Volume 26 Issue 8
Aug.  2011
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Article Navigation >  Journal of Aerospace Power  > 2011  >  26(8): 1871-1878
LIU Hua-ping, CHEN Huan-long, YUAN Ji-lai, CHEN Fu. Influence on the performance of compressor cascade with alterative incidence angles by the plasma[J]. Journal of Aerospace Power, 2011, 26(8): 1871-1878.
Citation: LIU Hua-ping, CHEN Huan-long, YUAN Ji-lai, CHEN Fu. Influence on the performance of compressor cascade with alterative incidence angles by the plasma[J]. Journal of Aerospace Power, 2011, 26(8): 1871-1878.
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Influence on the performance of compressor cascade with alterative incidence angles by the plasma

  • School of Energy Science and Engineering, Harbin Institute of Technology,Harbin 150001,China

  • Received Date: 2010-07-16
  • Rev Recd Date: 2010-12-03
  • Publish Date: 2011-08-28
    Abstract
  • The plasma effect on the performance of high-turning compressor cascade was investigated at different incidence angles,voltages and electrodes locations.The results show that,with the increase of the incidence angle,the aggravation of the flow separation is a primary reason for the increase of the cascade losses,while the boundary layer losses near the end-wall decrease due to the reduction of the flow velocity.At all the incidence angles (i=0°,5°,-5°),the plasma actuator could weaken the separation,reduce the cascade losses and increase the blade loading effectively.The bigger the voltage and the closer the electrodes to the separation line,the more obvious the plasma effect becomes.And the bigger incidence angle leads to weaker plasma effect.Although the electrodes are installed along the whole blade height,the plasma merely reduces the losses in the region above 10% blade height,and the loss reduction is almost the same in this zone.

     

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