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Theoretical solutions to three-dimensional asymmetrical shock/shock interaction

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Abstract

This paper explores theoretical solutions to the three-dimensional (3D) shock/shock interaction induced by 3D asymmetrical intersecting compression wedges in supersonic inviscid flows. For Mach interactions, an analytical method known as spatial-dimension reduction, which transforms the problem of 3D steady shock/shock interaction into a two-dimensional (2D) pseudo-steady problem on cross sections, is used to obtain the solutions in the vicinity of the Mach stem. The theoretical solutions include the pressure, temperature, density, Mach number behind the Mach stem, and total pressure recovery coefficient. Numerical simulations are performed to validate the theoretical results. Here, the NND scheme is employed by solving 3D inviscid Euler equations, and good agreements are obtained. The asymmetry of the flow characteristics induced by the wedge angle and sweep angle are thoroughly discussed.

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Authors and Affiliations

  1. State Key Laboratory of High Temperature Gas Dynamics (LHD), Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China

    GaoXiang Xiang, Chun Wang, ZongMin Hu & ZongLin Jiang

  2. Beijing Institute of Aerospace Long March Vehicle, Beijing, 100076, China

    XuDong Li

Authors
  1. GaoXiang Xiang
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  2. Chun Wang
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  3. ZongMin Hu
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  4. XuDong Li
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  5. ZongLin Jiang
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Correspondence to Chun Wang.

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Xiang, G., Wang, C., Hu, Z. et al. Theoretical solutions to three-dimensional asymmetrical shock/shock interaction. Sci. China Technol. Sci. 59, 1208–1216 (2016). https://doi.org/10.1007/s11431-016-6036-z

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  • DOI: https://doi.org/10.1007/s11431-016-6036-z

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