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Inertia effects in textured hydrodynamic contacts
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-7599-0895
2010 (English)In: Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology, ISSN 1350-6501, E-ISSN 2041-305X, Vol. 224, no 8, p. 751-756Article in journal (Refereed) Published
Abstract [en]

A flow analysis is carried out for a parallel textured slider to investigate the role of fluid inertia. Numerical simulations are performed for a laminar, two-dimensional, steady and isothermal flow. Stokes solutions are compared with Navier-Stokes solutions at the same Reynolds number. A range of texture depths is analysed. It is shown that there is an optimum value of texture depth that provides maximum load-carrying capacity. It is also shown that there is a critical depth value. Inertia has a negative effect on the load-carrying capacity for depths higher than the critical value, whereas it has a positive effect for lower depths. For a given texture depth, these effects are amplified as the Reynolds number increases. The global effect of inertia is positive when a realistic configuration of a parallel textured slider with a fore-region is considered.

Place, publisher, year, edition, pages
2010. Vol. 224, no 8, p. 751-756
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Fluid Mechanics and Acoustics
Research subject
Machine Elements; Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-14194DOI: 10.1243/13506501JET697ISI: 000281483600007Scopus ID: 2-s2.0-77955635133Local ID: d8b8ebe0-b989-11df-a707-000ea68e967bOAI: oai:DiVA.org:ltu-14194DiVA, id: diva2:987148
Note
Validerad; 2010; 20100906 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Cupillard, SamuelGlavatskih, SergeiCervantes, Michel

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Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)Fluid Mechanics and Acoustics

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CiteExportLink to record
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  • apa
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