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Journal of Applied Mechanics and Technical Physics

2013 year, number 2

Effect of Ion Slip on the Time-Varying Hartmann Flow of a Non-Newtonian Viscoelastic Fluid with Heat Transfer

H. A. Attia, M. A. M. Abdeen
Keywords: MHD flow, heat transfer, non-Newtonian, viscoelastic, electrically conducting fluids, Hall current, ion slip, porous plates
Pages: 268-276


Ion slip in a time-varying Hartmann flow of a conducting incompressible non-Newtonian viscoelastic fluid between two parallel horizontal insulating porous plates is studied with allowance for heat transfer. A uniform and constant pressure gradient is applied in the axial direction. An external uniform magnetic field and uniform suction and injection through the surface of the plates are applied in the normal direction. The two plates are maintained at different but constant temperatures; the Joule and viscous dissipations are taken into consideration. Numerical solutions for the governing momentum and energy equations are obtained with the use of finite differences, and the effect of various physical parameters on both the velocity and temperature fields is discussed.