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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN On-line: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2013008127
pages 185-204

HEAT FLUX TO THE CYLINDER SURFACE AT THE THREE-DIMENSIONAL PERTURBATIONS OF SUPERSONIC FLOW

Ivan Vladimirovich Egorov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Vladimir Viktorovich Shvedchenko
Central Aerohydrodynamic Institute (TsAGI) , Zhukovsky, Moscow region, Russia

RESUMO

Three-dimensional flow in the shock layer at a supersonic flow over the cylinder frontal surface under imposed small space-periodic perturbations was studied in this work. On the basis of the numerical solution of the unsteady three-dimensional Navier-Stokes equations it was demonstrated that the small imposed perturbations of the incoming flow in the transversal coordinate result in the distortion of the shock wave front, in the generation of the significantly three-dimensional flow in the region of the shock wave, and in the formation of large heat flux perturbations on the surface.


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