Abstract
This investigation analyzes the performance of a magnetic fluid based squeeze film for a sphere in a rough spherical seat with slip velocity. The slip model of Beavers and Joseph has been deployed to study the effect of velocity slip while the stochastic model of Christensen and Tonder has been used to calculate the effect of surface roughness. The concerned statistically averaged Reynolds’ type equation is solved to derive the pressure distribution which results in the calculation of load carrying capacity. The results presented in graphical forms confirm that the adverse effect of slip velocity can be overcome to a large extent at least in the case of negatively skewed roughness. However, lower values of slip may be preferred for enhancing the performance characteristics of the bearing system. Besides, variance (−ve) provides a little support to improve the performance characteristics.
Highlights
During the last two decades the magnetic fluid flow has drawn considerable interest for the applications to various engineering and industrial problems
Lin et al [3] discussed the squeeze film characteristics of parallel circular disks lubricated by a ferrofluid with nonNewtonian couple stresses
Patel and Deheri [25] analyzed the effect of slip velocity and roughness on the performance of Jenkins model based magnetic squeeze film in curved rough circular plates
Summary
During the last two decades the magnetic fluid flow has drawn considerable interest for the applications to various engineering and industrial problems. Patel and Deheri [16] studied the performance of ferrofluid lubrication of a squeeze film in rough porous parallel circular disks, considering slip velocity. Patel and Deheri [23] studied the effect of surface roughness on the performance of a magnetic fluid based parallel plate porous slider bearing with slip velocity. Patel and Deheri [24] dealt with the effect of slip velocity on the performance of a short bearing lubricated with a magnetic fluid. Patel and Deheri [25] analyzed the effect of slip velocity and roughness on the performance of Jenkins model based magnetic squeeze film in curved rough circular plates. Patel and Deheri [26] presented the effect of slip velocity and surface roughness on the behavior of Jenkins model based magnetic squeeze film in curved rough circular plates. It has been proposed to discuss the effect of slip velocity on the above geometrical configuration of the bearing system
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