Abstract
Abstract Recently, textured surfaces have been used to enhance the performance of tribological systems. This paper examines the effect of textured surfaces on hole-entry spherical hybrid journal bearings operated using magnetorheological (MR) fluid. The different geometric shapes of textured surfaces, including spherical, rectangular, and conical, have been selected for numerical analysis. Next-generation design for tribological systems based on MR fluid lubrication emphasizes dynamic performance. MR fluid responds quickly, and its rheological characteristics can be simply adjusted. The present paper also deals with the non-Newtonian behavior of MR fluid on the bearing performance characteristics parameters. The finite element method is used to solve the modified Reynolds equation. The findings of numerical simulation show that the application of textured surfaces and MR fluid improves the values of minimum fluid film thickness and stability of the bearing.
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