JOURNAL OF ENGINEERING PHYSICS AND THERMOPHYSICS

Volume 25

Volume 25, Number 1, July, 1973
Volume 25, Number 2, August, 1973
Volume 25, Number 3, September, 1973
Volume 25, Number 4, October, 1973
Volume 25, Number 5, November, 1973
Volume 25, Number 6, December, 1973


Number 1

CONTENTS

Yu. A. Kirichenko: Estimation of vapour bubble separation conditions at nucleate ... 5 I. G. Shekriladze and G. I. Zhorzholiani: Analysis of moving vapour film condensation on a horizontal cylinder ... 14 S. A. Kovalev , V. M. Zhukov and Yu. A. Kuzma-Kichta: Methods of investigation of interface fluctuations at nucleate liquid boiling using an optical quantum generator ... 20 I. Curievici , M. Ursescu , H. Dinulescu and S. Serban: Local gas suspension heat transfer in an annular channel ... 26 M. A. Kasamanyan , V. A. Kirillov and Yu. Sh. Matros: Mass transfer in a free volume of fixed granular bed ... 36 V. G. Kashirsky and Yu. Ya. Pechenegov: Experimental investigation of heat transfer to a gas suspension flow including physical-chemical transformations ... 42 A. I. Tamarin and R. R. Khasanov: Heat transfer in an ordered fluidized bed ... 50 G. D. Salamandra and N. M. Ventsel: Onset and development of flame vibrations ... 56 V. P. Myasnikov , N. I. Nikitina and N. S. Evenchik: Temperature profile calculation in a cross-section of a turbulent reactionary apparatus with radiation heating ... 61 T. V. Sokolova , A. P. Obukhov , A. A. Men and T. B. Buzovskina: Effective thermal conductivity of plasma coatings of aluminum oxide under radiation heating in a temperature range from 100 to 9OOoC ... 66 V. P. Terentiev , V. L. Sergeev and G. M. Bezladnov: Characteristics of electric-arc gas heater consisting of segmented electrodes ... 73 A. A. Men: Radiation-conduction heat transfer in cylindrical medium ... 77 Z. P. Shulman , R. G. Gorodkin , V. M. Nosov and T. A. Demidenko: Effect of dielectric sample material properties on electrorheological fixing force ... 83 M. V. Prochukhaev: Nozzles with cryogenic boundary layer suction ... 87 G. D. Bade , E. A. Bondarev , A. G. Groisman and M. A. Kanibolotsky: Hydrate formation in tubes with moving gas ... 94 E. A. Romashko: Secondary Taylor flow stability between rotating cylinders with a wide gap ... 99 Yu. F. Makovsky and F. V. Shugaev: Interaction between a shock wave and blunt bodies in a supersonic flow ... 107 A. A. Bochkarev , V. G. Prikhodko , L. N. Smirnykh and E. I. Fomel: Simulation of flow around a high-altitude ion-concentration sensor ... 111 R. Meyer-Pitroff: A method to fit empirical equations of state ... 116 V. S. Novikov: Diffusion in stagnation region ... 121 B. A. Krasovitsky and A. P. Shadrina: Heat exchange between well and fine dispersed frozen ground ... 129 B. M. Khusid: Steady-state heat transfer between fluids separated with a thin partition ... 135 ABSTRACTS OF DEPOSITED PAPERS B. A. Michkovsky , A. P. Baskakov and N. F. Filippovsky: Heat transfer between a flat calorimeter and high half-dragged fluidized bed ... 145 V. F. Petin , V. A. Kuznechikov , V. P. Zhelonkin and E. N. Konstantinov: Heat and mass transfer at mixtures evaporation in a film column ... 146 A. I. Borisenko , K. F. Nechitailo and V. A. Safonov: Vortex effect investigation using water vapour ... 147 V. V. Tsybulsky and Yu. A. Kirichenko: Free-convection cryogenic fluid boiling heat transfer ... 118 E. M. Semenishin , G. A. Akselrud and S. V. Limarenko: Mass transfer with solid substance extraction from a semi-infinite body ... 149 E. M. Semenishin , G. A. Akselrud and S. V. Limarenko: Mass transfer with solid substance extraction from semi-infinite body with complicated chemical reaction ... 150 B. A. Bogatov and P. K. Shchipanov: Analytical study of the effect of drying agent velocity on the rate of moisture removal from peat ... 151 N. I. Shut , V. P. Dushchenko , V. M. Baranovsky , A. Sh. Goikhman , V. P. Solomko and V. P. Gordienko: Thermophisical properties and structure of filled polyformaldehyde and formaldehyde copolymer with dioxolane ... 152 S. A. Drozdov , B. I. Iliin , V. F. Salokhin and G. G. Spirin: Complex determination of thermophysical properties in thin fluid beds ... 153 K. D. Guseinov and Kh. Madzhidov: Isobutylacetate thermal conductivity at different temperatures and pressures ... 153 V. N. Evstifeev: Viscosity of cement-sand concrete mixtures and construction solutions ... 155 T. T. Gribnyak and L. G. Guriev: Choice of optimal fractional composition of loose material for production of denser packing ... 156 N. M. Tsirelman: One method of determining temperature fields in finite bodies ... 157 N. M. Tsirelman: Equivalent thermal resistance of convective heat transfer at transient heat conduction ... 158 E. V. Veitsman: Irreversible thermodynamics for continuous systems with unsteady external force field ... 159 P. Z. Livshits: Solution of a spacial heat conduction problem for a semi-infinite cylinder under mixed boundary conditions ... 160 A. P. Popova: Unsteady mixed heat conduction problem for a semi-space ... 161 A. V. Alekseev , V. D. Goryachev and B. G. Efremov: Drop motion simultation in front of cylinder grid ... 163 G. Goets , G. A. Gumansky , I. S. Tashlykov and F. Shvabe: Ionometric investigation of the effect of proton irradiation on pure and impure bismuth ... 164 PROMINENT SOVIET SCIENTIST Bekir Mikhailovich Smolsky (to his 60th Birthday) ... 166 Mikhail Dmitrievich Millionshchikov ... 169 READER'S GUIDE Heat and Mass Transfer Bibliography ... 171 Number 2

CONTENTS

Z. G. Shaikhutdinov , A. M. Rusak , V. M. Klevansky , I. S. Saburov and L. F. Shaikhinurova: Burning of high-temperature incomplete combustion products in a supersonic flow with secondary injection of oxidizer ... 197 G. D. Salamandra and B. M. Shlyakman: Preliminary "treatment" of homogeneous fuel-air mixture by electric field ... 204 G. A. Dreitser , E. K. Kalinin and V. A. Kuzminov: Unsteady-state convective heat transfer with different laws of hot gas cooling in tubes ... 208 M. I. Fedorov: To calculation of harmonic fluctuation processes appearing in fluids exchanging heat with hot channel walls ... 217 G. I. Bobrova and L. A. Stasevich: Heat transfer with nitrogen boiling in narrow channels ... 227 V. G. Rifert: Heat transfer analysis with liquid film evaporation on a rotating disc ... 232 V. A. Maiorov and L. L. Vasiliev: Stability condition of two-phase transpiration cooling ... 237 V. V. Barsukov , L. N. Mishchenko and G. F. Smirnov: Limited characteristics of low-temperature heat pipes ... 249 L. L. Vasiliev and S. V. Konev: Heat and mass transfer in heat pipes with noncondensing gas ... 254 B. P. Mironov and P. P. Lugovskoi: Flow pattern in a wall region of a turbulent boundary layer with blowing and adverse pressure gradient ... 261 Yu. I. Shmakov and T. G. Pilyavskaya: On approximate solution to the problems in the theory of boundary layer of weak solutions of polymers with rigid ellipsoidal macromolecules ... 265 I. Samohil: Rational thermodynamics of nonreacting binary linear fluid ... 271 L. P. Soshina and F. P. Zaostrovsky: Hydraulic resistance of steady-state ion-exchange resin layer ... 286 G. A. Akselrud , V. I. Labai and O. P. Kalinovskaya: Kinetics of granular material drying in a thin layer ... 294 J. Valchar': Stochastic theory as applied to drying with pneumatic transport of solid particles by a gas flow ... 299 M. S. Panchenko , V. P. Dushchenko , A. L. Panasyuk , A. S. Mosievich and I. N. Karpovich: On intensification of internal mass transfer under isothermal conditions ... 309 A. M. Podvalny: Proper stresses appearing in concrete with freezing ... 316 A. I. Lutkov: Porosity effect on the effective thermal conductivity of graphite ... 325 L. A. Sukhareva , P. I. Zubov and G. N. Yashchenko: Effect of structure formation in oligomers on the temperature dependence of thermophysical properties ... 330 N. B. Vargaftik , N. A. Vanicheva and L. V. Yakush: Gaseous D2O thermal conductivity ... 336 V. D. Tarasov , V. Ya. Chekhovskoi and G. A. Puchkova: Enthalpy of some marks of quartz sand in the range from 1300 to 2400oK ... 341 E. I. Taubman and Yu. I. Kalishevich: Planning of experiments in thermal engineering ... 345 N. M. Tsirelman: The laws of constant temperature front propagation in application to determination of heat transfer coefficient ... 349 P. V. Tsoi: Thermal conductivity with variable transfer coefficients ... 353 O. M. Alifanov: Numerical solution of nonlinear inverse heat conduction problem ... 363 LETTER TO THE EDITOR Ya. S. Opman: Relationship between maximum air moisture content and adiabatic saturation temperature ... 371 BOOK REVIEW P. S. Kuts: On the section "Acoustic Drying" from the monograph "Physical Fundamentals of Ultra-sound Technology" by Yu. Ya. Borisov and N. M. Gynkina. Izd. "Nauka", Moscow, 1970 ... 372 READER'S GUIDE Contents of the International Journal of Heat and Mass Transfer, vol. 16, Mo 1, 1973 ... 373 Number 3

CONTENTS

A. I. Leontiev and A. V. Fafurin: Starting length unsteady turbulent boundary layer ... 389 G. F. Gorshkov , V. S. Komarov , M. M. Maev and V. S. Terpigoriev: Methods of heat transfer intensification in testing heat-protecting materials ... 403 G. N. Dulnev , Yu. P. Zarichnyak and A. V. Sharkov: Heat transfer in closed air interlayers at lower pressure ... 409 V. P. Dushchenko , A. F. Bulyandra and B. I. Verbitsky: Calculation of a heat flux absorbed with colloidal capillary-porous bodies in thermoradiative drying ... 415 V. M. Kazansky: Thermodynamically grounded conditions of application of the drying thermogram method ... 419 I. S. Grachev , D. T. Kokorev and V. F. Yudaev: Bubble generation dynamics on a vibrating capillary ... 424 L. A. Vadachkoriya , D. G. Katsitadze , Sh. A. Mumladze , I. A. Naskidashvili , G. P. Tavkhelidze , L. S. Topchyan and A. A. Chipashvili: Low-temperature vertical channels in IRT-2000 reactor ... 430 V. Ya. Sasin and A. Ya. Shelginsky: Heat transfer rate in condensers of heat pipes ... 430 V. F. Prisnyakov: Vapour plug growth in small channels ... 440 Ya. F. Masalov: Evaporation constants of water and ethyl alcohol drops in combustion products of natural gas in heated air ... 445 N. V. Fedoseeva and A. G. Konyushenko: Drop system evaporation in different media ... 453 S. F. Borisov , A. N. Kulev , B. T. Porodnov , P. E. Suetin and S. T. Barashkin: Thermomolecular pressure difference at small Knudsen numbers ... 456 Yu. Z. Bubnov and M. N. Libenson: Subsonic vapour flow analysis in quasi-closed volume ... 460 B. E. Gelfand , S. A. Gubin , S. M. Kogarko and S. P. Kormar: Viscous drop destruction peculiarities in shock waves ... 467 R. R. Khasanov , A. I. Tamarin and D. M. Galershtein: Heat transfer between a horizontal tubular surface and fluidized bed with small packing ... 471 J. S. M. Botterill and J. G. Whellock: The dynamic analysis of a small-scale fluidized bed combustor ... 476 A. V. Petrov , Yu. G. Nurullaev and R. M. Vlasova: Thermal conductivity of ion-radical salts of tetracianquinodimethane ... 485 V. E. Zinoviev , A. A. Baskakova , N. G. Korshunova , N. A. Baronikhina and L. D. Zagrebin: Solid and liquid tin thermal diffusivity and thermal conductivity ... 490 A. I. Dautov , R. Kh. Ismagilov and Kh. M. Shavaliev: Stabilized electric arc column of variable radius ... 495 A. G. Shashkov , V. L. Sergeev , G. M. Bezladnov and V. P. Terentiev: Electric-arc heater design with gas vortex discharge stabilization ... 500 V. I. Shakhurdin: Schlieren-method investigation of thermoelastic stresses ... 506 N. V. Ivanova and G. E. Kanevets: Mean temperature difference of multichannel heat exchangers ... 509 V. I. Urbanovich and G. I. Urbanovich: Heat transfer in initial period of converter melting ... 514 A. D. Myshkis and L. A. Temkin: Finite continuum heating ... 518 O. M. Alifanov: Inverse heat conduction problem ... 530 ABSTRACTS OF DEPOSITED PAPERS V. I. Voronin and V. V. Shitov: Polytropic filtration of incompressible fluid with transpiration cooling ... 538 S. N. Perevezentsev and B. I. Taratorin: Layer thermal conductivity at the first kind boundary conditions ... 539 D. N. Onchukov , V. P. Ostapchik and V. G. Charnyi: Isothermal vapour transfer in capillary-porous colloidal bodies ... 539 A. A. Ryabis , V. M. Zhuravlev and G. P. Titov: Some peculiarities in choosing optimal vulcanization conditions ... 539 PROMINENT SOVIET SCIENTIST Aleksandr Yulievich Ishlinsky (to his 60-th birthday) ... 541 BOOK REVIEW I. V. Petryanov and A. G. Sutugin: On the monograph "Supersonic two-phase flows" by G. A. Saltanov ... 544 READER'S GUIDE Contents of the International Journal of Heat and Mass Transfer, vol. 16, Nos 2-4, 1973 ... 546 Heat and Mass Transfer Bibliography ... 557 Number 4

CONTENTS

N. A. Shakhova and G. N. Lastovtseva: Fluidized bed interphase heat transfer ... 581 N. I. Syromyatnikov: To the theory of external fluidized bed heat transfer ... 589 Yu. A. Buevich and Yu. A. Korneev: Interphase mass and heat transfer in concentrated dispersed system ... 594 R. B. Rozenbaum , O. M. Todes and L. N. Fainshtein: The methods of studying body motion in a fluidized bed ... 601 V. A. Shelman: Some drying problems in a fluidized bed under oscillating regime ... 607 M. B. Rivkin: Calculation of horizontal pneumatic fine-dispersed material transport in dense media ... 616 M. M. Bogomolov , A. A. Vasiliev , S. D. Grishin , L. M. Piskalov and L. E. Tsvetkova: Plasma heat transfer and condensation in cylindrical and conical channels ... 622 Yu. Z. Bubnov , M. S. Lurie , G. A. Filaretov and L. N. Shendler: The study of gallium arsenide evaporation, mass transfer and condensation in quasi-closed volume with temperature gradient ... 629 V. N. Slesarenko and G. A. Gudakov: Experimental investigation of hydraulic resistance of upflow in film distillers ... 634 R. M. Yablonik and V. A. Khaimov: Film flow stability in short channels ... 641 N. S. Mochalova , L. P. Kholpanov and V. Ya. Shkadov: Hydrodynamics and mass transfer in liquid layer on the surface of revolution ... 648 B. N. Yudaev , O. V. Tsirlin and A. A. Yushkin: Steady gas bubble motion in liquid ... 656 P. A. Novikov , G. L. Malenko , L. Ya. Lyubin , V. I. Balakhonova and V. N. Denisov: Vapour flow dynamics and mass transfer in narrow slot channels with sublimation in vacuum ... 663 G. F. Muchnik , S. D. Solomonov and A. R. Gordon: Hydrodynamic development of a laminar flow velocities in rectangular channels ... 671 A. A. Berkengeim: Natural convection in horizontal cylindrical gaps ... 676 N. V. Leontieva , Yu. P. Lunkin and A. A. Fursenko: Blunt bodies in a nonuniformly ionized radiating gas ... 681 L. B. Nevsky: Some results in determination of gas flow density by shearing interferograms ... 688 V. G. Kamensky and V. P. Zhuravleva: The effect of forms and kinds of bonds with material on moisture diffusivity in cement stone ... 694 V. M. Popov and A. I. Krasnoborodko: Contact thermal resistance of oxidized metal surfaces ... 701 F. Balfanz and D. Gelbin: Investigation and application of diffusion models in porous catalizers ... 708 A. V. Luikov and V. L. Kolpashchikov: Heat transfer anisotropy effects in convective liquid and gas flows ... 720 O. G. Martynenko , A. G. Muradyan , A. A. Baranov , V. L. Kolpashchikov and A. F. Yakubov: Light beam propagation in continuous lenticular aberration medium ... 725 Yu. M. Kamenetsky , L. M. Kurshin and V. I. Stytsyuk: Solution of an inverse thermal-elastisity problem by the electric simulation method ... 730 I. M. Shter: The generalised Onsager principle and its application ... 736 E. V. Veitsman: Substance density equation for a surface liquid-saturated vapour layer ... 742 LETTERS TO THE EDITOR A. A. Gukhman: On the remarks by B. I. Shulyak to the book "Wave Physics on the Surface of Loose Materials and Fluid" ... 746 A. I. Kaidanov: On the error in one approximate method of solution of boundary-value problems ... 748 BOOK REVIEW L. S. Slobodkin and Yu. M. Sotnikov-Yuzhik: On the book "Methods of Determination of Optical and Thermoradiative Characteristics of Food Stuffs" by S. G. Iliasov and V. V. Krasnikov ... 749 A. Kh. Kim: Review of the monograph "Rheodynamics and Heat Transfer of Nonlineal Visco-Plastic Materials" by B. M. Smolsky, Z. P. Shulman and V. M. Goroislavetz ... 751 READER'S GUIDE Contents of the International Journal of Heat and Mass Transfer, Vol. 16, Nos 5, 6, 1973 ... 752 Number 5

CONTENTS

S. N. Shorin , V. I. Sukhov , S. A. Shevyakova and V. K. Orlov: Experimental investigation of heat transfer with oxygen boiling in vertical channels at condensational heating ... 773 V. V. Zhilina and I. I. Markov: Variation of vapour bubble separation diameter with increasing pressure ... 780 V. R. Borovsky , A. Sh. Dorfman , V. A. Shelimanov and O. A. Grechanyi: Analytical investigation of heat transfer between cylindrical bodies of small radii and a longitudinal flow at constant temperature ... 785 N. V. Shumakov and L. D. Kalinnikov: On the correspondence between heat transfer coefficients for steady and transient processes ... 792 N. S. Dudorov and A. P. Baskakov: Choice of optimal particle diameter in apparatuses with interstitial heat transfer agent fluidized bed ... 800 B. N. Yudaev , O. V. Tsirlin and A. A. Yushkin: Calculation of volatile liquid cooling parameters with gas bubbling ... 807 T. L. Perelman and M. M. Levitan: Heat pipe theory fundamentals ... 816 V. F. Zakharenkov and L. I. Shub: Temperature fields in heat-protecting materials ... 827 V. Z. Geller and A. V. Kronberg: Relationship between liquid viscosity and thermal properties ... 837 Yu. A. Popov: Radiation heat transfer in accidentally inhomogeneous medium ... 542 N. B. Vargaftik , A. A. Voshchinin and V. V. Kerzhentsev: Experimental distribution of accomodation coefficients for argon and xenone on nickel at high temperatures ... 847 M. Marich: Simultaneous determination of thermophysical properties of materials ... 851 E. M. Kravchuk and E. A. Strashkevich: Sensitivity and accuracy of roentgenoscopic method of determination of moisture content in a porous body ... 859 V. P. Dushchenko , B. G. Ivanitsky , I. T. Gorbachuk and V. N. Smola: Effect of electric field intensity and porous structure of a capillary-porous body on the electroosmosis coefficient ... 864 D. V. Redozubov: Solution of the problem on drying colloidal capillary-porous materials with movable evaporation boundary ... 871 A. V. Evlampiev: Some regularities of a cooled current carrier ... 877 B. M. Smolsky , L. Ya. Lyubin , P. A. Novikov , G. L. Malenko and V. I. Svershchek: Pressure distribution in narrow slit channels with a rarefied gas flow including slip and phase transition at walls ... 885 L. N. Ukhanova: Flow structure in three-dimensional turbulent wakes ... 893 A. A. Khalatov , V. K. Shchukin and V. G. Letyagin: Some paculiarities in hydrodynamics of turbulent air flows swirled by a blade turbulizer ... 899 T. A. Girshovich: Calculation of plane turbulent jet parameters in a sweeping flow ... 907 V. L. Kocherov , Yu. E. Lukach and E. A. Sporyagin: Secondary flows in a gap between a rotating cone and fixed disc ... 913 M. G. Morozov , B. A. Sapogov and A. G. Otenko: Vortex motion in the bottom region of axisymmetric bodies ... 918 L. K. Tsabek: Integration of motion equations for sorbed mixture through porous nondeformed medium ... 922 CHRONICLE I. F. Pikus: Contents of Proceedings of the International Symposium on Heat and Mass Transfer Problems in Food Industry ... 928 L. L. Vasiliev: The Conference of Readers of the Journal of Engineering Physics held in Czechoslovakia in 1973 ... 940 READER'S GUIDE Heat and Mass Transfer Bibliography ... 941 Number 6

CONTENTS

A. Yu. Ishlinsky: On the problem of hydrodynamic effect of small polymer additives ... 965 V. A. Gorodtsov and V. S. Belokon: Similarity laws for developed turbulence of dilute polymer solutions ... 967 Z. P. Shulman , N. A. Pokryvailo , N. D. Kovalevskaya and V. V. Kulebyakin: On measuring the structure of turbulent flows of submerged polymer solution jets ... 977 S. A. Vlasov , O. V. Isaeva and V. N. Kalashnikov: Mean and fluctuational velocity components in submerged polymer solution jets ... 987 N. A. Pokryvailo , Z. P. Shulman , A. S. Sobolevsky , D. A. Prokopchuk , N. D. Kovalevskaya , G. M. Pashik , V. V. Tovchigrechko and N. V. Zhdanovich: Polymer solution flow in a wedge of bluff bodies ... 993 E. M. Greshilov , A. V. Evtushenko , L. M. Lyamshev and N. L. Shirokova: Some peculiarities of polymer additive effect on wall turbulence ... 999 A. P. Makarenkov , G. P. Vinogradny , V. V. Skripachev and M. V. Kanarsky: Effect of polymer additives on pressure fluctuation in the boundary layer ... 1006 V. S. Belokon , V. N. Kalashnikov and B. V. Lipatov: Flow of dilute polymer solutions along tubes and near a disk rotating in a case ... 1010 Yu. G. Blyudze and L. A. Chekalova: Relationship between mean and fluctuational characteristics in a turbulent flow of polymer solutions in a circular tube ... 1016 A. Kh. Mirzadzhanzade , I. G. Bulina , A. K. Galyamov , N. M. Sherstnev and A. A. Nazarov: Asphaltene effect on hydraulic resistance in oils motion ... 1023 A. V. Smolyakov: Polymer solution flow as motion of media with extra internal degrees of freedom ... 1027 A. T. Onufriev: One example of a turbulent flow with force action on fluctuational flow properties ... 1033 G. F. Kobets and A. P. Matyukhov: Effect of physical parameters on resistance decrease in a turbulent flow ... 1039 V. G. Ivannikov and G. D. Rozenberg: Experimental investigation of pressure wave attenuation in weak polyacrylamide solution flows ... 1045 V. G. Ivannikov: Some additional results on experimental investigation of pressure wave attenuation in weak polymer solution flows ... 1050 B. E. Vyazmensky: Effect of polymer additives on cavitation ... 1052 Yu. A. Eskin: Gas core generation with weak aqueous polymer solution flows around a surface ... 1056 I. M. Gryaznov and A. M. Kudin: Steel St. 5 abrasion with a jet of dilute aqueous high-polymer solutions ... 1059 L. Z. Meltser , V. S. Kovalenko , I. T. Elperin and L. I. Levental: Application of hydrodynamic active additives in refrigeration engineering ... 1064 A. M. Polishchuk , Yu. D. Raisky and A. Z. Temchin: Effect of polymer additives on centrifugal pump performance ... 1070 Z. R. Corbis , T. A. Rogovsky and S. P. Shulgin: Rheological properties of high-molecular polymer solutions ... 1074 V. A. Gorodtsov and A. I. Leonov: Description of turbulent resistance decrease in elastoviscous fluids ... 1081 A. M. Kudin , G. I. Barenblatt , V. N. Kalashnikov , S. A. Vlasov and V. S. Belokon: Destruction of metal obstacle with a jet of dilute polymer solution ... 1090 N. I. Basov , A. I. Leonov , S. A. Lyubartovich and I. I. Felipchuk: Power capacity of channel filling with polymer melts under pulsating pressure ... 1095 I. P. Chashchin and A. G. Piankov: Effect of organic additives on hydraulic resistance and heat transfer in a flow ... 1101 V. I. Popov , A. Ya. Roitman and E. M. Khabakhpasheva: Unstable visco-elastic flow ... 1106 G. K. Kholopov: Calculation of diffuse isothermal radiation ... 1112 V. P. Korobeinikov: On body motion under the action of an external energy source ... 1121 CHRONICLE Z. P. Shulman: All-Union Seminar on Hydrodynamic Effect of Small Polymer Additives ... 1127 Contents of the Journal of Engineering Physics vol. 25, 1973 ... 1128