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Thermal analysis of lubricant flow in a textured inlet contact
Luleå University of Technology, Division of Machine Elements.
2008 (English)In: Proceedings of the 19th International Symposium on Transport Phenomena (ISTP-19), 2008Conference 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
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Tribology Fluid Mechanics and Acoustics
URN: urn:nbn:se:kth:diva-80646OAI: diva2:496874
International Symposium on Transport Phenomena, 19. Reykjavik, Iceland. August 17-21, 2008
QC 20120510Available from: 2012-02-10 Created: 2012-02-10 Last updated: 2012-05-10Bibliographically approved

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Glavatskih, Sergei
TribologyFluid Mechanics and Acoustics

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