Volume 30 Issue 10
Oct.  2015
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WANG Yan-rong, HUANG Zhong-shan, FU Zhi-zhong, SHI Liang. Structural design and optimization for the deformation approaching to hot pofile of a swept fan blade with smaller hub-to-tip ratio[J]. Journal of Aerospace Power, 2015, 30(10): 2305-2311. doi: 10.13224/j.cnki.jasp.2015.10.001
Citation: WANG Yan-rong, HUANG Zhong-shan, FU Zhi-zhong, SHI Liang. Structural design and optimization for the deformation approaching to hot pofile of a swept fan blade with smaller hub-to-tip ratio[J]. Journal of Aerospace Power, 2015, 30(10): 2305-2311. doi: 10.13224/j.cnki.jasp.2015.10.001

Structural design and optimization for the deformation approaching to hot pofile of a swept fan blade with smaller hub-to-tip ratio

doi: 10.13224/j.cnki.jasp.2015.10.001
  • Received Date: 2014-04-15
  • Publish Date: 2015-10-28
  • An iterative method was proposed for determining the cold blade profile from a hot blade profile based on the aerodynamic design. The method was applied to the design optimization of the gravity center tilting of a rotor blade. The optimization was based on the hot profile and the stress calculation on the cold profile. In that way, it could reduce the influence on the aerodynamic performance. A multi-objective optimization procedure of the gravity center tilting based on the commercial package iSIGHT was established by proposing a method of automatically updating the finite element mesh in the determination of cold blade profile. The effect of the disk on the optimization of gravity center tilting of a blade was investigated by referencing a swept fan blade with smaller hub-to-tip ratio. The results show that the maximum values of stress and deformation of a rotor blade are respectively decreased by 10.6% and 46% by the proposed method for a given hot profile from the aerodynamic design.

     

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