Volume 31 Issue 12
Dec.  2016
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Article Navigation >  Journal of Aerospace Power  > 2016  >  31(12): 3034-3041
CAO Chuan-jun, LI Bin, LIU Xian-zhi, FENG Jin-zhang. Method of generating airfoil manufacturing coordinates based on cold airfoil[J]. Journal of Aerospace Power, 2016, 31(12): 3034-3041. doi: 10.13224/j.cnki.jasp.2016.12.028
Citation: CAO Chuan-jun, LI Bin, LIU Xian-zhi, FENG Jin-zhang. Method of generating airfoil manufacturing coordinates based on cold airfoil[J]. Journal of Aerospace Power, 2016, 31(12): 3034-3041. doi: 10.13224/j.cnki.jasp.2016.12.028
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Method of generating airfoil manufacturing coordinates based on cold airfoil

doi: 10.13224/j.cnki.jasp.2016.12.028

  • Commerical Aircraft Engine Company Limited, Aero Engine(Group) Corporation of China, Shanghai 201108, China

  • Received Date: 2016-03-31
  • Publish Date: 2016-12-28
    Abstract
  • Method of generating airfoil manufacturing coordinates based on cold airfoil was proposed. It comprised of ordering, interpolating, adding location bias, removing endwall fillet, and fitting endwall airfoil. This method was used to generate multistage axial compressor blade manufacturing coordinates. The difference between manufacturing coordinates and the cold airfoil below 0.01mm except near endwall section was found. Both the waviness of blade surface and curvature of leading or trailing edges were acceptable. Numerical results show the difference between manufacturing coordinate airfoil and cold airfoil has less impact on aerodynamic performance. Mass flow versus total pressure ratio and isentropic efficiency characteristics change little. Besides, flow velocity and flow angle of blade row inlet and outlet, and the detailed flow field have almost no changes. This method can be applied for generating airfoil manufacturing coordinates.

     

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