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ISSN 打印: 1064-2285
ISSN 在线: 2162-6561

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DOI: 10.1615/HeatTransRes.v31.i6-8.30
pages 388-398

Heat and Mass Transfer and Friction in Injection to a Supersonic Region of the Laval Nozzle

G. P. Kalmykov
M. V. Keldysh Research Center, Moscow, Russia
Artur V. Dmitrenko
Department of Thermal Physics, National Research Nuclear University "MEPhI", 31 Kashirskoe Shosse, Moscow, 115409, Russia; Department of Power Engineering, Moscow State University of Railway Engineering (MIIT), 9 Obraztsov St., Moscow, 127994, Russia

ABSTRACT

Experimental and calculation-theoretical studies on the determination of a flow structure in injection of a foreign gas to a supersonic region of the nozzle are conducted in order to find the possibility of thermal protection of a wall and to reduce losses of specific characteristics due to injection. Experiments are performed on a model engine. Calculation studies are conducted on the basis of a theoretical-calculation method involving a two-scale four-parameter model of turbulence with account for density fluctuations in all equations.


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