Numerical investigation of thermal EHL in elliptical contact under impact motion

被引：6
|
作者：
Wang, Jing [1 ]
Yang, Peiran [1 ]
Lubrecht, A. A. [2 ]
Kaneta, Motohiro [3 ]
机构：
[1] Qingdao Technol Univ, Sch Mech Engn, 11 Fushun Rd, Qingdao 266033, Peoples R China
[2] Univ Lyon, INSA Lyon, CNRS, UMR 5259, Villeurbanne, France
[3] Brno Univ Technol, Fac Mech Engn, CS-61090 Brno, Czech Republic
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY | 2015年 / 229卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Thermal elastohydrodynamic lubrication; impact motion; elliptical ratio; ELASTOHYDRODYNAMIC LUBRICATION; LOAD; BALL;
D O I：
10.1177/1350650115574534
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this work, the thermal elastohydrodynamic lubrication in elliptical contact under impact motion is investigated numerically by altering oil viscosity and elliptical ratio. The impact-rebound time is shortened with the increase of the elliptical ratio, while a smaller ambient oil viscosity extends the impact-rebound time. Generally speaking, a larger elliptical ratio reduces the maximum load-carrying capacity, increases the value of the minimum film thickness, and lowers the temperature rise. A smaller oil viscosity lowers the pressure and temperature rises and reduces the film thickness.
引用
收藏
页码：1125 / 1131
页数：7
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