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Analysis of a circular journal bearing lubricated with micropolar fluids including EHD effects

机译：含EHD效应的微极性流体润滑的圆形轴颈轴承分析

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Purpose - The performance of finite circular journal bearing lubricated with micropolar fluids taking into account the elastic deformation of the bearing liner is presented. The paper aims to discuss these issues. Design/methodology/approach - The modified Reynolds equation is obtained using the micropolar lubrication theory. The solution of the modified Reynolds equation is determined using finite difference technique. The static characteristics in terms of load-carrying capacity, attitude angle, side leakage and friction coefficient for micropolar and Newtonian fluids are determined for various values of eccentricity ratio and different values of elastic coefficient. Findings - Compared with Newtonian fluids, the micropolar fluids produce an increase in the load-carrying capacity and a reduction in the attitude angle, the friction factor and side leakage for both the rigid and deformable bearings. Originality/value - It is concluded that the influence of elastic deformation on the bearing characteristics lubricated with micropolar fluids is significantly apparent compared with bearing lubricated with Newtonian fluids.
机译：目的-考虑到轴承衬套的弹性变形，介绍了用微极性流体润滑的有限圆形轴颈轴承的性能。本文旨在讨论这些问题。设计/方法/方法-使用微极性润滑理论获得修改后的雷诺方程。使用有限差分技术确定修改后的雷诺方程的解。针对各种偏心率值和不同的弹性系数值，确定了微极性和牛顿流体在承载能力，姿态角，侧面泄漏和摩擦系数方面的静态特性。研究结果-与牛顿流体相比，对于刚性轴承和可变形轴承，微极性流体可增加承载能力，并减小姿态角，摩擦系数和侧漏。独创性/价值-结论是，与牛顿流体润滑相比，弹性变形对微极性流体润滑的轴承特性的影响是显而易见的。

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