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Volume 24 Issue 5
May  1998
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Journal of Beijing University of Aeronautics and Astronautics  > 1998  >  24(5): 533-537.
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Citation: Liu Fangjie. Methods of Analysis Failure of Squeeze Film Damper[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(5): 533-537. (in Chinese)
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Methods of Analysis Failure of Squeeze Film Damper

  • Beijing University of Aeronautics and Astronautics,Dept. of Jet Propulsion

  • Received Date: 22 Sep 1997
  • Publish Date: 31 May 1998
    Abstract
  • The methods of analysis failures of squeeze film damper are emphasis on expounded.First, the studies of squeeze film damper of the principal aeroengine manufacture factories in the international have been introduced. It is not only to help the envelopment of squeeze film damper for China but also it raises an inspiration that is to research the failure of squeeze film damper should be based on the collocations of synthetical parameters. Thus the bearing parameter B and unbalance eccentricity ratio U are used as the elementary parameters to detail the methods of analysis failures. There are two cases to define the failure . One is the rotor system can not to strit over the critical speed ,and the other is arising the bistable characteristic. The data and character diagram of unable to strid over critical speed ,and three typical bistable curves have been presented.

     

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    • References(1)
  • 1. 刘方杰.挤压油膜阻尼器失效问题分析.北京航空航天大学学报,1998,24(3):295~300 2. Vance J M,Kirton J A.Experimental measurment of the dynamic force response of a squeeze film bearing damper.Trans ASME,J of Engineering for Industry,1975.1282~1290 3. Zeidan F Y,Vance J M.Cavitation leading to a two phase fluid in a squeeze film damper.Tribology Trans,1989,32(1):100~104 4. Magge N.Philosophy,design, and evaluation of soft-mounted engine rotol system.J Aircraft,1975,12(4):318~324 5. The Rolls Royce RB 211 three shaft turbofan.Aircraft Engineering,1968.22~26 6. Courage J B. Experimental study of an inter-shaft squeeze film bearing.I Mech E,1980.375~380 7. Brown P E.Bearings and dampers for advenced jet engine. SAE Paper,1970,79(2):998~1009 8. Feder E,Bansal P N,Blanco A.Investigation squeeze film damper forces produced by cicular centered orbits.Trans ASME,J Engineering for Power,1978,100:15~21 9. Hibner D H.Dynamic response of viscous-damped multi-shaft jet engine.J Aircraft,1975,12(4):305~312 10. Kirk R G,Hibner D H.A note on blade loss dynamic of rotor-bearing ystem.Trans ASME,J of Engineering for Industry,1976.497~504
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