挠性气体动压径向轴承的理论分析  

Theoretical Analysis of Compliant Self-action Gas Journal Bearing

作　　者：殷晨波[1] 柯婉贞 

机构地区：[1]南京建筑工程学院 [2]南京航空航天大学

出　　处：《润滑与密封》1995年第6期37-42,10,共7页Lubrication Engineering

摘　　要：本文对挠性气体动压径向轴承提出了一种新的理论分析方法。用等参有限元法分析二维动压润滑,借助于约束矩阵和简化递推算法求解弹性体变形,得到了一定转速和偏心距下的气膜厚度和压力分布,计算了轴承的承载能力、刚度和起动力矩等性能参数。A new analytical method on compliant self-action gas journal bearing is given out in this paper. The two-dimension hydrodynamic lubrication is analysised by isoparametrical finite element method. With the help of constraint matrix and successive deduction, the deformation of elastic foil is analysised. We get the dit-ribution of gas film thickness and pressure under certain speed and eccentricity. The performances of bearing scch as the capability, the stiffness and the starting torque is calculated.

关 键 词：轴承 有限元 弹性接触 动压轴承 分析 

分 类 号：TH133.37[机械工程—机械制造及自动化]