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Volume 38 Issue 12
Dec.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  38(12): 1572-1576.
Wei Baoxi, Ou Dong, Yan Minglei, et al. Ignition and flame holding ability of plasma torch igniter in a supersonic flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(12): 1572-1576. (in Chinese)
Citation: Wei Baoxi, Ou Dong, Yan Minglei, et al. Ignition and flame holding ability of plasma torch igniter in a supersonic flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(12): 1572-1576. (in Chinese)
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Ignition and flame holding ability of plasma torch igniter in a supersonic flow

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

  • Received Date: 15 May 2011
  • Publish Date: 30 Dec 2012
    Abstract
  • In order to study the application of plasma torch igniter in the scramjet engine, a numerical and experimental study was conducted in a Mach 2 supersonic flow with the ethylene and hydrogen. A detailed analysis of ignition and flame holding characteristics was done at the fuel equivalence ratio from 0.1 to 0.55, and the total temperature between 1 500 K and 1 950 K. The results show that the plasma torch has a positive effect on the ignition process, but the promotion on combustion efficiency is unapparent. An 8 step 9 species and a 3 step 6 species reaction model were used to simulate the ethylene supersonic combustion. The numerical results of 8 step reaction model agrees well with the experimental results.

     

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    • References(11)
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