles entering the volume and horizontal wave-11ke os- cillattons of the interface ;_when the thermal stress~is lowered, the film thick- nezs decreaSb3and so does the frequency of bubble separation, but the size of the bubbles remains unchanged.. 'The vapor film at a vertical surface represents an assembly of large vapor bubbles of various shapes near to pear-shape, separat- ed by short section Isof a very thinvapor film; at great enlargements, a strong tuxbulent notion of the vapor is observed. With increasing thermal stress, the )aorizontal dimension-of the vapor bubbles and their rate of ascent are increased. Average data on the Vapor thickness of various boiling liquids at a vertical Ourface in time and along the operating section were obtained by measuring the area of theYapor film With a planimeter., From the measured data, the mean film ihickness iw time: It was shown by,thes'e cal- ..red of the vapor was calculated. culations that the film thicknesses obtained this way are 10 to 15 times greater than those calculeted.from equation (1), and also %"ed is about 20 times great- r Card 3/4 s/B62/62/602/000/014/029 Some data on the mechanism of film boiling in .... A059/A126 er than X", which'indicates the turbulent. nature of vapor flow in thefilm. Heat-transfer was experimentally shown,to be independent of the length of the, heat-transmitting surface in a ver.tioal position. There are 3 figures and I ta- ble. ASSOCIATION: Leningradskly politeldmicheskiy institut im. M.I. Kalinina (Lenin-. grad Polytechnic Institute imeni 14.1. Kalinin) Figure 2: JELperimental tube with a stoam ~collector at the working position: I.,.-:working section; 2~.--.. 42 al - working tube c c ector; 3 40 0~ 1 X 18 H9 T (iKhi8ii9T),- 4 -out. voltaic lead A X;~4 A *1 25 card 4/4' s/ll4/62/ooo/0O8/0b`z/oo6 E194/E:45'5 C'2 0 0 AUTHORS: Bo~~y_,_V_K,, Doctor of.Techni.cal~Sciences, --M-itskevich, A.I., Candidate of.Technical,.Sciences I TITLE: Criterial working-out of complicated cases"'O'f"' convective heat-transfer PERIODICAL: Energomashinostroyeniye, no.8, 1962, 18-20 TEXT: In the general case of convective heat-transfer, the temperature is not luniform over the surface and the heat-transfer coefficient accordingly varies from place to peace on'the'surface. Complicated temperaiure distributions arise in ribbed"c*oblIng surfaces. Here thd,criterial heat-transfer relation~ship should include, in addition~jto the usual criteria, complexes'obtained for the heat balanc4i.~,condltions on the boundary of separation between the surface and the heat-transfer medium i.e. ATLve Nu fl Res Pr, A " ) (1) XMLT or 5 Re, Pr, ?'TLM (2) t f2 Card 14~ Cvltevlal wovk�ng-out ... s/114/62/ooo/6o8/Oo2/006 E194/E455 where Nu = (qd~~)/( 6tXT); d9 - a typical mean dimension of the system; XT and XM - thermal conductivity.coefficients of the heat-transfer medium and surface material; LT and L~f - typical linear dimensions that govern motion of the heat-transfer medium and the surface geometry at the place of flow. To simplify the calculations an experimental relationship must be found between the parameters by specially working up the experimental data.. In engineering practice, the final criterial formulae can often be considerably simplified by obtaining a combination criteria and solving the equations of heat distribution for an element- of surface geometry, assuming a heat-transfer law. Two examples show that test results are best worked out in the form St = f (Remoast Prmeas) where Remeas = 'Re(XT/XM)P and Prmeas ' Pr?1',-../XM)q. The cases examined are the most typical elements of heat-transfer surfaceel a.rod and a circular rib with uniform ooolihg over the perimetore The following *xpres alon is obtained for a rod . I Ll + L2 L Stav = f[Remeass Prmeas' - I 1 (11) f Lfl Card 2/3' s/ii4/62/000/008/002/oo6 Criterial working-out ... E194/E455 where Ll is the length of rod over which heat transfer takes place and L2 the remaining length of the rod. A corresponding expression is obtained for a circular rib cooled by an axial: flow of heat-transfer medium. The method of working out the experimental data described-here in recommended for other cases of complex heat-transfer, for instance for transverse flowover tubes or longitudinal flow over closely-packed bundles of tubes when the heat transfer coefficient is not constant over the tube perimeter. However, the use of these analytical relationships for unfamiliar arrangements requir4 experimental verification. There are 2 figures.-, Card 3/3 43351 S/170/62/005/012/001/008 B104/B186 AUTHORS: Borishanskiy.,_Y. 1k., Kozyrev, A. P. TITLE: Generalization of experimental data on heat transfer in nucleate boiling on the basis of thermodynamic similarity PERIODICAL: Inzhenerno-fizicheskiy zhurnal, v- 5, no. 12, 1962, 3 - 8 TEXTs In a previous paper (V. M. Borishanskiy, Voproey teplooidachi i gidravliki dvukhfaznykh sred - Problems of heat transfer and hydraulics of two-phase media, Gosenergoizdat, 1961, p. 18) the formula a* - a* 1(p/pcr) was derived for the case of nucleate boiling where p p a* = a/q', a is the heat transfer coefficientt q the thermal load of the heating surface. This formula makes it ~oasible to allow for the pressure effect on the heat transfer of a medium over strongly varying physical properties in a wide range of pressures. Formula A, a=B P q'19F3 (5) (.9 -M 7,,Ip Pow' Card 1/3 S/170/62/005/012/001/008 Generalization of experimental ... B104 B186 (Pkp - criticaII pressure, Tkp - critical temperature) is derived with the aid of thermodynamic similarity (I. I. Novikov, Voprosy teplootdachi i gidravliki dvukhfaznykh sred - Problems of heat transfer and hydraulics of two-phase media, Gosenergoizdat, 1961, P. 7 and 14), allowing for the experimentally proved fact that the heat transfer coefficient a is a function of the thermal load q and of the physical parameters of the medium when a nucleate boiling occurs with free convection. The function. F3(p/pkp ) is universal .for thermodynamically similar substances and characterizes the effect of reduced pressure on the heat transfer. The shape of this curve is determined graphically by a method due to Borishanskiy. Formulas a 600 P qIs 0,37 +3,15 -L-) npil 0,2; (6) 'I~M'1- PKP PKP TK P-'118 p 1,85 ( P - 0,2 npit -E- > 0.2. 600 -F,/- kP.MV. q'Is ex PHP PKP are given for practcal application. Only p , T and M of the medium or or Card 2/3 3/170/62/005/012/001 /006 Generalization of experimental B104/B186 need to be known in order to calculate the heat transfor coefficient at increased pressure and with free convection. The results obtained with these formulas agree with the experimental data given in,a large number of papers within � 30 %. There are 2 figures and 2 tables. ASSOCIATION& Tsentrallnyy kotloturbinnyy institut imeni 1. 1. Polzunova, g. Leningrad (Cential Boiler and Turbine Institute imeni I. I. Polzunov, Leningrad) SUBMITTED: February 26, 1962 Card 3/3 BORISIIANSKIY V.M.- AUDREUVSKIY, A.A.; ZHINXINA, V.B, - p Heat transfer to a staggered bank of tubes in transverse flow of molten sodium. Atom. energ. 13 no.3:269-271 S 162. (MIRA 15:9) (Heat-Transmission) (Sodium) BORISHANSKI _V.~, X,. '... red.; KUTATELADZE) S.S., red.; LELICHUK, V.L., red.; NOVIKOV, I.I., red.; ROMMOVA, L.A., red.; MAZELI, Ye.I.., tekhn. red. [Liquid-metals] Zhidkie metally; sbornik stalei. Moskvap Gosatomizdat, 1963. 326 p. WERA 16:12) (Liquid metals-Thermal properties) ACCESSTON'Z~M: AT4013171 8/3059/63/000/000,10005/0026- AUTHOR: BorishansIdy, V. M.; Ivashchenko, N. I.; Zabl6tskaya, T. V. .TITLE: Calculation-.of heat t --nsfer into liquid metals in 1)tarbulent flow when q is constant SOURCE: ZhidldycmetaRy*. Sbornikstatey. Moscow, Gosatomizdat. 1963., 5-26 TOPIC TAGS: liquid metal, turbulent flow, hydraulics, molecular heat exchange, heat I exchange, heat transmission ABSTRACT: When calculating turbulent flow in pipes, heat exchange is considered either in two layers (Prandtl, Taylor) or in three layers (von Karman, Shvab). This investigation further develops the three-layer thermal flow theory proposed by V. M. BorishansIdy (Vtoroye soveshchaniye po teoreticheskoy i prikladnoy magnitnoy gidrodinamike. Riga, Izd-vo tW Latv. SSR, 1962.) Flow is divided into three layers: a thermal sub-layer where, heat is distributed by molecular transfer; an intermidiate, thermal core where heat is trans- ferred both- by molecules and by turbulent flow, and a turbulent thermal core where heat is transferr6d'only by turbulent flow. The investigation clearly shows that in the general case. tho laws of turbulent transfer for low Prandtl figures are the same as for liquids when Pr >, 1. The calculation of heat loss and temperature fields according to the proposed Card 1/2 ACCESSION NIL AT4013171 scheme allows one to find the specific importance of heat transfer and momentum depending on the Reynolds and Prandtl numbers. Comparative calculations We been made of tem- porature fields and exchange rates by the three-layer flow theory for Pr. 3, 000). a simple formula is proposed. "'7.5 + 0.005 Pe for an interval where 200