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Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v31.i6-8.20
pages 380-387

Numerical Simulation of the Effect of Porous Cooling in Aerodynamic Heating of the Elements of Air Ducts and Surfaces by a Hypersonic Viscous Gas Flow

Alexander Leontiev
Joint Institute for High Temperatures
V. V. Nosatov
N. E. Bauman Moscow State Technical University, Moscow, Russia
G. S. Sadovnikov
N. E. Bauman Moscow State Technical University, Moscow, Russia
D. P. Frolov
Academy of Civil Aviation, St. Petersburg, Russia

Краткое описание

Effectiveness of the conception of porous cooling is diagnosed in numerical stimulation of aerodynamic heating of a wall that is caused by interaction of a generated shock wave and a boundary layer developing along the surface in a hypersonic flow past a wall and a blunt wedge. The developed programming complex based on the solution of the system of the Navier-Stokes and Reynolds equations, which in the latter case is closed by two differential equations of a dissipation two-parameter model of turbulence, by the explicit-implicit finite-difference McCormack method is tested in the solution of a classic problem of interaction between an oblique shock wave and a turbulent boundary layer. The results of calculation are compared to the available data of experimental studies. Numerical prediction of flow characteristics and heat transfer showed a substantial decrease in heat transfer in the case of realization of low-intensity gas injection at the most thermally stressed site of the wall.


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