Abstract
This article investigates unsteady flow of viscous fluid flow by a
rotating stretchable disk. Porous medium is considered and describe by
Darcy’s law. Using the flow assumption, the flow model governs by system
of partial differential equation (PDE). New dimensional less variables
are introduce to covet the system to dimensionless from. Finite
difference method is utilized to solve dimensionless PDE’s system.
Effects of important flow parameters on velocity, temperature, Nusselt
number and skin fraction are examined graphically. Results outcomes show
that velocity decay though porosity parameter while temperature show is
increasing function of Prandl and Eckert number. Skin fraction and
Nusselt number increase for higher porosity parameter and Eckert number
respectively.