Volume 31 Issue 9
Sep.  2016
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SUN Jian, ZHOU Jin, LIN Zhi-yong, LIU Shi-jie. Influence of chamber length on rotating detonation engine performance[J]. Journal of Aerospace Power, 2016, 31(9): 2080-2086. doi: 10.13224/j.cnki.jasp.2016.09.005
Citation: SUN Jian, ZHOU Jin, LIN Zhi-yong, LIU Shi-jie. Influence of chamber length on rotating detonation engine performance[J]. Journal of Aerospace Power, 2016, 31(9): 2080-2086. doi: 10.13224/j.cnki.jasp.2016.09.005

Influence of chamber length on rotating detonation engine performance

doi: 10.13224/j.cnki.jasp.2016.09.005
  • Received Date: 2014-12-11
  • Publish Date: 2016-09-28
  • Numerical simulations using single step chemical model were carried out to investigate the influence of chamber length on rotating detonation engine (RDE) with an equivalence ratio of 1.0. By analyzing the gas condition parameters of chamber inlet and outlet, the internal mechanism of the influence of chamber length on RDE performance was revealed clearly. The results show that when the chamber length is too short, the detonation wave is not fully formed; the momentum thrust is the main part of thrust; within the range of chamber lengths simulated, the specific impulses are 5410-5566s, thus the chamber length has little effect on RDE performance.

     

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