Volume 31 Issue 1
Jan.  2016
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WU Ya-dong, CAO An-guo, LIU Peng-yin, DU Zhao-hui. Application of Pareto multi-objective algorithm in centrifugal compressor volute optimization[J]. Journal of Aerospace Power, 2016, 31(1): 92-99. doi: 10.13224/j.cnki.jasp.2016.01.013
Citation: WU Ya-dong, CAO An-guo, LIU Peng-yin, DU Zhao-hui. Application of Pareto multi-objective algorithm in centrifugal compressor volute optimization[J]. Journal of Aerospace Power, 2016, 31(1): 92-99. doi: 10.13224/j.cnki.jasp.2016.01.013

Application of Pareto multi-objective algorithm in centrifugal compressor volute optimization

doi: 10.13224/j.cnki.jasp.2016.01.013
  • Received Date: 2014-05-25
  • Publish Date: 2016-01-28
  • A centrifugal compressor aerodynamic optimization system based on Pareto multi-objective algorithm was established.The system integrated the parameterized geometric model, ICEM(integrated computer engineering and manufacturing) mesh generation, CFX(computational fluid dynamics X) computation and CFD combined optimization technique.Using this system, the optimization was implemented for a centrifugal compressor volute, and the total pressure loss coefficient and static pressure recovery coefficient were chosen as target variables.Compared with prototype design, the average total pressure loss coefficient of optimal design decreased by 11.79% and the average static pressure recovery coefficient increased by 16.97%.Meanwhile, the secondary flow inside the volute was reduced to a certain degree, and the volute matched better with the impeller.The results show that the multi-objective optimization system is effective to the performance of the centrifugal compressor.

     

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