Affiliation:
1. División de Ingeniería de Máquinas, Universidad Politécnica de Madrid, José Gutiérrez Abascal 2, Madrid, Spain
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.
Subject
Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering
Cited by
27 articles.
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