Stability analysis of hydrodynamic bearing with herringbone grooved sleeve

被引：35
|
作者：
Chen, Shih-Kang [1 ]
Chou, Hsien-Chin [1 ]
Kang, Yuan [1 ]
机构：
[1] Chung Yuan Christian Univ, Dept Mech Engn, Chungli 320, Taiwan
来源：
TRIBOLOGY INTERNATIONAL | 2012年 / 55卷
关键词：
Hydrodynamic journal micro-bearing; Reynolds equation; Finite difference method; Stability analysis; JOURNAL-BEARINGS; CAVITATION;
D O I：
10.1016/j.triboint.2012.05.015
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This study presents a numerical method to investigate the stability analysis of a hydrodynamic journal micro-bearing. The governing dimensionless Reynolds equation is solved by using the finite difference method. The Green's theorem is utilized to deal with the discontinuity of the oil-film thickness, and the Gaussian elimination method is used to solve the simultaneous discrete equations. Optimal values for various design parameters are obtained to maximize the load capacity and to improve the stability characteristics. The accomplishments of this study will help the designers who deal with the grooved micro-bearing to select the design parameters to satisfy the required characteristics. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：15 / 28
页数：14
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