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Shock/shock interactions between bodies and wings
Xiang GX(项高翔); Wang C(王春); Teng HH(腾宏辉); Jiang ZL(姜宗林)

This paper examines the Shock/Shock Interactions (SSI) between the body and wing of aircraft in supersonic flows. The body is simplified to a flat wedge and the wing is assumed to be a sharp wing. The theoretical spatial dimension reduction method, which transforms the 3D problem into a 2D one, is used to analyze the SSI between the body and wing. The temperature and pressure behind the Mach stem induced by the wing and body are obtained, and the wave configurations in the corner are determined. Numerical validations are conducted by solving the inviscid Euler equations in 3D with a Non-oscillatory and Non-free-parameters Dissipative (NND) finite difference scheme. Good agreements between the theoretical and numerical results are obtained. Additionally, the effects of the wedge angle and sweep angle on wave configurations and flow field are considered numerically and theoretically. The influences of wedge angle are significant, whereas the effects of sweep angle on wave configurations are negligible. This paper provides useful information for the design and thermal protection of aircraft in supersonic and hypersonic flows. (C) 2018 Production and hosting by Elsevier Ltd. on behalf of Chinese Society of Aeronautics and Astronautics.

KeywordBody And Wing Flow Field Hypersonic Flow Shock/shock Interaction Wave Configurations
Indexed BySCI ; EI ; CSCD
WOS IDWOS:000427445000006
WOS KeywordPlanar Shock ; Flows
WOS Research AreaEngineering, Aerospace
WOS SubjectEngineering
Funding OrganizationFundamental Research Funds for the Central Universities of China [31020170QD087]
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWang C(王春)
Affiliation1.Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710129, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xiang GX,Wang C,Teng HH,et al. Shock/shock interactions between bodies and wings[J]. CHINESE JOURNAL OF AERONAUTICS,2018,31(2):255-261.
APA Xiang GX,Wang C,Teng HH,&Jiang ZL.(2018).Shock/shock interactions between bodies and wings.CHINESE JOURNAL OF AERONAUTICS,31(2),255-261.
MLA Xiang GX,et al."Shock/shock interactions between bodies and wings".CHINESE JOURNAL OF AERONAUTICS 31.2(2018):255-261.
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