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Thermal analysis of lubricant flow in a textured inlet contact
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: 0000-0002-6473-7090
2008 (English)In: Proceedings of the 19th International Symposium on Transport Phenomena (ISTP-19): Reykjavik, Iceland, August 17-21, 2008 / [ed] Sigurdur Brynjolfsson; Olafur Petur Palsson; Jong H. Kim, University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science , 2008Conference paper, Published paper (Refereed)
Abstract [en]

Performance of an inlet textured contact is analysed for a temperature dependent lubricant flow. Thermal effects are analysed for different shear rates. Shearing of lubricant and subsequent heating reduce load carrying capacity and frictional losses compared with isothermal conditions. Load carrying capacity of a parallel surface contact can be improved by using texturing at the inlet when thermal effects are considered. It is also shown that for the different convergence ratios considered, the texture enables the sustaining of a load until a certain critical shear rate is reached. This critical shear rate depends on a number of factors such as the convergence ratio and lubricant parameters including the viscosity-temperature coefficient and the dynamic viscosity at reference temperature.

Place, publisher, year, edition, pages
University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science , 2008.
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-28637Local ID: 281927e0-74db-11dd-a03a-000ea68e967bOAI: oai:DiVA.org:ltu-28637DiVA: diva2:1001839
Conference
International Symposium on Transport Phenomena : 17/08/2008 - 21/08/2008
Note
Godkänd; 2008; Bibliografisk uppgift: CD-ROM; 20080828 (cervante)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-10-20Bibliographically approved

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