An Analytical Approach for Predicting EHL Friction: Usefulness and Limitations

Autor: Javier Echávarri Otero, Eduardo de la Guerra Ochoa, Enrique Chacón Tanarro, Francisco Franco Martínez, Rafael Wilmer Contreras Urgiles
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Lubricants, Vol 10, Iss 7, p 141 (2022)
Druh dokumentu: article
ISSN: 10070141
2075-4442
DOI: 10.3390/lubricants10070141
Popis: The article studies the friction coefficient in elastohydrodynamic lubrication (EHL) by means of analytically obtained equations for different contact geometries. The introduction of some simplifications allows for the simultaneous consideration of piezoviscous, pseudoplastic and thermal phenomena, resulting in complete and realistic models, which provide results in a quick and easy manner. The predictive potential of this analytical approach is analyzed by comparing the estimates of friction with full-EHL simulations and experimental data under different operating conditions. The results obtained allow us to discuss the influence of some assumptions taken into account and the scope of applicability of the models, in order to determine their usefulness and limitations.
Databáze: Directory of Open Access Journals