Feng Wei, Li Hongge, Zhang Youguanget al. Novel chaotic frequency modulation circuit for class-D amplifier[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(5): 559-562. (in Chinese)
Citation: Ma Yanhong, Hong Jie, Zhao Fuanet al. Vibration Attenuation Mechanism Investigation of a Adaptive Squeeze Film Damper[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(2): 173-177. (in Chinese)

Vibration Attenuation Mechanism Investigation of a Adaptive Squeeze Film Damper

  • Received Date: 20 Dec 2001
  • Publish Date: 28 Feb 2003
  • An ASFD/MRR (Adaptive Squeeze Film Damper with Metal Rubber outer-Ring) was designed to improve the high non-linearity of oil film force of conventional SFD (Squeeze Film Damper). The ASFD/MRR can effectively reduce vibration due to its ability of automatically adjusting the film clearance by elastic deformation of the metal rubber. Experimental results indicated that ASFD/MRR can control the clearance of the film and its oil film force characteristics are better than those of SFD. If ASFD/MRR can markedly restrain the occurrence of nonlinear vibration phenomenon such as bistable characteristic, lockup and non-synchronous motion, it can be suitable for wider range of unbalance level.

     

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