Volume 30 Issue 9
Sep.  2015
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Article Navigation >  Journal of Aerospace Power  > 2015  >  30(9): 2115-2121
ZHU Zhi-xin, HE Xiao-min, XUE Chong, HONG Liang, QIN Wei-lin. Experiment on performance of a hyper-combustor utilized in turbine based combined cycle engine[J]. Journal of Aerospace Power, 2015, 30(9): 2115-2121. doi: 10.13224/j.cnki.jasp.2015.09.009
Citation: ZHU Zhi-xin, HE Xiao-min, XUE Chong, HONG Liang, QIN Wei-lin. Experiment on performance of a hyper-combustor utilized in turbine based combined cycle engine[J]. Journal of Aerospace Power, 2015, 30(9): 2115-2121. doi: 10.13224/j.cnki.jasp.2015.09.009
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Experiment on performance of a hyper-combustor utilized in turbine based combined cycle engine

doi: 10.13224/j.cnki.jasp.2015.09.009

  • 1. Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;

  • 2. Science and Technology on Scramjet Laboratory, Beijing Power Machinery Institute, China Aerospace Science and Industry Corporation, Beijing 100074, China

  • Received Date: 2014-03-12
  • Publish Date: 2015-09-28
    Abstract
  • Experiments were conducted on a hyper-combustor of the turbine based combined cycle engine. First a model hyper-combustor rig and experimental system were designed, and then experiments were conducted to study the combustion performance including ignition characteristic, lean blowout characteristic and combustion efficiency under different inlet velocity coefficient, inlet temperature and fuel/air ratio(FAR). The test results show that the ignition equivalence ratio firstly decreases and then increases,lean blowout equivalence ratio and combustion efficiency increase with the turbo duct inlet velocity coefficient increasing from 0.10 to 0.25.The ignition and lean blowout equivalence ratio decrease and combustion dfficiency increases when the turbo duct inlet temperature increasing from 573K to 873K. Similarly the combustion efficiency increases when the bypass duct inlet velocity coefficient or temperature increases. The minimum ignition and lean blowout equivalence ratio obtained from the experiment is 0.984 and 0.6 respectively.

     

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