Multiphysics simulation and experiment of a thrust bearing in scroll compressors

被引：14

作者：

Kim, Min-Su ^{[1
]}

Shim, Jaesool ^{[2
]}

Kim, Jeonghun ^{[3
]}

Jong, Dae-Gyeom ^{[1
]}

Park, Sang-Shin ^{[2
]}

机构：

[1] Yeungnam Univ, Dept Mech Engn, Grad Sch, Gyongsan, South Korea

[2] Yeungnam Univ, Sch Mech Engn, Gyongsan, South Korea

[3] LG Elect, Scroll Compressor Dev Team, Seoul, South Korea

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 142卷

关键词：

Thrust bearing; Scroll compressor; Quasi-dynamic simulation; Multi-physics; FLUID FILM LUBRICATION; NUMERICAL-ANALYSIS; SYSTEM;

D O I：

10.1016/j.triboint.2019.105969

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, a quasi-dynamic lubrication model of a thrust bearing is developed to identify the behaviors of scroll compressors. The present model is comprehensive and accurate with fewer assumptions. It is composed of the Reynolds equation for a lubrication film, an energy equation for temperature distribution, and a stress strain equation for deformation owing to fluid pressure, forces, moments, and thermal stress. For model validation, the film thickness of the thrust bearing was compared with the results of numerical simulation and experiment at two operating conditions. The numerical simulation is consistent with the experiment, showing an error within 5%.

引用

页数：14

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