Evolution of disturbances in a laminarized supersonic boundary layer on a swept wing

被引：0
|
作者：
N. V. Semionov
Yu. G. Ermolaev
A. D. Kosinov
机构：
[1] Russian Academy of Sciences,Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Division
来源：
Journal of Applied Mechanics and Technical Physics | 2008年 / 49卷
关键词：
supersonic boundary layer; swept wing; transition; stationary disturbances; stability;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Experimental data on stability of a three-dimensional supersonic boundary layer on a swept wing are presented. The experiments are performed on a swept wing model with a lenticular profile with a 40° sweep angle of the leading edge at a zero angle of attack. The supersonic boundary layer on the swept wing was laminarized with the use of distributed roughness. A pioneering study of interaction of traveling and stationary disturbances is performed. Some specific features of this interaction are identified. The main reason for turbulence emergence in a supersonic boundary layer on a swept wing is demonstrated to be secondary crossflow instability.
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页码：188 / 193
页数：5
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