Abstract
The elastohydrodynamic analysis of plain cylindrical rotor bearing system lubricated with couple stress fluid is performed in this paper. The hydrodynamic pressure is generated entirely by the motion of the journal and depends on the viscosity of the lubricated fluid. In this analysis the static and dynamic characteristics are analyzed against the flexibility of bearing liner. The modified Reynold equation and three dimensional elasticity equations are solved using an iterative approach. A non-dimensional parameter ‘l’ has been used for couple stress fluid. An increase in couple stress parameter with flexibility causes the enhancement of load carrying capacity. The static and dynamic characteristics of journal bearing system with flexible liner are improved with use of couple stress fluid as lubricant.
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