Analysis of a porous exponential slider bearing lubricated with a ferrofluid considering slip velocity

AUTOR(ES)

Shah, Rajesh C., Bhat, M. V.

FONTE

Journal of the Brazilian Society of Mechanical Sciences and Engineering

DATA DE PUBLICAÇÃO

2003-09

RESUMO

A porous exponential slider bearing was studied with a ferrofluid lubricant whose flow is governed by Jenkins flow behaviour considering slip velocity at the porous interface. Expressions for dimensionless pressure, load capacity, friction on the slider, coefficient of friction and the position of the centre of pressure were obtained. Computed values were displayed in graphical from. The load capacity as well as friction decreased and the coefficient of friction increased when the slip parameter increased. But, increase in the material parameter caused decrease in load capacity and increase in friction as well as coefficient of friction. Increase in the slip parameter did not significantly affect the position of the centre of pressure. But, it shifted towards the bearing inlet for large values of the material parameter.

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