Turbulent Heat Exchange on the Surface of a Sharp Plate at a Supersonic Flow at M = 6 ÷ 8


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The results of calculations of convective heating of a sharp plate during flow around it with a supersonic stream at a speed of M = 6 ÷ 8 are presented. For calculations, the author's computer code NERAT-2D was used, which implements the Reynolds-averaged Navier − Stokes equations, together with algebraic models of turbulence suggested by Baldwin − Lomax and Prandtl.
Good agreement is shown with experimental data for convective heating in a turbulent boundary layer.
The analysis of the distribution of gas-dynamic functions in different cross-sections of the streamlined plate is carried out.

convective heating, laminar-turbulent transition, flow around a plate, supersonic speed.

DOI: http://doi.org/10.33257/PhChGD.20.4.890


Volume 20, issue 4, 2019 year


Турбулентный теплообмен на поверхности острой пластины при сверхзвуковом обтекании при M = 6 ÷ 8

Представлены результаты расчетов конвективного нагрева острой пластины, при обтекании ее сверхзвуковым потоком со скоростью M = 6 ÷ 8. Для расчетов использовался авторский компьютерный код NERAT-2D, реализующий усредненные по Рейнольдсу уравнения Навье − Стокса, совместно с алгебраическими моделями турбулентности Болдуина − Ломакса и Прандтля.
Показано хорошее совпадение по конвективному нагреву в турбулентном пограничном слое с экспериментальными данными.
Выполнен анализ распределения газодинамических функций в разных поперечных сечениях обтекаемой пластины.

конвективный нагрев, ламинарно-турбулентный переход, обтекание пластины, сверхзвуковая скорость

DOI: http://doi.org/10.33257/PhChGD.20.4.890


Volume 20, issue 4, 2019 year



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