Publication detail
EHL film thickness behaviour under high pressure - comparison between numerical and experimental results
KŘUPKA, I. HARTL, M.
Czech title
Chování EHD mazacích filmů za velmi vysokých tlaků - srovnání experimentálních a numerických výsledků
English title
EHL film thickness behaviour under high pressure - comparison between numerical and experimental results
Type
conference paper
Language
en
Original abstract
This paper is devoted to the study of the behaviour of thin lubricant films under high contact pressures. Central film thickness values obtained from optical measurements are compared with numerical solutions from Zhu and Hu's model. The comparison indicates that both the numerical solutions and the experimental measurements are in good agreement with the Hamrock-Dowson formula at moderate loads and speeds. However, at low speeds and heavy loads accelerated non-linear film thickness reductions shown on the log-log scale are observed in the simulation results and confirmed by the experimental data
Czech abstract
Článek shrnuje výsledky studia tenkých mazacích filmů za velmi vysokých kontaktních tlaků. Naměřené výsledky jsou srovnány s výsledky numerických simulací, které předpovídají redukci tloušťky pro velmi tenké mazací filmy.
English abstract
This paper is devoted to the study of the behaviour of thin lubricant films under high contact pressures. Central film thickness values obtained from optical measurements are compared with numerical solutions from Zhu and Hu's model. The comparison indicates that both the numerical solutions and the experimental measurements are in good agreement with the Hamrock-Dowson formula at moderate loads and speeds. However, at low speeds and heavy loads accelerated non-linear film thickness reductions shown on the log-log scale are observed in the simulation results and confirmed by the experimental data
Keywords in English
lubrication; elastohydrodynamics
RIV year
2006
Released
01.02.2006
Publisher
Springer
Location
Cardiff
ISBN
1-4020-4532-8
Book
Proceedings of the IUTAM Symposium on Elastohydrodynamics and Microelastohydrodynamics
Journal
Nezařazené články
Pages from–to
217–228
Pages count
12
BIBTEX
@inproceedings{BUT25107,
author="Ivan {Křupka} and Martin {Hartl},
title="EHL film thickness behaviour under high pressure – comparison between numerical and experimental results",
journal="Nezařazené články",
booktitle="Proceedings of the IUTAM Symposium on Elastohydrodynamics and Microelastohydrodynamics",
year="2006",
month="February",
pages="217--228",
publisher="Springer",
address="Cardiff",
isbn="1-4020-4532-8"
}