Models for predicting friction coefficient and parameters with influence in elastohydrodynamic lubrication
Models for predicting friction coefficient and parameters with influence in elastohydrodynamic lubrication
复制标题
预测影响弹流润滑的摩擦系数和参数的模型
DOI：
10.1243/13506501jet599
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
J. M. García
中科院分区：
文献类型：
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作者：
P. Morgado;J. E. Otero;J. B. S. Lejarraga;J. M. Sanz;A. Lantada;J. Munoz;H. L. Yustos;P. L. Wiña;J. M. García
摘要本文给出了在弹流力学条件下适用于润滑油点接触的不同摩擦预测模型。所使用的模型类型是牛顿理论的两种变体，即极限剪应力模型和基于卡罗方程的模型。本文给出了摩擦系数的理论计算步骤和计算公式。本文的目的是研究各参数对摩擦的影响，并将模型结果与在小型牵引机上进行的实验结果进行比较。该测试系统允许在温度、滑滚比、润滑剂、材料、负载或速度等各种参数下测量点接触（球盘）的摩擦系数。
Abstract This article shows different friction prediction models applicable to lubricants in point contacts under an elastohydrodynamic regime. The types of models used are two variations of the Newtonian theory, the Limiting Shear Stress model and the one based on Carreau's equation. The article sets out the theoretical calculation procedures and the ensuing equations for calculating the friction coefficient. The aims of the article are to study the effect of the parameters with influence on friction and to compare the model's results with those given by an experimental stage performed on a mini traction machine. This test system allows the measurement of friction coefficient in point contacts (ball—disc) under a wide range of variation of parameters such as temperature, slide-roll ratio, lubricant, material, load, or velocity.