Volume 21 Issue 1
Feb.  2006
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Article Navigation >  Journal of Aerospace Power  > 2006  >  21(1): 168-173
SHAN Ying-chun, ZHU Zi-gen, LIU Xian-dong. Investigation of the Vibration Control by Frictional Constraints between Blade Shrouds-Theoretical Method[J]. Journal of Aerospace Power, 2006, 21(1): 168-173.
Citation: SHAN Ying-chun, ZHU Zi-gen, LIU Xian-dong. Investigation of the Vibration Control by Frictional Constraints between Blade Shrouds-Theoretical Method[J]. Journal of Aerospace Power, 2006, 21(1): 168-173.
shu

Investigation of the Vibration Control by Frictional Constraints between Blade Shrouds-Theoretical Method

  • 1.

    Department of Automobile Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2.

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

  • Received Date: 2004-12-20
  • Rev Recd Date: 2005-05-24
  • Publish Date: 2006-02-28
    Abstract
  • A new approach was developed to solve the nonlinear responses of the blades with shrouds.Transforming the calculation between frequency domain and time domain was necessary.The nonlinear friction forces were calculated between complicated friction interfaces of the shrouds by tracing the trajectory of the contact point.This numerical method was combined with the harmonic balance method and the dynamic compliance method to solve the nonlinear responses of the blades.The effects of blade high order vibration modes and the high harmonic components of the blade response were taken into account.This theoretical method can be applied to design and fault diagnosis of the blades with shrouds.

     

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    • References(6)
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