A study on the circumferential groove effects on the minimum oil film thickness in engine bearings

被引：0
|
作者：
Myung-Rae Cho
Hung-Ju Shin
Dong-Chul Han
机构：
[1] Seoul National University,Turbo & Power Machinery Research Center
[2] Seoul National University,Graduate School
[3] Seoul National Univ,Mechanical Design & Production Engineering
来源：
KSME International Journal | 2000年 / 14卷
关键词：
Groove; Minimum Oil Film Thickness; Engine Bearing; Mobility Method;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents the effects of circumferential groove on the minimum oil film thickness in engine bearings. The fluid film pressures are calculated by using the infinitely short bearing theory for the convenience of analysis. Journal locus analysis is performed by using the mobility method. A comparison of minimum oil film thickness of grooved and ungrooved bearing is presented. It is found that circumferential 360° groove only reduces the absolute magnitude of the oil film thickness, but 180° half groove affects the shape of film thickness curve and position of minimum oil film thickness.
引用
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页码：737 / 743
页数：6
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