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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2012> 21(4): 460-465
LIU Shu-hui, WANG Guo-li, ZHU Qing-le, ZHOU Nian-fa, CHEN Yong. Bearing loads of dual rotor-bearing system under stationary and transient conditions[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2012, 21(4): 460-465.
Citation: LIU Shu-hui, WANG Guo-li, ZHU Qing-le, ZHOU Nian-fa, CHEN Yong. Bearing loads of dual rotor-bearing system under stationary and transient conditions[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2012, 21(4): 460-465.
shu

Bearing loads of dual rotor-bearing system under stationary and transient conditions

  • 1.

    School of Mechanical Engineering, Beijing Institute of Technology,Beijing 100081, China

  • 2.

    Avic Shenyang Liming Aero-Engine (Group) Corporation Ltd, Shenyang 110043, China

  • Received Date:2011-08-07
    Abstract
  • Aimed at aeroengine vibration failure, bearing loads of dual rotor-bearing system caused by unbalance are calculated under stationary and transient conditions. The three-dimensional (3-D) finite element method (FEM) model of dual rotor-bearing system was established. Applying the rotor dynamics function of Ansys 12.0, bearing loads were calculated under various unbalance force in stationary condition, and the transient vibration characteristics and the effect of acceleration on bearing loads were discussed. On the basis of simulation results, the influence disciplines of unbalance on bearing loads and theoretic reference for reducing bearing loads during start-up were obtained.
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    • References (11)
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