Abstract
Abstract This work examines the ER lubricant behavior on the performance of conical hybrid journal bearing. The influence of micro-texture with different shapes used on the bearing surface is studied. FEM is used to solve the modified Reynolds equation using GMRES method. A parametric study is carried out to optimize the dimple attributes on the basis of radial load. The numerical results show that a textured surface and ER lubricant enhances the values of load carrying capacity ( W ¯ R and W ¯ A ) and fluid film stiffness coefficients ( S ¯ i j ) for conical journal bearing. Further, it has been observed that the use of ER lubricant enhances the value of minimum fluid film thickness ( h ¯ m i n ), thereby reducing the chances of metal to metal contact.
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