| 波箔式气体轴承气膜流场分析 |
| |
| 引用本文： | 夏新沛,刘文琰,陈巍,何平,郭宝亭.波箔式气体轴承气膜流场分析[J].润滑与密封,2011(9). |
| |
| 作者姓名： | 夏新沛 刘文琰 陈巍 何平 郭宝亭 |
| |
| 作者单位： | 中国科学院工程热物理研究所;中国科学院研究生院; |
| |
| 摘 要： | 模拟在压力远场条件下,考虑气体可压缩性、平箔变形和端泄效应的箔片轴承三维气膜流场,得到轴承气膜压力和速度分布。刚性气体轴承的压力分布结果与文献结果吻合很好。研究考虑平箔变形情况下的承载力、端部泄漏流量等随转速和偏心率的变化关系,结果发现:在轴承端部存在出气的正压区和进气的负压区,与之前的文献端部为大气压的模拟结果不同;轴承两端的进气、出气是独立的,中心截面的流量为0;平箔变形使箔片轴承端部泄漏质量流量变大,承载力变小。
|
| 关 键 词： | 气体轴承 端泄效应 端部泄漏质量流量 承载力 |
Analysis of Air Flow Field of Bump-Foil Type Gas Bearings |
| |
| Xia Xinpei, Liu Wenyan, Chen Wei He Ping, Guo Baoting.Analysis of Air Flow Field of Bump-Foil Type Gas Bearings[J].Lubrication Engineering,2011(9). |
| |
| Authors: | Xia Xinpei Liu Wenyan Chen Wei He Ping Guo Baoting |
| |
| Affiliation: | Xia Xinpei1,2 Liu Wenyan1,2 Chen Wei1 He Ping1,2 Guo Baoting1(1.Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China,2.Graduate School of the Chinese Academy of Sciences,China) |
| |
| Abstract: | A three-dimensional bearing model,considering compressibility of air,top foil deformation and real ending leakage effect,was developed to obtain distribution of pressure,velocity of gas film by using pressure far-field boundary condition.The result of pressure distribution of rigid bearing was compared with reference result and reasonable agreement was attained.The influences of rotor speed and eccentricity on load capacity,ending leakage mass flow rate were investigated considering top foil deformation.The... |
| |
| Keywords: | gas bearing ending leakage effect ending leakage mass flow rate load capacity |
| 本文献已被 CNKI 等数据库收录！ |
|
