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Technical Brief

Effect of thermal properties of a coated EHL line contact under various slide-to-roll ratios

[+] Author and Article Information
Huaiju Liu

State Key Laboratory of Mechanical Transmissions, Chongqing University, China Shazhengjie 174, Chongqing, 400044
huaijuliu@cqu.edu.cn

Caichao Zhu

State Key Laboratory of Mechanical Transmissions, Chongqing University, China Shazhengjie 174, Chongqing, 400044
cczhu@cqu.edu.cn

Zonglin Gu

State Key Laboratory of Mechanical Transmissions, Chongqing University, China Shazhengjie 174, Chongqing, 400044
1148752323@qq.com

Zhanjiang Wang

Department of Mechanical Engineering, Southwest Jiaotong University, China Chengdu, 610031, China
wangzhanjiang001@gmail.com

Jinyuan Tang

State Key Laboratory of High Performance Complex Manufacturing, Central South University, China Changsha 410083, Hunan, China
jytangcsu@163.com

1Corresponding author.

ASME doi:10.1115/1.4036078 History: Received April 28, 2016; Revised January 24, 2017

Abstract

A numerical thermal elastohydrodynamic lubrication model is developed for coated line contacts by considering both the mechanical properties and the thermal properties of the coating and the substrate. The temperature field within the oil film and within the solids are solved by deriving the energy equations for the solids and the oil films. Heat continuity conditions are satisfied at the surfaces of the solids and the coating/substrate interfaces. Effects of the slide-to-roll ratio, the thermal conductivity of the coating and of the oil film on temperature fields are studied.

Copyright (c) 2017 by ASME
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