Volume 30 Issue 8
Aug.  2015
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KUANG Hai-yang, CHU Wu-li, ZHANG Hao-guang. Experimental and mechanism analysis of casing treatment with different axial angles[J]. Journal of Aerospace Power, 2015, 30(8): 1900-1908. doi: 10.13224/j.cnki.jasp.2015.08.013
Citation: KUANG Hai-yang, CHU Wu-li, ZHANG Hao-guang. Experimental and mechanism analysis of casing treatment with different axial angles[J]. Journal of Aerospace Power, 2015, 30(8): 1900-1908. doi: 10.13224/j.cnki.jasp.2015.08.013

Experimental and mechanism analysis of casing treatment with different axial angles

doi: 10.13224/j.cnki.jasp.2015.08.013
  • Received Date: 2014-01-20
  • Publish Date: 2015-08-28
  • Experimental and numerical simulations were performed on a subsonic compressor to investigate the stabilizing mechanisms of casing treatment with different axial angles at rotation speed of 8130r/min.Flow structures and static pressure distribution of rotor tip,flow structure in the slots(or grooves),loss distribution in rotor tip,axial momentum of the injected flow at different mass flows were studied.Results confirmed that the capability of the casing treatment of extending the compressor stall margin first increased and then decreased within the whole mass flow range,the loading of rotor tip increased and the isentropic efficiency decreased under large mass flow with the increasing axial angle of the casing treatment.

     

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