Volume 26 Issue 5
May  2011
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Article Navigation >  Journal of Aerospace Power  > 2011  >  26(5): 1135-1141
CHEN Wei, DU Fa-rong, DING Shui-ting, HAN Shu-jun, LI Yun-qing. Research on vibration absorber for a super-high speed rotor system[J]. Journal of Aerospace Power, 2011, 26(5): 1135-1141.
Citation: CHEN Wei, DU Fa-rong, DING Shui-ting, HAN Shu-jun, LI Yun-qing. Research on vibration absorber for a super-high speed rotor system[J]. Journal of Aerospace Power, 2011, 26(5): 1135-1141.
shu

Research on vibration absorber for a super-high speed rotor system

  • 1.

    Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China

  • 2.

    School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 2010-03-16
  • Rev Recd Date: 2010-07-01
  • Publish Date: 2011-05-28
    Abstract
  • A kind of freely assembled dry friction vibration absorber was presented to solve the problems of instability and rubbing faults for a super-high speed rotor system based on theory of dry friction dissipating energy from rotor vibration.In this structure,a wave-shaped elastic pad and some dry friction pads were freely assembled on shaft,and axial normal force was provided for elastic pad and dry friction pads by pre-loaded moment for nut.When friction pads moved with shaft,the relative movements between them could dissipate vibration energy from rotor system,absorb vibration and enhance system stability.The configuration format meeting the stability in engineering for the damper of the studied rotor system has been acquired by testing different groups of dry friction pads and pre-loaded moment.The results show that dry friction damper is suitable for high speed and light loaded rotor system to restrain vibration and enhance its stability.The testing routine is helpful to find a comfortable configuration format in engineering of dry friction damper.

     

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