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Three-dimensional shock wave configurations induced by two asymmetrical intersecting wedges in supersonic flow
Xiang GX(项高翔); Wang C(王春); Teng HH(腾宏辉); Jiang ZL(姜宗林)
2018-03-01
发表期刊SHOCK WAVES
卷号28期号:2页码:311-319
ISSN0938-1287
摘要

This study explores the three-dimensional (3D) wave configurations induced by 3D asymmetrical intersecting compression wedges in supersonic and hypersonic inviscid flows. By using the "spatial dimension reduction" approach, the problem of 3D steady shock/shock interaction is converted to that of the interaction of two moving shock waves in the characteristic two-dimensional (2D) plane. Shock polar theory is used to analyze the shock configurations in asymmetrical situations. The results show that various shock configurations exist in 3D asymmetrical shock wave interactions, including regular interaction, transitioned regular interaction, single Mach interaction, inverse single Mach interaction, transitional double Mach interaction, weak shock interaction, and weak single Mach interaction. All of the above 3D steady shock/shock interactions have their corresponding 2D moving shock/shock interaction configurations. Numerical simulations are performed by solving the 3D inviscid Euler equations with the non-oscillatory, non-free parameters, dissipative (NND) numerical scheme, and good agreement with the theoretical analysis is obtained. Furthermore, the comparison of results show that the concept of the "virtual wall" in shock dynamics theory is helpful for understanding the mechanism of two-dimensional shock/shock interactions.

关键词Supersonic Flow 3d Shock/shock Interaction 3d Asymmetrical Wave Configurations Spatial Dimension Reduction
DOI10.1007/s00193-017-0757-1
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收录类别SCI
语种英语
WOS记录号WOS:000424647300014
关键词[WOS]Reflection ; Corner
WOS研究方向Mechanics
WOS类目Mechanics
项目资助者National Natural Science Foundation of China [11372333]
论文分区Q3
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77918
专题高温气体动力学国家重点实验室
通讯作者Wang C(王春)
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GB/T 7714
Xiang GX,Wang C,Teng HH,et al. Three-dimensional shock wave configurations induced by two asymmetrical intersecting wedges in supersonic flow[J]. SHOCK WAVES,2018,28(2):311-319.
APA Xiang GX,Wang C,Teng HH,&Jiang ZL.(2018).Three-dimensional shock wave configurations induced by two asymmetrical intersecting wedges in supersonic flow.SHOCK WAVES,28(2),311-319.
MLA Xiang GX,et al."Three-dimensional shock wave configurations induced by two asymmetrical intersecting wedges in supersonic flow".SHOCK WAVES 28.2(2018):311-319.
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