About: Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves

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About: Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This study focuses on the effects of transverse shallow micro-grooves on the film thickness and friction of nonconformal contacts under relative motion. Experiments were conducted using a ball-on-disc tribometer equipped with high speed camera and torque sensor. The lubricated contact between the steel ball and glass disc represents a nonconformal point contact with elastohydrodynamic lubrication. The measurements of the film thickness were carried out using the optical interferometry technique while the friction was measured by a torque sensor on the ball shaft. The results reveal that the rubbing surfaces with transverse shallow micro-grooves with a length less than the diameter of the Hertzian contact have an improved tribological performance in comparison with smooth surfaces in the elastohydrodynamic lubrication regime. Indeed, a significant enhancement of film thickness has been observed using such design of microgrooves. This study focuses on the effects of transverse shallow micro-grooves on the film thickness and friction of nonconformal contacts under relative motion. Experiments were conducted using a ball-on-disc tribometer equipped with high speed camera and torque sensor. The lubricated contact between the steel ball and glass disc represents a nonconformal point contact with elastohydrodynamic lubrication. The measurements of the film thickness were carried out using the optical interferometry technique while the friction was measured by a torque sensor on the ball shaft. The results reveal that the rubbing surfaces with transverse shallow micro-grooves with a length less than the diameter of the Hertzian contact have an improved tribological performance in comparison with smooth surfaces in the elastohydrodynamic lubrication regime. Indeed, a significant enhancement of film thickness has been observed using such design of microgrooves. (en)
Title	Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves (en)
skos:prefLabel	Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves (en)
skos:notation	RIV/00216305:26210/14:PU111742!RIV15-MSM-26210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP101/11/1115), P(LO1202)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Křupka, Ivan Hartl, Martin Ali, Fadi
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	41710
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/14:PU111742
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Elastohydrodynamic lubrication, film thickness, friction, surface texturing, micro-grooves (en)
http://linked.open.../riv/klicoveSlovo	Elastohydrodynamic lubrication friction surface texturing film thickness micro-grooves
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[EE79E303D2B8]
http://linked.open...i/riv/nazevZdroje	PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	NETME CENTRE PLUS The behaviour of surface roughness in lubricated concentrated contacts
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	229
http://linked.open...iv/tvurceVysledku	Hartl, Martin Křupka, Ivan Ali, Fadi
issn	1350-6501
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1177/1350650114543317
http://localhost/t...ganizacniJednotka	26210

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