Volume 23 Issue 2
Feb.  2008
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JIANG Hua-bing, LU Ya-jun, YUAN Wei, LI Qiu-shi, HOU An-ping. Influence of inlet distortion on the stall character of a low speed axial compressor[J]. Journal of Aerospace Power, 2008, 23(2): 355-360.
Citation: JIANG Hua-bing, LU Ya-jun, YUAN Wei, LI Qiu-shi, HOU An-ping. Influence of inlet distortion on the stall character of a low speed axial compressor[J]. Journal of Aerospace Power, 2008, 23(2): 355-360.
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Influence of inlet distortion on the stall character of a low speed axial compressor

  • National Key Laboratory on Aero-engines, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 2007-01-23
  • Rev Recd Date: 2007-06-13
  • Publish Date: 2008-02-28
    Abstract
  • Flat baffle was utilized to simulate the inlet distorted flow field,and its influence on the stall character of a low speed single stage axial compressor was investigated.The instantaneous characteristic of the compressor,the development process of stall disturbance and the frequency spectrum of the stall disturbance signal were investigated to explore the influence of inlet distortion on the form,intensity and frequency of rotating stall of the compressor.Astall disturbance formed in the distorted flow sector will experience development and damping when it propagates circumferentially,which will effectively influence the stall character of the compressor.Stall inception occurs only when the damping of the disturbance is insufficient to prevent its growth and surrounding propagation.

     

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