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has been cited by the following article:

• TITLE: Time Dependent Pressure Gradient Effect on Unsteady MHD Couette Flow and Heat Transfer of a Casson Fluid

  AUTHORS: M. E. Sayed-Ahmed, Hazem A. Attia, Karem M. Ewis

  KEYWORDS: MHD Flow, Heat Transfer, Non-Newtonian Fluids, Unsteady Pressure, Numerical Solution

  JOURNAL NAME: Engineering, Vol.3 No.1, January 29, 2011

  ABSTRACT: The unsteady magnetohydrodynamic flow of an electrically conducting viscous incompressible non-Newto- nian Casson fluid bounded by two parallel non-conducting porous plates has been studied with heat transfer considering the Hall effect. The fluid is acted upon by a uniform and exponential decaying pressure gradient. An external uniform magnetic field is applied perpendicular to the plates and the fluid motion is subjected to a uniform suction and injection. The lower plate is stationary and the upper plate is suddenly set into mo- tion and simultaneously suddenly isothermally heated to a temperature other than the lower plate temperature. Numerical solutions are obtained for the governing momentum and energy equations taking the Joule and viscous dissipations into consideration. The effect of unsteady pressure gradient, the Hall term, the parameter describing the non-Newtonian behavior on both the velocities and temperature distributions have been stud- ied.