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Elastohydrodynamic lubrication of rectangular contacts
Luleå University of Technology.
1983 (English)Report (Other academic)
Abstract [en]

An isothermal elastohydrodynamically lubricated rectangular contact was evaluated numerically. This required the simultaneous solution of the elasticity and Reynolds equations. In the elasticity analysis the contact zone was divided into equal rectangular areas, and it was assumed that a uniform pressure was applied over each area. The elastohydrodynamic lubrication theory thus developed was used to investigate the influence of the dimensionless speed, load, and materials parameters on minimum film thickness. Ten cases were used in obtaining the minimum film thickness formula. Plots are shown that indicate the details of the pressure distribution, film shape, and flow. The characteristic pressure spike is clearly in evidence as is the parallel film shape through the central portion of the contact, with a minimum film thickness occurring near the outlet of the contact.

Place, publisher, year, edition, pages
Springfield: NASA , 1983. , p. 30
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-23623Local ID: 7be558a0-200b-11dd-8447-000ea68e967bOAI: oai:DiVA.org:ltu-23623DiVA, id: diva2:996672
Note
Godkänd; 1983; 20080512 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2021-02-11Bibliographically approved

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Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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