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THE EFFECT OF OIL VISCOSITY ON THE PERFORMANCES OF A TEXTURED JOURNAL BEARING

Auteurs : Nacer Tala-Ighil, Ahcene MOKHTARI, Amine BRICK CHAOUCHE, Kheireddine Bettahar, Michel FILLON
Année : 2016
Domaine : Génie mécanique
Type : Communication
Conférence: 5th International Conference on Integrity, Reliability and Failure (IRF2016)
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Mots clés : journal bearing, texture, viscosity, lubricant

Résumé :

This work compares the viscosity effect of two different oils used as lubricant in a textured hydrodynamic journal bearing. The textured bearing performance enhancement passes by a minimum film thickness and a friction torque improvement through an appropriate surface texturing. The used numerical approach in this analysis is finite difference method. It is found that in the hydrodynamic lubrication regime, the improvement of the performances of the textured (dimpled) journal bearing depend strongly on the journal velocity and the lubricant viscosity.