A Study of Thermal Effect on the Ferrofluid Lubrication of a Rough Porous Exponential Slider Bearing Considering Slip Velocity

摘要

This investigation discusses the Ferrofluid lubrication of a rough porous exponential slider bearing considering thermal effect and slip velocity. The model of Christensen and tonder has been taken into consideration for evaluating the effect of transverse roughness. The Ferrofluid flow model of Neuringer - Rosensweig has been invoked for the development of modified Reynolds equation. The model of Tipei has been adopted for the thermal effect. Beavers and Joseph's slip model used for slip velocity. The load bearing capacity has been obtained numerically. The graphical representation shows that there is a steep hike in the load carrying capacity due to magnetization which becomes nearly enough to overcome the thermal effects when the porosity is at reduce level. Of course, the transverse roughness registers a negative effect, But the situation remains relatively better in the case of negatively skewed roughness. However, in better performance the slip is desired to be less.