Abstract
The behaviour of a laminar non-Newtonian film (power law) in a journal bearing was studied and the momentum equation for an infinitely long bearing was solved by assuming a polynomial expansion for the velocity profile. An expression for the pressure distribution was obtained by using the integrated continuity equation. For a Newtonian fluid n = 1 and the expression reduces to the Reynolds equation. The distribution of fluid film pressure was obtained for various values of the eccentricity ratio for n = 0.9, 1.1 and 1.3 respectively. The viscometric exponent of the power-law model is shown to have a significant effect at higher eccentricity ratios.
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