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首页> 外文期刊>Tribology in Industry >Analysis of HD Journal Bearings Considering Elastic Deformation and Non-Newtonian Rabinowitsch Fluid Model
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Analysis of HD Journal Bearings Considering Elastic Deformation and Non-Newtonian Rabinowitsch Fluid Model

机译：考虑弹性变形和非牛顿Rabinowitsch流体模型的HD轴颈轴承分析

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The purpose of this paper is to study the performance of a finite length journal bearing, taking into account effects of non-Newtonian Rabinowitsch flow rheology and elastic deformations of the bearing liner. According to the Rabinowitsch fluid model, the cubic-stress constitutive equation is used to account for the non-Newtonian effects of pseudoplastic and dilatant lubricants. Integrating the continuity equation across the film, the nonlinear non-Newtonian Reynolds-type equation is derived. The elasticity part of the problem is solved on the base of Vlassov model of an elastic foundation. The numerical solution of the modified Reynolds equation is carried out by using FDM with over-relaxation technique. The results for steady state bearing performance characteristics have been calculated for various values of nonlinear factor and elasticity parameters. It was concluded that in comparison with the Newtonian lubricants, higher values of film pressure and load carrying capacity have been obtained for dilatant lubricants, while the case was reversed for pseudoplastic lubricants.
机译：本文的目的是考虑非牛顿Rabinowitsch流动流变学和轴承衬套的弹性变形的影响，研究有限长度轴颈轴承的性能。根据Rabinowitsch流体模型，三次应力本构方程用于解释假塑性润滑剂和膨胀润滑剂的非牛顿效应。对整个薄膜的连续性方程进行积分，可以得出非线性非牛顿雷诺型方程。该问题的弹性部分是基于弹性基础的Vlassov模型解决的。修正的雷诺方程的数值解是通过使用带有过松弛技术的FDM进行的。对于各种非线性因子和弹性参数值，已计算出稳态轴承性能特征的结果。结论是，与牛顿润滑剂相比，膨胀润滑剂获得了更高的膜压力和承载能力，而假塑性润滑剂则相反。

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