About: Thin film colorimetric interferometry

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Measurement technique for the study of very thin lubrication films down to one nanometer in a point contact between a steel hall and a transparent disc is used to explore the relationship between central and minimum film thickness and rolling speed at the interface between elastohydrodynamic and boundary lubrication for a series of lubricating fluids. This technique based on the colorimetric interferometry combines powerful film thickness mapping capabilities with high accuracy. It was confirmed that bboth hexadecane and mineral base oil obey the linear relationship between log central and minimum film thickness and log rolling speed predicted by elastohydrodynamic theory down to approximately one nanometer. Conversely, squalane and additive-treated mineral base oil showed film thickness enhancement at slow speeds caused by boundary layers formation within the lubricant film. Obtained experimental data was used for the determination of pressure-viscosity coefficients of test fluids. The measurement t Measurement technique for the study of very thin lubrication films down to one nanometer in a point contact between a steel hall and a transparent disc is used to explore the relationship between central and minimum film thickness and rolling speed at the interface between elastohydrodynamic and boundary lubrication for a series of lubricating fluids. This technique based on the colorimetric interferometry combines powerful film thickness mapping capabilities with high accuracy. It was confirmed that bboth hexadecane and mineral base oil obey the linear relationship between log central and minimum film thickness and log rolling speed predicted by elastohydrodynamic theory down to approximately one nanometer. Conversely, squalane and additive-treated mineral base oil showed film thickness enhancement at slow speeds caused by boundary layers formation within the lubricant film. Obtained experimental data was used for the determination of pressure-viscosity coefficients of test fluids. The measurement t (en)
Title	Thin film colorimetric interferometry Thin film colorimetric interferometry (en)
skos:prefLabel	Thin film colorimetric interferometry Thin film colorimetric interferometry (en)
skos:notation	RIV/00216305:26210/01:PU20411!RIV/2002/GA0/262102/N
http://linked.open.../vavai/riv/strany	270-545
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/98/P226), Z(MSM 262100002)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Liška, Miroslav Hartl, Martin
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	698782
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/01:PU20411
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Lubrication, Film thickness (en)
http://linked.open.../riv/klicoveSlovo	Lubrication Film thickness
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[82EEE0940FC5]
http://linked.open...i/riv/nazevZdroje	Tribology Transactions
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	The study of transient elastohydrodynamic lubrication by computer differential colorimetry
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	44
http://linked.open...iv/tvurceVysledku	Hartl, Martin Liška, Miroslav
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262100002
issn	0569-8197
number of pages	276 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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