Theoretical and experimental studies of the oil film in lubricated point contact
A. Cameron, R. Gohar
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Source: Crossref
Published: Apr 26, 1966
DOI: 10.1098/rspa.1966.0112
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Abstract A technique using Newton’s rings for mapping the oil film of lubricated point contacts is described. A theoretical value for the film thickness of such contacts in elastohydrodynamic lubrication is derived. The experimental results give the exit constriction predicted by previous theory but never shown in detail. The comparison of theoretical and experimental oil film thicknesses, which is satisfactorily accurate, gives strong evidence for a viscous surface layer some 1000Å thick. This film agrees with the known ‘lubricating power’ of the various oils tested.
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