Volume 28 Issue 7
Jul.  2013
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XIANG Hong-hui, HOU Min-jie, LIU Zhi-gang. Experiential method for realizing correlation of experimental characteristics of axial flow compressors[J]. Journal of Aerospace Power, 2013, 28(7): 1517-1525.
Citation: XIANG Hong-hui, HOU Min-jie, LIU Zhi-gang. Experiential method for realizing correlation of experimental characteristics of axial flow compressors[J]. Journal of Aerospace Power, 2013, 28(7): 1517-1525.

Experiential method for realizing correlation of experimental characteristics of axial flow compressors

  • Received Date: 2012-11-20
  • Publish Date: 2013-07-28
  • Steady state performance experimental data of more than ten axial flow compressors were arranged and analyzed based on systematic idea. The inherent correlative law of the discrete experimental data in existing aerodynamic and structural design systems was explored statistically. Based on selection of the correlation reference point, estimation of the stability boundary, generalized fitting of the characteristics, solution of the correlation reference point and other aspects, an experiential analysis method for correlating the experimental characteristics of multistage axial flow compressors were built successfully. The results show that the experiential method has good prediction ability for large flow low-speed compressor off-design characteristics, with its general relative error less than ±10%. This analysis method can be applied to experiential reconstruction and advanced evaluation of the off-design characteristics of same type newly designed compressor, providing a technical support for discrete experimental data mining of axial flow compressors.

     

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