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The Influence of Sidewall Contraction Ratio on the Starting Performance of RBCC Supersonic Sidewall-compression Inlet
Received date: 2010-08-30
Online published: 2025-05-30
Sidewall compression is the primary compression form for rocket based combined cycle (RBCC) engine during low operat ing Mach numbers. It was investigated in this paper that the influence of sidewall contraction ratio on the starting performance of a typical RBCC supersonic sidewall-compression inlet Performance parameters and flow field characters were attained by numerical simulation. The investigation shows that mutation of the flow field occurs during the starting process for the inlet with different sidewall contraction ratio. This mutation is synchronous with the sudden augment of the total pressure recovery. The Mach number corresponding with this synchronicity is the starting Mach number. It is advisable to choose RBCC inlet with moderate sidewall contraction ratio.
WU Yake , HE Guoqiang , LIU Peijin , LIU Xiaowei . The Influence of Sidewall Contraction Ratio on the Starting Performance of RBCC Supersonic Sidewall-compression Inlet[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2011 , 31(3) : 146 -150 . DOI: 10.15892/j.cnki.djzdxb.2011.03.029
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