Volume 29 Issue 8
Aug.  2014
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LIU Bo, MA Nai-xing, YANG Xiao-dong, CAO Zhi-yuan. Deviation angle models suitable for wider range of blade profile camber in axial-flow compressor[J]. Journal of Aerospace Power, 2014, (8): 1824-1831. doi: 10.13224/j.cnki.jasp.2014.08.010
Citation: LIU Bo, MA Nai-xing, YANG Xiao-dong, CAO Zhi-yuan. Deviation angle models suitable for wider range of blade profile camber in axial-flow compressor[J]. Journal of Aerospace Power, 2014, (8): 1824-1831. doi: 10.13224/j.cnki.jasp.2014.08.010

Deviation angle models suitable for wider range of blade profile camber in axial-flow compressor

doi: 10.13224/j.cnki.jasp.2014.08.010
  • Received Date: 2013-05-19
  • Publish Date: 2014-08-28
  • A set of models were selected after studying a series of deviation angle models, and the design deviation angle model was revised. On this basis, a deviation angle model for axial-flow compressor was developed by combining the calculation of S1 flow field. In addition, an off-design deviation angle model was used. The results show that the program for calculating S1 flow field is accurate in a certain incidence angle range. Through verification of a series of cascades, the prediction accuracy of the design deviation angle models is improved, and the error is reduced to 1° no matter the blade profile camber is big or small. The prediction model of axial-flow compressor's design deviation angle is applied to a series of axial-flow compressors, and the error is reduced to 2°. This means that the model is effective.

     

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