Vortical structures of supersonic flow over a delta-wing on a flat plate

被引：27
|
作者：
Wang, D. P. [1 ]
Xia, Z. X. [1 ]
Zhao, Y. X. [1 ]
Wang, Q. H. [1 ,2 ]
Liu, B. [1 ]
机构：
[1] Natl Univ Def Technol, Sci & Technol Scramjet Lab, Changsha 410073, Hunan, Peoples R China
[2] Third Inst, Beijing 100085, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 06期
基金：
中国国家自然科学基金;
关键词：
LAYER; GENERATORS; NPLS;
D O I：
10.1063/1.4790286
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Employing the nanoparticle-based planar laser scattering (NPLS), supersonic flow over a delta-winged vortex generator on a flat plate was experimentally investigated in a supersonic quiet wind tunnel at Ma = 2.68. The fine structures of the flow field, shock waves, separation vortices, wake, and boundary layer transition were observed in the NPLS images. According to the time-correlation of the NPLS images and the measurement results of particle image velocimetry, the structural model of the flow field was improved further, and coherent wake structures were observed, which is of significance theoretically and in engineering application. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4790286]
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页数：4
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