普通圆柱气体动压轴承性能计算  

Computation of the performance of gas-lubricated cylindrical bearing using FDM

作　　者：赵三星[1] 黄海[2] 孟光[2] 李友荣[1] 

机构地区：[1]武汉科技大学机械自动化学院,湖北武汉430081 [2]上海交通大学振动冲击噪声国家重点试验室,上海200240

出　　处：《武汉科技大学学报》2008年第1期69-73,共5页Journal of Wuhan University of Science and Technology

基　　金：湖北省自然科学基金资助项目(2006ABA295)

摘　　要：分别用压力摄动法和线性化ph解法较为详细地推导了普通圆柱气体动压轴承的压力分布表达式。在用有限差分法计算普通圆柱气体动压轴承的压力分布时,采用改变压力边界的平均压力计算法,通过与解析解及文献的对比,证明了该数值方法的可行性。In order to obtain the analytical expression of the pressure distribution of gas-lubricated cylindrical bearing, pressure perturbation solution and linearized-ph solution are utilized. Since the pressure distribution changes with the variation of the circumferential boundary lines to some extent, the average pressure is adopted in computing the pressure distribution of the gas-lubricated bearing with the finite difference method （FDM）. The numerical results obtained are compared with those from the analytical methods and those from the literature, and have validated the feasibility of the numerical method.

关 键 词：雷诺方程 气体轴承 有限差分法 

分 类 号：TH133.3[机械工程—机械制造及自动化]