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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)
Source PublicationSHOCK WAVES
2018-03-01
Volume28Issue:2Pages:311-319
ISSN0938-1287
Abstract

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.

KeywordSupersonic Flow 3d Shock/shock Interaction 3d Asymmetrical Wave Configurations Spatial Dimension Reduction
DOI10.1007/s00193-017-0757-1
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000424647300014
WOS KeywordReflection ; Corner
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationNational Natural Science Foundation of China [11372333]
ClassificationQ3
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77918
Collection高温气体动力学国家重点实验室
Corresponding AuthorWang C(王春)
Recommended Citation
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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