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Heat Transfer Research
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Heat Transfer Research

DOI: 10.1615/HeatTransRes.2018016823
pages 491-508

NATURAL CONVECTION IN TRANSIENT MHD DISSIPATIVE FLOW PAST A SUDDENLY STARTED INFINITE VERTICAL POROUS PLATE: A FINITE DIFFERENCE APPROACH

Nazibuddin Ahmed
Department of Mathematics, Gauhati University, Guwahati-781014, Assam, India
M. Dutta
Department of Applied Sciences, Institute of Science and Technology, Gauhati University, Guwahati-781014, Assam, India

ABSTRACT

An attempt has been made to perform a finite difference analysis to study the effects of the magnetic field, thermal radiation, Reynolds number, chemical reaction, and of dissipating heat on the MHD transient dissipative flow past a suddenly started infinite vertical porous plate with ramped wall temperature. An implicit finite difference method of Crank–Nicolson type is adopted to solve the resultant system of dimensionless coupled nonlinear differential equations governing the flow. It is seen that our observation and that of some already published work are consistent as regards the behavior of the magnetic field and chemical reaction on the flow although the flow geometries of the two works are not the same.