Volume 21 Issue 5
Oct.  2006
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ZHANG Yi-min, LIU Qiao-ling, LI He, WEN Bang-chun. Reliability sensitivity investigation of impact-rub for rotor-stator systems[J]. Journal of Aerospace Power, 2006, 21(5): 848-853.
Citation: ZHANG Yi-min, LIU Qiao-ling, LI He, WEN Bang-chun. Reliability sensitivity investigation of impact-rub for rotor-stator systems[J]. Journal of Aerospace Power, 2006, 21(5): 848-853.

Reliability sensitivity investigation of impact-rub for rotor-stator systems

  • Received Date: 2005-08-27
  • Rev Recd Date: 2006-12-07
  • Publish Date: 2006-10-28
  • On the basis of the impact-rub dynamics equations of Jeffcott rotor-stator systems with imbalance,the reliability sensitivity investigation of rotor-stator systems of rotating machinery under impact-rub is presented.Techniques from Kronecker algebra,matrix calculus,fourth moment analysis,probabilistic perturbations,reliability theory and sensitivity technique are employed to systematically develop the mathematical and numerical expressions for reliability sensitivity analysis of rotor-stator systems.The effects of shaft stiffness and damping, stator stiffness and damping,radial clearance and stator radial stiffness on reliability sensitivity are studied and discussed.The numerical results are obtained.

     

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