Journal Bearings Lubrication Aspect Analysis Using Non-Newtonian Fluids

The aim of this work is related to an analysis of journal bearings lubrication using non-Newtonian fluids which are described by a power-law model. The performance characteristics of the journal bearings are determined for various values of the non-Newtonian power-law index “n” which is equal to: 0....

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Bibliographic Details
Published in:Advances in tribology 2013-01, Vol.2013 (2013), p.1-9
Main Authors: Malki, Maamar, Belhaneche, Hacene, Larbi, Salah, Nessil, Abdessamed
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Fluid flow
Fluids
Heat transfer
Journal bearings
Lubricants & lubrication
Lubrication
Mathematical models
Non Newtonian fluids
Studies
Tribology
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Summary:The aim of this work is related to an analysis of journal bearings lubrication using non-Newtonian fluids which are described by a power-law model. The performance characteristics of the journal bearings are determined for various values of the non-Newtonian power-law index “n” which is equal to: 0.9, 1, and 1.1. Obtained numerical results show that for the dilatant fluids (n>1), the load-carrying capacity, the pressure, the temperature, and the frictional force increased while for the pseudo-plastic fluids (n
ISSN:1687-5915
1687-5923
DOI:10.1155/2013/212568