可倾瓦气体轴承气膜厚度的计算和分析  

Calculation and Analysis on Gas Film Thickness of Tilting- Pad Gas Bearings

作　　者：程进杰 孙郁[1] 孙立佳[1] 季伟[1] 张武[1,2] 

机构地区：[1]中国科学院理化技术研究所,北京100190 [2]航天低温推进剂技术国家重点实验室,北京100028

出　　处：《轴承》2014年第8期1-4,22,共5页Bearing

摘　　要：研究了离心力变形、热变形、轴承偏斜以及表面粗糙度对可倾瓦气体轴承的影响,结果表明:离心力变形对空心轴影响较大,温升对轴瓦厚度影响较小,而对其名义半径和轴半径影响较大;轴承偏斜影响其安全运行;表面粗糙度也会增大最小气膜厚度。The effects of centrifugal deformation,thermal deformation,bearing misalignment and roughness on tilting pad gas bearings are analyzed. The results show that centrifugal deformation has greater influence on hollow shaft; thermal deformation less influence on pad thickness and greater influence on its nominal radius shaft radius; bearing misalignment effect its operation safety and roughness is able to increase the minimum gas film thickness.

关 键 词：气体轴承 可倾瓦 气膜厚度 

分 类 号：TH133.37[机械工程—机械制造及自动化]