Deceleration of a Porous Rotating Disk in a Viscous Fluid

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TR Number

CS83029-R

Date

1983

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Department of Computer Science, Virginia Polytechnic Institute & State University

Abstract

The flow due to a rotating disk decelerating with an angular velocity inversely proportional to time with either surface suction (or injection) which again varies with time is investigated. The unsteady Navier-Stokes equations are transformed to non-linear ordinary differential equations using similarity transformations. The resulting equations are solved numerically using a globally convergent homotopy method. The flow depends on two non-dimensional parameters, namely an unsteadiness parameter S and a suction (or injection) parameter A. Some interesting numerical results are presented graphically and discussed.

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