Abstract
A steady-state performance analysis has been conducted for a radially loaded swing-pad journal bearing with given initial clearance and normal load. The analysis consists of equilibrium determination of journal center displacements, pad tilting position, elastic deflections, pad load distribution, effective temperature, as well as operating clearances in bearings. Using values of statically measured shear and radial stiffness for the laminate, numerical results have been calculated for an oil-lubricated 12-pad swing-pad bearing which show that there is sufficient moment about the curvature center of the laminate, caused by various hydrodynamic forces, to swing the pad to produce a convergent lubricant wedge between the pad surface and the journal. The calculated film ratio which characterizes the lubricant-wedge-forming action is found to increase with pad load. The examples yield values of coefficient of friction in good agreement with those obtained from measured torque values in experiments conducted a...
Published Version
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