Volume 35 Issue 1
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LIU Yuying, ZHOU Chunyang, XIE Yi. Preliminary experiment on the lean blow-off of an integrated cavity-based strut flameholder[J]. Journal of Aerospace Power, 2020, 35(1): 75-80. doi: 10.13224/j.cnki.jasp.2020.01.009
Citation: LIU Yuying, ZHOU Chunyang, XIE Yi. Preliminary experiment on the lean blow-off of an integrated cavity-based strut flameholder[J]. Journal of Aerospace Power, 2020, 35(1): 75-80. doi: 10.13224/j.cnki.jasp.2020.01.009
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Preliminary experiment on the lean blow-off of an integrated cavity-based strut flameholder

doi: 10.13224/j.cnki.jasp.2020.01.009

  • School of Energy and Power Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China

  • Received Date: 2019-06-27
  • Publish Date: 2020-01-28
    Abstract
  • The incoming air temperature was within the range of 773-1 073 K. The incoming flow Mach number ranged from 020-032. The results showed that, the lean blow-off (LBO) fuel/air ratio of integrated cavity-based strut flameholder (ICBSF) was within the range of 0001 3-0002 7 and had a wide lean blow-off limit because of the cavity structure favorable for evaporation and atomization of fuel. LBO fuel/air ratio of ICBSF increased with the increase of incoming flow Mach number and decreased with the increase of flow temperature, similar to that of conventional bluff-body stabilizers. When the temperature of incoming flow was significantly increased, the influence of the incoming Mach number on fuel/air ratio of ICBSF was weakened; similarly, when the incoming Mach number was significantly increased, the influence of the inflow temperature was also weakened.

     

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