INFLUENCE OF THREE-DIMENSIONAL PERTURBATIONS ON HEAT TRANSFER IN HYPERSONIC FLOW

被引：1

作者：

Egorov, Ivan ^{[1
]}

Palchekovskaya, Natalia ^{[1
]}

Shvedchenko, Vladimir ^{[1
]}

机构：

[1] Cent Aerohydrodynam Inst, Zhukovskii, Moscow Region, Russia

来源：

COMPUTATIONAL THERMAL SCIENCES | 2013年 / 5卷 / 01期

关键词：

heat transfer; perturbations; hypersonic flow;

D O I：

10.1615/ComputThermalScien.2013006954

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The present paper deals with the three-dimensional flow in a shock layer at supersonic transverse flow conditions over the front surface of a cylinder and a sphere under small, spatially periodic perturbations along the transverse coordinate. Based on the numerical solution of the unsteady three-dimensional Navier-Stokes equations, it is shown that small imposed perturbations of the free-stream velocity (0.5-3 %) along the transverse coordinate lead to the shock curvature and cause the formation of vortex structures in the shock layer and significant perturbations of the heat flux on the surface.

引用

页码：83 / 95

页数：13

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