Laminar Flow Between Rotating Porous Disks

by Abdel F. Elkouh,

Serial Information: Journal of the Engineering Mechanics Division, 1968, Vol. 94, Issue 4, Pg. 919-930

Document Type: Journal Paper


A perturbation solution of the equations of motion for steady, incompressible, laminar flow between a porous rotating disk and a stationary nonporous disk has been obtained. The solution obtained is valid for small wall Reynolds numbers and various values of the rotation coefficient, α=2h3 ω2/v V, in which h = the distance between disks, ω = the angular velocity, V = the magnitude of suction or injection velocity, and v = the kinematic viscosity. Expressions for the velocity, pressure, viscous stress, and resisting moment are presented.

Subject Headings: Rotational flow | Equations of motion | Porous media flow | Rotation | Laminar flow | Steady flow | Walls | Reynolds number

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