Effect of Nanoparticle Additives on Journal Bearing Lubricated with Non-Newtonian Carreau Fluid

W. Gunnuang; C. Aiumpornsin; Mongkol Mongkolwongrojn

doi:10.4028/www.scientific.net/AMM.751.137

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 751Effect of Nanoparticle Additives on Journal...

Effect of Nanoparticle Additives on Journal Bearing Lubricated with Non-Newtonian Carreau Fluid

Abstract:

This research work presents the influence of Al₂O₃ nanoparticle additives on the performance characteristics of a journal bearing. Non-Newtonian fluid based on Carreau viscosity model was represented for SAE10W50 oil blended with Al₂O₃ nanoparticles in this work. Reynolds equation and energy equation have been formulated and solved numerically using finite difference method and multigrid multilevel techniques with boundary conditions. The static characteristics of the journal bearing under isothermal and adiabatic conditions were examined. The results show that the addition of Al₂O₃ nanoparticles improve load-carrying capacity of the journal but almost no change on film temperature due to good thermal property of Al₂O₃ nanoparticles.

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Periodical:

Applied Mechanics and Materials (Volume 751)

Pages:

137-142

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.751.137

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Online since:

April 2015

Authors:

W. Gunnuang*, C. Aiumpornsin, Mongkol Mongkolwongrojn

Keywords:

EHL, Journal Bearing, Nanofluid, Non-Newtonian

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References

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