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Sommerfeld数对滑动轴承动力学系数影响研究

DOI: 10.3969/j.issn.1006-7043.201309032

Keywords: Sommerfeld 数, 动力学系数, DyRoBeS, Reynolds方程

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Abstract:

为了研究Sommerfeld数对轴承动力学特性的影响, 建立了基于短轴承理论的滑动轴承的非线性油膜力模型, 得到了Sommerfeld数对偏心率、最小油膜厚度、润滑油流量、温升、刚度系数、阻尼系数的影响规律。在对二维油膜压力分析时发现存在一个Sommerfeld数, 当转速低于某个临界值时临界转速对最大油膜压力影响较大, 当转速高于这个临界值时临界转速对最大油膜压力影响不大。

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