this paper a fluid film equation for two layer fluids and generalized Reynolds
equation for convergent and divergent spiral bearing is derived with thermal
effect. It is applied to see the effect of pre-load factor, viscosity
variation, eccentricity, peripheral layer thickness. Expressions for load,
pressure and coefficient of friction are derived and are analyzed numerically.
The effect of pre-load factor analyzed for convergent and divergent spiral
bearings. When pre-load factor is zero then both convergent and divergent
spiral bearings are becomes journal bearing. It is observed the dimensionless
load capacity values form the tables. The spiral bearing bears more load
capacity than journal bearing. The effects of viscosity variation and thermal
effect on these parameters are also analyzed.
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