Abstract
The present study is undertaken to investigate the effect of geometrical and physical parameters on discrete heating of an annular vertical porous cylinder heated isothermally at center portion of inner radius. Finite element method is employed to convert the governing partial differential equations into matrix form of equations by employing 3 noded triangular elements. Darcy model is assumed to represent the flow behavior inside the porous medium. Two temperature model is used to describe energy flow in the medium. The study is conducted for different lengths of heater corresponding to 20%, 35% and 50% of the total height of the cylinder. It is found that the flow pattern for aspect ratio 1 is smoother than that of the 0.5.
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