The Influence of Damping Coefficient on Vibration Characteristic of a Rub-Impact Rotor under Axial Thrust

Xue Li An; Dong Xiang Jiang; Chao Liu; Ming Hao Zhao

doi:10.4028/www.scientific.net/AMM.20-23.358

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 20-23The Influence of Damping Coefficient on Vibration...

The Influence of Damping Coefficient on Vibration Characteristic of a Rub-Impact Rotor under Axial Thrust

Abstract:

A model of a rub-impact rotor system under axial thrust is established based on the classic impact theory and analyzed by the Lagrangian dynamics and bifurcation theories. The rubbing condition is modeled using the impact-contact idealization, which consists of normal and tangential forces at the rotor-to-stator contact point. The effects of lateral damping and rotor rotating speed on the rotor system response are investigated in detail. It is demonstrated that the system goes through an extraordinary route to bifurcation. Periodic, quasi-periodic and chaotic motions are found as the system parameters change.

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Periodical:

Applied Mechanics and Materials (Volumes 20-23)

Pages:

358-363

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.20-23.358

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Online since:

January 2010

Authors:

Xue Li An, Dong Xiang Jiang, Chao Liu, Ming Hao Zhao

Keywords:

Axial Thrust, Bifurcation, Chaos, Lateral Damping, Rotating Speed, Rub-Impact

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References

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