On the theory of supersonic inviscid flow separation in gasdynamic problems

被引：2

作者：

Tugazakov, R. Ya. ^{[1
]}

机构：

[1] Cent Aerohydrodynam Inst TsAGI, Ul Zhukovskogo 1, Zhukovskii 140180, Moscow Oblast, Russia

来源：

FLUID DYNAMICS | 2016年 / 51卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

shock waves; separation; Kelvin-Helmholtz instability; self-similar and conical flows;

D O I：

10.1134/S0015462816050136

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A general schematic flow representation that explains the mechanism of inviscid gas separation in time-dependent and three-dimensional gas flows is presented. The scenario of gas flow separation from a body surface or a mixing layer is described as a vortex which induces in the flowfield a velocity opposing to that of the main flow, thus decelerating it. Within the framework of this scenario the analytical conditions of separation are obtained for conical and self-similar gas flows which coincide with the results of experimental and numerical simulations.

引用

页码：689 / 695

页数：7

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