零卷吸点接触热弹流润滑的反常现象分析  

Analysis of the Abnormal Phenomenon in the Thermal Zero-entrainment Point Contact Elastohydrodynamic Lubrication

作　　者：刘晓玲[1] 崔金磊[1] 杨沛然[1] 

机构地区：[1]青岛建筑工程学院机械工程系,山东青岛266033

出　　处：《润滑与密封》2005年第2期20-22,共3页Lubrication Engineering

基　　金：国家自然科学基金资助项目(50175054)

摘　　要：应用Ree Eyring流体, 求得了零卷吸工况点接触热弹流润滑的完全数值解, 分析了凹陷深度随表面速度的变化规律。结果表明, 在低速工况下, Ree Eyring非牛顿流体模型能更合理地解释此种润滑现象的特征, 固体内沿X、Y方向的热传导不容忽视。With the Ree-Eyring fluid, a complete numerical solution of the thermal zero-entrainment point contact EHL (elastohydrodynamic lubrication) was obtained. Variations of the dimple depth against the surface velocity of the zero-entrainment contacts show that the Ree-Eyring non-Newtonian model can explain such EHL character in a more reasonable way when the surface velocity is low, and the effects of the heat conduction along X and Y direction in the solids can not be ignored.

关 键 词：点接触 热弹流润滑 低速 非牛顿流体 工况点 凹陷 表面 体模 体内 忽视 

分 类 号：TH117[机械工程—机械设计及理论]