Effect of air jet vortex generators on a shock wave boundary layer interaction

被引：84
|
作者：
Souverein, L. J. [1 ,2 ]
Debieve, J. -F. [2 ]
机构：
[1] Delft Univ Technol, Fac Aerosp Engn, NL-2629 HS Delft, Netherlands
[2] Inst Univ Syst Therm Ind, Superson Grp, F-13453 Marseille 13, France
来源：
EXPERIMENTS IN FLUIDS | 2010年 / 49卷 / 05期
关键词：
CROSS-FLOW; INDUCED SEPARATION; TIME ORGANIZATION; TRANSVERSE JET; UNSTEADINESS; SPACE;
D O I：
10.1007/s00348-010-0854-8
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The effect of upstream injection by means of continuous air jet vortex generators (AJVGs) on a shock wave turbulent boundary layer interaction is experimentally investigated. The baseline interaction is of the impinging type, with a flow deflection angle of 9.5A degrees and a Mach number M (e) = 2.3. Considered are the effects of the AJVGs on the upstream boundary layer flow topology and on the spatial and dynamical characteristics of the interaction. To this aim, Stereoscopic Particle Image Velocimetry has been employed, in addition to hot-wire anemometry (HWA) for the investigation of the unsteady characteristics of the reflected shock. The AJVGs cause a reduction of the separation bubble length and height. In addition, the energetic frequency range of the reflected shock is increased by approximately 50%, which is in qualitative agreement with the smaller separation bubble size.
引用
收藏
页码：1053 / 1064
页数：12
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