Detail publikace
The effect of surface grooves on transition to mixed lubrication
ZAPLETAL, T. ŠPERKA, P. KŘUPKA, I. HARTL, M.
Anglický název
The effect of surface grooves on transition to mixed lubrication
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
en
Originální abstrakt
The purpose of this study is to describe the influence of artificially produced surface grooves longer than a diameter of the contact area on the transition from a full EHL regime to mixed lubrication in the point contact using optical interferometry. This article focuses on the influences of grooves orientation, length in the contact area, elastic modulus of contact surfaces, and different types of lubricants defined by pressure-viscosity coefficient. An empirical prediction model of groove influence on film thickness was established based on experimental data. The groove influence was incorporated into lubrication parameter. This modified definition was compared with the classic one. It showed that avoiding the groove influence leads to a significant underestimation.
Anglický abstrakt
The purpose of this study is to describe the influence of artificially produced surface grooves longer than a diameter of the contact area on the transition from a full EHL regime to mixed lubrication in the point contact using optical interferometry. This article focuses on the influences of grooves orientation, length in the contact area, elastic modulus of contact surfaces, and different types of lubricants defined by pressure-viscosity coefficient. An empirical prediction model of groove influence on film thickness was established based on experimental data. The groove influence was incorporated into lubrication parameter. This modified definition was compared with the classic one. It showed that avoiding the groove influence leads to a significant underestimation.
Klíčová slova anglicky
Elastohydrodynamic lubrication; Mixed lubrication; Lubrication parameter; Surface roughness; Groove
Vydáno
31.10.2017
Nakladatel
Tribology International
ISSN
0301-679X
Ročník
114
Číslo
1
Strany od–do
409–417
Počet stran
8
BIBTEX
@article{BUT135840,
author="Tomáš {Zapletal} and Petr {Šperka} and Ivan {Křupka} and Martin {Hartl},
title="The effect of surface grooves on transition to mixed lubrication",
year="2017",
volume="114",
number="1",
month="October",
pages="409--417",
publisher="Tribology International",
issn="0301-679X"
}