Volume 23 Issue 5
May  2008
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Article Navigation >  Journal of Aerospace Power  > 2008  >  23(5): 871-876
XING Fei, FAN Wei-jun, LIU Yang, KONG Zhao-jian, LIU Yu-ying, YANG Mao-lin. Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor[J]. Journal of Aerospace Power, 2008, 23(5): 871-876.
Citation: XING Fei, FAN Wei-jun, LIU Yang, KONG Zhao-jian, LIU Yu-ying, YANG Mao-lin. Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor[J]. Journal of Aerospace Power, 2008, 23(5): 871-876.
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Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor

  • National Key Laboratory on Aero-Engines, School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 2007-05-11
  • Rev Recd Date: 2007-11-16
  • Publish Date: 2008-05-28
    Abstract
  • To investigate the combustion efficiency and temperature distribution performance of a trapped vortex combustor(TVC)test rig,many experiments were conducted for structural improvement of fuel-air matching under various inlet conditions. Concavity oil supply was applied to TVCduring the experiment in view of the secondary combustion in front of and between turbines.The results of the experiment indicate that,the combustion efficiency could increase by 12%;when the concavity equivalence ratio is less than1.5,the combustion efficiency will reach over 95%;Pattern factor(f) of all the cases is between0.05 and 0.015 in various working conditions.

     

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