Volume 28 Issue 1
Jan.  2013
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LI Xiao-jun, GAO Li-min, XIE Jian, LIU Bo. Rotating stall mechanism of dual-stage contra-rotating compressor[J]. Journal of Aerospace Power, 2013, 28(1): 188-194.
Citation: LI Xiao-jun, GAO Li-min, XIE Jian, LIU Bo. Rotating stall mechanism of dual-stage contra-rotating compressor[J]. Journal of Aerospace Power, 2013, 28(1): 188-194.

Rotating stall mechanism of dual-stage contra-rotating compressor

  • Received Date: 2011-12-22
  • Publish Date: 2013-01-28
  • Based on steady numerical simulation of contra-rotating compressor in lab, a numerical investigation of the rotating stall mechanism of a contra-rotating axial flow compressor was conducted.The study shows that:(1) the rotating stall inception which appears near the stall point is “spike” type;(2) the tip clearance vortex in rotor 2 develops rapidly near the stall point and the passage is chocked,which cause the instability of the whole compressor;(3) the aerodynamic stability of compressor is determined by the development of tip clearance vortex in rotor 2 because of the high loading on the blades.

     

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