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滑动轴承压力分布及动特性系数

DOI: doi:10.3969/j.issn.1007-7043.2011.09.007

Keywords: 滑动轴承, 油膜压力, 有限差分法, 动特性系数

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Abstract:

为了对滑动轴承的压力分布和动特性进行研究,基于有限差分法求解静态雷诺方程,得出滑动轴承油膜压力的分布情况,分析了油膜压力作用下轴瓦合金层的应力分布情况。通过求解扰动压力微分方程,得出有限宽滑动轴承的动特性系数。研究表明,油膜压力呈三维抛物面分布,在油膜压力峰值处合金层应力最大,在油膜压力梯度最大处应变最大,油膜动特性系数随着偏心率的增大而增大,交叉阻尼近似相等。

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