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Volume 30 Issue 01
Jan.  2004
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Journal of Beijing University of Aeronautics and Astronautics  > 2004  >  30(01): 5-8.
Ma Yanhong, Hong Jie, Zhao Fuanet al. Theoretical investigation of vibration attenuation mechanism of a adaptive squeeze film damper[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(01): 5-8. (in Chinese)
Citation: Ma Yanhong, Hong Jie, Zhao Fuanet al. Theoretical investigation of vibration attenuation mechanism of a adaptive squeeze film damper[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(01): 5-8. (in Chinese)
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Theoretical investigation of vibration attenuation mechanism of a adaptive squeeze film damper

  • School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 19 Sep 2002
  • Publish Date: 31 Jan 2004
    Abstract
  • Vibration attenuation mechanism of an adaptive squeeze film damper with metal rubber outer-ring(ASFD/MRR) was investigated. Based on static strength analysis and motional analysis of an ASFD/MRR and an axes-s neck of rotor, Reynold equations were deduced from Nevier-Stockes equation and liquid continuous equation,and pressure field of squeeze film was solved. Comparing vibration attenuation mechanism of ASFD/MRR with a squeeze film damper(SFD), the result indicates that SFD is a special form of ASFD/MRR. ASFD/MRR can markedly restrain the occurrence of nonlinear vibration phenomenon such as bistable characteristic and it can be suitable for wider range of unbalance level.

     

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  • [1] 晏砺堂,朱梓根,宋兆泓,等.结构系统动力特性分析[M]. 北京:北京航空航天大学出版社,1989 Yan Litang,Zhu Zhigen,Song Zhaohong,et al.Dynamical characteristic analyse of configuration system [M].Beijing:Beijing University of Aeronautics and Astronautics Press,1989(in Chinese) [2] 马艳红,洪 杰. 金属橡胶外环自适应挤压油膜阻尼器实验研究. 北京:航空航天大学动力系,2002 Ma Yanhong,Hong Jie.Experimental investigation of a adaptive squeeze film damper with metal rubber outer-ring. Beijing:Dept of Propulsion, Beijing University of Aeronautics and Astronautics,2002(in Chinese) [3] Eyad M AL-Khateeb,Vance J M. Experimental evaluation of a metal mesh bearing damper in parallel with a structural support. Proceedings of ASME TURBO 2001. New Orleans,Louisiana, 2001
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