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The effect of surface grooves on point contacts lubrication

By Kamil Matoušek

Abstract

This diploma thesis deals with experimental study of the effect of surface grooves on distribution of lubricant film in elastohydrodynamic lubricated point contact. Lubricant film thickness was measured by ball-on-disc apparatus using an optical interferometry technique - thin film colorimetric interferometry. The effects of groove geometry, lubricant and operating conditions were studied in this diploma thesis. The effects of these variables are evaluated based on newly suggested parameter Rgi (groove influence ratio). Groove influence ratio is defined as an influenced film thickness influenced by groove divided by film thickness for smooth surfaces

Topics: tribology; tribologie; tloušťka mazacího filmu; rýha; elastohydrodynamické (EHD) mazání; lubricant film thickness; elastohydrodynamic (EHD) lubrication; groove
Publisher: Vysoké učení technické v Brně. Fakulta strojního inženýrství
Year: 2015
OAI identifier: oai:invenio.nusl.cz:231945
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