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Finite element solution of micropolar fluid flow from an enclosed rotating disc with suction and injection. (English) Zbl 1210.76117
Summary: The steady flow of a micropolar fluid over a finite rotating disc enclosed within a coaxial cylindrical casing has been studied. The governing equations were solved numerically by using the finite element method. Maximum values ξ 1 and ξ 2 of the dimensionless radial distance at which there is no-recirculation for the cases of net radial outflow and net radial inflow respectively, increase with an increase in the micropolar effects. The velocities at ξ 1 and ξ 2 as well as at some fixed radii have been calculated and the associated phenomena of no-recirculation/recirculation is discussed. The change in the flow phenomenon due to a reversal of the direction of the net radial flow has also been studied.
MSC:
76M10Finite element methods (fluid mechanics)
76S05Flows in porous media; filtration; seepage