Volume 24 Issue 3
Mar.  1998
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Liu Fangjie. Analysis Failures on Attenuating Vibration of Squeeze Film Damper[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(3): 295-300. (in Chinese)
Citation: Liu Fangjie. Analysis Failures on Attenuating Vibration of Squeeze Film Damper[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(3): 295-300. (in Chinese)

Analysis Failures on Attenuating Vibration of Squeeze Film Damper

  • Received Date: 23 Feb 1997
  • Publish Date: 31 Mar 1998
  • The meaning of study the failure of attenuating vibration of the squeeze film damper is detailed.First,the achievement in scientific research accomplished by J.W.Lund,E.J.Hahn,R.Holmes,R.A.Cookson and E.J.Gunter five academic groups for study the squeeze film damper in international is compendiously reviewed.The talks about the failure on attenuating vibration of squeeze film damper for them are concluded.Specially the reasons of failure of squeeze film damper caused by its not proper design are emphalically point out.The phenomena of failure are not going across the critical speed of a rotor,and causing the rotor bearing system to produce a bistable characteristic.The methods to avoid the failure have:to adjust the relationship between the radial clearance and the unbalance,applied the full film,to use flexible bearing housing and limited the unbalance.The conclusion of this paper is if the design parameters are not properly selected is not only unable to attenuate vibration but also cause the operation of rotor system unstable or unable to stride over critical state.

     

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