西华大学学报（自然科学版）2017，Vol.36Issue(3)：23-29,35,8.DOI:10.3969/j.issn.1673-159X.2017.03.004
表面织构参数对径向轴承流体动力润滑特性的影响
Effect of the Parameters of Surface Textures on the Hydrodynamic Lubrication Characteristics of Radial Bearing
摘要
Abstract
In order to study the effect of parameters of the surface texture on the hydrodynamic lubrication characteristics of radial beating,the analytic model is constructed based on Reynolds equation.Cuboid-shaped surface textures with different distribution location and geometrical parameter are designed.Reynolds equation is solved by using finite difference method (FDM) under the condition of Reynolds boundary.The effect of texture parameters on the static characteristics of the bearings was analyzed,involved the eccentricity ratio,the attitude angle,the maximum film pressure,the minimum film thickness,the friction force and the side leakage.The results of numerical calculation show that the surface texture has a significant influence on the distribution of film pressure.Especially when the textures are arranged in the downgrade area of the pressure and the neighboring area of the maximum pressure,the distributions of the film pressure have prominent distinction between smooth and textured bearings.Generally,the pressure peak can be increased when the textures are arranged on the upstream surface of the bearing.Moreover,the location of the textures arranged on the bearing surface has a distinguishing influence on the other static characteristics of the bearings excepting the film pressure.关键词
表面织构/径向轴承/润滑特性/流体动力润滑Key words
surface texture/radial bearing/lubricated characteristics/hydrodynamic lubrication分类
机械制造引用本文复制引用
于如飞,陈渭..表面织构参数对径向轴承流体动力润滑特性的影响[J].西华大学学报（自然科学版）,2017,36(3):23-29,35,8.基金项目
国家自然科学基金项目(51175409) （51175409）
