Effect of friction coefficient on the mixed lubrication model of rotary lip seals

被引：7

作者：

Jiang, Bingqi ^{[1
,2
]}

Huang, Xing ^{[3
]}

Guo, Fei ^{[1
,2
]}

Jia, Xiaohong ^{[1
,2
]}

Wang, Yuming ^{[1
,2
]}

机构：

[1] Tsinghua Univ, State Key Lab Tribol, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Joint Res Ctr Rubber & Plast Seals, Beijing, Peoples R China

[3] Guangzhou Mech Engn Res Inst Co Ltd, Guangzhou, Guangdong, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY | 2020年 / 234卷 / 11期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Lip seal; friction coefficient; mixed lubrication; numerical model; ELASTOHYDRODYNAMIC ANALYSIS; PERFORMANCE; FLOW; WEAR;

D O I：

10.1177/1350650119877056

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study is devoted to the effect of different coefficients on the calculation results of the rotary lip seal mixed lubrication model. It was proved by experiments that the dry friction coefficient used in the previous models was quite different from the boundary lubrication friction coefficient, which was theoretically more accurate. The pumping rate, friction torque, pressure distribution, and oil film thickness were calculated using both the dry friction coefficient and the boundary lubrication coefficient and the results were quite different. A friction coefficient test method under boundary lubrication condition for numerical simulation of rotary lip seals and an improved method for numerical calculation using the boundary lubrication coefficient instead of the dry friction coefficient were proposed. It was verified that the accuracy of numerical calculation can be improved, and the calculation result was closer to the actual working state.

引用

页码：1746 / 1754

页数：9

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