Volume 31 Issue 12
Dec.  2016
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Article Navigation >  Journal of Aerospace Power  > 2016  >  31(12): 2949-2956
ZHANG Ye, SHEN Xiu-li. Influence of tenon structure contact surface geometry on contact stress[J]. Journal of Aerospace Power, 2016, 31(12): 2949-2956. doi: 10.13224/j.cnki.jasp.2016.12.017
Citation: ZHANG Ye, SHEN Xiu-li. Influence of tenon structure contact surface geometry on contact stress[J]. Journal of Aerospace Power, 2016, 31(12): 2949-2956. doi: 10.13224/j.cnki.jasp.2016.12.017
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Influence of tenon structure contact surface geometry on contact stress

doi: 10.13224/j.cnki.jasp.2016.12.017

  • 1. Research and Developing Center, Commercial Aircraft Engine Company Limited, Aero Engine(Group) Corporation of China, Shanghai 201108, China;

  • 2. School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;

  • 3. Collaborative Innovation Center for Advanced Aero-Engine, Beijing 100191, China

  • Received Date: 2015-02-12
  • Publish Date: 2016-12-28
    Abstract
  • Targeting the contact boundary calculation accuracy problems, grid partition strategy suitable for the tenon structure contact area was proposed in combination with the photo-elastic experiment. On this basis, further analysis of the influence of tooth structure and tooth profile angle on the contact stress was taken, and applied to verify the trapezoidal tooth structure. Result shows that, the trapezoidal tooth of reasonable structure can effectively reduce the contact stress, with less influence on other dangerous parts, so the reasonably designed trapezoidal tooth has a certain advantage compared with the circular arc tooth. After the optimization which takes the trapezoidal tooth contact angle as design variable, the maximum equivalent stress of contact boundary drops 25.54%.

     

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