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Hopf bifurcation and stability analysis of flexible rotor-bearing system

文献类型：期刊论文

作者Feng, Ji1; Yang Jinfu2; Yuan Xiaoyang1
刊名JOURNAL OF VIBROENGINEERING
出版日期2012-06-01
卷号14期号:2页码:723-732
关键词nonlinear stability chaos air whip
英文摘要Analytical model of a long bearing was used to study the self-excited vibration of a single disc flexible rotor-bearing system on sliding bearing support. A shooting method was applied to track and acquire periodic solution of flexible rotor system after the Hopf bifurcation. Stability of periodic solution was analyzed on the basis of Floquet theory. Gas film eddying, oscillation and other nonlinear features were considered. High-speed air hybrid bearing test-bed was used to verify gas film oscillation arising from coupling between natural frequency and gas film eddying frequency. The "bounded" nature of chaotic vibration and the process of rubbing caused by instability of air film were observed. Finally, a distinguishing criterion named "practical stability" was provided.
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Biomedical ; Engineering, Mechanical
研究领域[WOS]Engineering
关键词[WOS]RIGID UNBALANCED ROTOR ; JOURNAL-BEARINGS ; NONLINEAR DYNAMICS ; COEFFICIENTS ; INSTABILITY
收录类别SCI
语种英语
WOS记录号WOS:000305361700035
公开日期2015-12-22
源URL[http://ir.etp.ac.cn/handle/311046/101528]  
专题工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位1.Xi An Jiao Tong Univ, Key Lab Educ Minist Modern Design & Rotor Bearing, Xian 710049, Peoples R China
2.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Feng, Ji,Yang Jinfu,Yuan Xiaoyang. Hopf bifurcation and stability analysis of flexible rotor-bearing system[J]. JOURNAL OF VIBROENGINEERING,2012,14(2):723-732.
APA Feng, Ji,Yang Jinfu,&Yuan Xiaoyang.(2012).Hopf bifurcation and stability analysis of flexible rotor-bearing system.JOURNAL OF VIBROENGINEERING,14(2),723-732.
MLA Feng, Ji,et al."Hopf bifurcation and stability analysis of flexible rotor-bearing system".JOURNAL OF VIBROENGINEERING 14.2(2012):723-732.

入库方式： OAI收割

来源：工程热物理研究所

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