Centrifugal compressor blade optimization based on uniform design and genetic algorithms

Research Article


An optimization approach to centrifugal compressor blade design, incorporating uniform design method (UDM), computational fluid dynamics (CFD) analysis technique, regression analysis method and genetic algorithms (GA), is presented. UDM is employed to generate the geometric information of trial samples whose performance is evaluated by CFD technique. Then, function approximation of sample information is performed by regression analysis method. Finally, global optimization of the approximative function is obtained by genetic algorithms. Taking maximum isentropic efficiency as objective function, this optimization approach has been applied to the optimum design of a certain centrifugal compressor blades. The results, compared with those of the original one, show that isentropic efficiency of the optimized impeller has been improved which indicates the effectiveness of the proposed optimization approach.


energy and power engineering compressor optimum design blade uniform design genetic algorithms 


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Copyright information

© Higher Education Press and Springer-Verlag GmbH 2008

Authors and Affiliations

  • Xinwei Shu
    • 1
  • Chuangang Gu
    • 1
  • Jun Xiao
    • 1
  • Chuang Gao
    • 1
  1. 1.School of Mechanical EngineeringShanghai Jiao Tong UniversityShanghaiChina

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