Volume 26 Issue 4
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XIE Kan, LIU Yu, WANG Yi-bai. Steady numerical study of aerodynamic throat formed by round injectors[J]. Journal of Aerospace Power, 2011, 26(4): 924-930.
Citation: XIE Kan, LIU Yu, WANG Yi-bai. Steady numerical study of aerodynamic throat formed by round injectors[J]. Journal of Aerospace Power, 2011, 26(4): 924-930.
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Steady numerical study of aerodynamic throat formed by round injectors

  • School of Astronautics, Beijing University of Aeronautics and Astronautics,Beijing 100191,China

  • Received Date: 2010-03-02
  • Rev Recd Date: 2010-04-25
  • Publish Date: 2011-04-28
    Abstract
  • A three-dimensional (3-D) numerical simulation of aerodynamic throat formed by secondary flow from round injectors,which was applied to solid propellant rocket motors,was performed in this paper.The typical 3-D flow structure and mass flow character of round injectors were reviewed.The influence of different injector area ratios,injector numbers,injection angles,injector types and major nozzle parameter were studied.The results show that the mass control performance of aerodynamic throat can be obviously improved by increasing injector numbers,applying reverse injection or convergence injector type at the same injector area ratio.

     

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