Volume 28 Issue 1
Jan.  2013
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WANG Long, ZHONG Yi-Cheng, WU Qing, YANG Ying-kai. Bipyramid Bump compression surface design and aerodynamic characteristics[J]. Journal of Aerospace Power, 2013, 28(1): 82-89.
Citation: WANG Long, ZHONG Yi-Cheng, WU Qing, YANG Ying-kai. Bipyramid Bump compression surface design and aerodynamic characteristics[J]. Journal of Aerospace Power, 2013, 28(1): 82-89.
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Bipyramid Bump compression surface design and aerodynamic characteristics

  • 1.

    College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

  • 2.

    The No.38 Research Institute, China Electronics Technology Group Corporation,Hefei 230001,China

  • 3.

    Chengdu Aircraft Design and Research Institute, Aviation Industry Corporation of China,Chengdu 610015,China

  • Received Date: 2011-12-28
  • Publish Date: 2013-01-28
    Abstract
  • An inverse design numerical method was introduced to investigate the design technique of new bipyramid bump compression surface.The axisymmetric Euler equations with the discontinuities boundary condition were solved on dynamic mesh using computational domain partition method which calculated the second shock wave in order to avoid solving the shock location error by shock capture method.On this basis,a bipyramid Bump example combined with the flat plane was designed by the streamline tracking method introduced to generate Bump compression surface,and it was simulated by computational fluid dynamics in viscosity.The results show that:(1) the model maintains a strong boundary layer swept capacity in the flow field structure;(2) at Mach number 2.0 condition,the method adopted here can make the total pressure recovery coefficient of the Bump compression system increases 0.04 compared to the traditional Bump compression surface based on cone waverider design,also lays the foundation for improving the Bump inlet performance.

     

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