Stability and response analysis of symmetrical single-disk flexible rotor-bearing system

被引：31
|
作者：
Zhao, SX [1 ]
Xu, H
Meng, G
Zhu, J
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Vibrat Shock & Noise, Shanghai 200240, Peoples R China
[2] Xian Jiaotong Univ, Theory Lubricat & Bearing Inst, Xian 710049, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2005年 / 38卷 / 08期
基金：
中国国家自然科学基金;
关键词：
journal bearing; non-linear oil-film forces; flexible rotor; unbalanced response;
D O I：
10.1016/j.triboint.2004.11.004
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The motion equations have been established for symmetrical single-disk flexible rotor-bearing system, and non-linear oil-film forces of finite journal bearings are calculated. The rotor's stiffness and damping are considered. The motions of journal and disk have been simulated with fourth-rank Runge-kutta method. The threshold speed of the system based on linear oil-film forces has been derived. Non-linear transient simulation and unbalanced responses are investigated. Moreover, linear oil-film forces are used for computing unbalanced responses, and the feasibility is discussed. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：749 / 756
页数：8
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