Abstract

The effects of lubricant rheology and three-dimensional irregularities in hydrodynamic journal bearings are presented in this paper. This equation is incorporated into the Elrod cavitation algorithm. This numerical procedure, which conserves mass throughout the bearing, implicitly incorporates the JFO boundary conditions at rupture and reformation boundaries. Numerical simulation results show that the pressure distribution depends not only on micropolar fluid but also on asperity size.

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