Nonlinear Dynamic Analysis of Rub-Impact Rotor System under Different Parameters

Ling Xiang; Lan Lan Hou

doi:10.4028/www.scientific.net/AMR.712-715.1355

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 712-715Nonlinear Dynamic Analysis of Rub-Impact Rotor...

Nonlinear Dynamic Analysis of Rub-Impact Rotor System under Different Parameters

Abstract:

Nonlinear dynamic-behavior analysis of rotor system under different parameters is presented. The derivation of nonlinear dynamic equations under the action of rub-impact force is set up basing on Jeffcott model, and the system bifurcation characteristics and influences has been investigated under the ratio of operating angular velocity and the rotor’ natural angular velocity influence by numerical analysis. Bifurcation and dynamical behaviors of nonlinear of system with the changes of argument (that is the ratio of operating angular velocity and the rotor’ natural angular velocity) under several specific parameters are analyzed. The results show that the ratio, rotor eccentricity and rotor stiffness have great effect on the dynamical behaviors of nonlinear system.

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Periodical:

Advanced Materials Research (Volumes 712-715)

Pages:

1355-1358

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.712-715.1355

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Online since:

June 2013

Authors:

Ling Xiang, Lan Lan Hou

Keywords:

Bifurcation, Chaos, Impact-Rubbing, Rotor System

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