Publication detail
Surface Roughness Effects under High Sliding EHL Conditions
ŠPERKA, P. KŘUPKA, I. HARTL, M.
Czech title
Efekt drsnosti povrchů za podmínek vysokých skluzů v EHL
English title
Surface Roughness Effects under High Sliding EHL Conditions
Type
journal article in Scopus
Language
en
Original abstract
This paper is focused on the roughness induced effects in EHL contact under high sliding conditions when thermal effects can be expected. High sliding conditions include both the case when both surfaces are moving in the same direction and that when they move in the opposite directions. The presented results show that increasing magnitude of sliding connected with high in-contact temperatures has almost no effect on roughness deformation until the dimple phenomenon occur. The observations of film variations evolution, caused by roughness pass (complementary effect), can give information about flow processes in an EHL contact under dimple phenomenon conditions. Essentially different behavior was observed in a classic EHL contact and in a contact when dimple phenomenon has occurred.
Czech abstract
Tento článek je zaměřen na drsnosti povrchu a vyvolané účinky v EHL kontakt za vysokých skluzů. Předložené výsledky ukazují, že rostoucí velikost skluzu je spojena s vysokými teplotami v EHL kontaktu.
English abstract
This paper is focused on the roughness induced effects in EHL contact under high sliding conditions when thermal effects can be expected. High sliding conditions include both the case when both surfaces are moving in the same direction and that when they move in the opposite directions. The presented results show that increasing magnitude of sliding connected with high in-contact temperatures has almost no effect on roughness deformation until the dimple phenomenon occur. The observations of film variations evolution, caused by roughness pass (complementary effect), can give information about flow processes in an EHL contact under dimple phenomenon conditions. Essentially different behavior was observed in a classic EHL contact and in a contact when dimple phenomenon has occurred.
Keywords in Czech
EHL, drsnost povrchu, deformace, tloušťka filmu, tepelné účinky, důlek, doplňující účinek
Keywords in English
EHL, surface roughness, deformation, film thickness, thermal effects, dimple, complementary effect
Released
15.02.2016
Publisher
Japanese Society of Tribologists
Location
Japonsko
ISSN
1881-218X
Volume
11
Number
1
Pages from–to
34–39
Pages count
6
BIBTEX
@article{BUT126554,
author="Petr {Svoboda} and Petr {Šperka} and Ivan {Křupka} and Martin {Hartl},
title="Surface Roughness Effects under High Sliding EHL Conditions",
year="2016",
volume="11",
number="1",
month="February",
pages="34--39",
publisher="Japanese Society of Tribologists",
address="Japonsko",
issn="1881-218X"
}