Investigation of shock-induced boundary layer separation extended to the flat plate leading-edge

被引：5
作者：
Tao, Yuan [1 ]
Liu, Wei-Dong [1 ]
Fan, Xiao-Qiang [1 ]
机构：
[1] Natl Univ Def Technol, Sci & Technol Scramjet Lab, Changsha 410073, Hunan, Peoples R China
来源：
ACTA MECHANICA | 2016年 / 227卷 / 06期
基金：
中国国家自然科学基金;
关键词：
COMPRESSION RAMP; SIMULATION; VISUALIZATION;
D O I：
10.1007/s00707-016-1599-0
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Experimental investigations and numerical simulations have been carried out to investigate the shock-induced boundary layer separation, which is extended to the flat plate leading-edge. Three typical separation structures are obtained when an incident shock interacts with an boundary layer: one contains an overall regular reflection, one contains an overall Mach reflection, and one contains a detached shock. All the three structures show comparatively stable characteristic in the experiment. Numerical results demonstrate that there possibly exist two different flow field solutions for a uniform flow condition from different initializations. It could be explained as the asymmetric shock reflection hysteresis phenomenon, analyzed from the shock polars.
引用
收藏
页码：1791 / 1797
页数：7
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