Interaction between a shock wave and a longitudinal low-density gas layer

被引：0
|
作者：
P. Yu. Georgievskii
V. A. Levin
O. G. Sutyrin
机构：
[1] Lomonosov Moscow State University,Institute of Mechanics
来源：
Fluid Dynamics | 2016年 / 51卷
关键词：
shock waves; inhomogeneous gas; precursor;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The problem of the interaction between a shock wave and a semi-infinite longitudinal plane layer or a cylindrical channel of finite thickness filled with a low-density gas is studied on the basis the Euler equations. The flow gasdynamics, including qualitatively new, regular and irregular, interaction regimes, are described. New gasdynamic flow elements, such as high-pressure jets with an internal wave structure and layered vortices, are found to exist. It is revealed that the gasdynamic precursor growth is decelerated at long time intervals, due to the flow chocking effect and the vorticity development behind its front.
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页码：696 / 702
页数：6
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