Volume 27 Issue 10
Oct.  2012
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Article Navigation >  Journal of Aerospace Power  > 2012  >  27(10): 2336-2341
MI Dong, YIN Ze-yong, QIAN Zheng-ming, ZHANG Zhi-yi, FENG Li-yong. Structure optimization method of radial inflow impeller based on design of experiment and support vector machine[J]. Journal of Aerospace Power, 2012, 27(10): 2336-2341.
Citation: MI Dong, YIN Ze-yong, QIAN Zheng-ming, ZHANG Zhi-yi, FENG Li-yong. Structure optimization method of radial inflow impeller based on design of experiment and support vector machine[J]. Journal of Aerospace Power, 2012, 27(10): 2336-2341.
shu

Structure optimization method of radial inflow impeller based on design of experiment and support vector machine

  • 1.

    School of Jet Propulsion, Beijing University of Aeronautics and Astronautics,Beijing 100191,China

  • 2.

    Aviation Powerplant Research Institute, Aviation Industry Corporation of China,Zhuzhou Hunan 412002,China

  • Received Date: 2012-05-18
  • Publish Date: 2012-10-28
    Abstract
  • The investigation of two critical techniques was conducted to shorten the structure optimization time of a radial inflow impeller. Firstly, in order to reduce optimization scale, the technique of design of experiment (DOE) was used to choose the critical ones from a large number of disk structure dimensions as the optimization design variables. Secondly, in order to lessen analysis time, the technique of support vector machine (SVM) was used to establish surrogate model for stress and vibration analysis of the radial inflow impeller. Based on the investigation above, a structure optimization method of radial inflow impeller was presented, which was low time-consuming. It was demonstrated by one example that the life of optimized impeller increased almost four times and optimization time was one twenty-seventh of that of traditional optimization method.

     

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