Analysis of Non-Linear Dynamic on Unsteady Oil-Film Force Rotor-Stator-Bearing System with Rub-Impact Fault

Article Preview

Abstract:

Established the unsteady oil-film force with rub-impact fault of rotor-stator-bearing system mechanical models by using Lagrange equation, Application of numerical analysis to study it, concluded that the rotor system in frequency as the only incentive system control parameters of orbit and bifurcation diagrams; analysis of the nonlinear behavior of the response of the system and the failure mechanism, provide a theoretical basis for the safe operation of the rotor system and fault diagnosis. The results show that, when the excitation frequency as the only control parameters, the system exist periodic motion, quasi periodic motion and chaotic motion etc abundant nonlinear phenomena.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

49-54

Citation:

Online since:

September 2013

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2013 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] WEN Bangchun, LI Yinong, XU Peiming, etc. Engineering nonlinear vibration[M]. Beijing: Science and Technology Press, (2007).

Google Scholar

[2] Wu JingDong, Wang Na, Hou Xiuyin, Wen BangChun. Unsteady oil film force nonlinear stiffness of the rotor system under the rubbing fault analysis[J]. Chinese mechanical engineering. 2007, 18 (15) : 1850 ~ 1854.

Google Scholar

[3] Huang Wen Hu, Wu Xin Hua, Jiao Ying hou etc. Nonlinear rotor dynamics research review [J]. Journal of vibration engineering, 2000, 13 (4) : 497-509.

Google Scholar

[4] W amg JK, Khonsari M M. Application of hopf bifurcation theory to rotor-bearing system with consideration of turbulent effects[J]. Graphology International , 2006, 39(7) : 701-714.

DOI: 10.1016/j.triboint.2005.07.031

Google Scholar

[5] Chen Yushu, Ding Qian, Meng Quan Mechanism of suhsyn-chmnous vibration for a nonlinear rotor[J]. Chinese Journal of Applied Mechanics. 1998, 15(1) : 113-117.

Google Scholar

[6] Chen Zi-shu, D 1000, Meng Quan. Mechanism of instability of the nonlinear rotor of the low-frequency vibration analysis[J]. Applied Mechanics, 1998, 15 (1): 113 - 117.

Google Scholar

[7] Li Zhen-ping, Luo Yue-gang, Wen Bang-chun. Spatial Effect of Inclined Cable Considering Bending considering oil film force elastic rotor system Rubbing Troubles[J]. The Northeastern University , 2002, 10: 980-984.

Google Scholar