• K Vajravelu

      Articles written in Proceedings – Mathematical Sciences

    • Convective flow and heat transfer of a viscous heat generating fluid in the presence of a moving, infinite, vertical, porous plate

      K Vajravelu

      More Details Abstract Fulltext PDF

      The analysis of convective flow and heat transfer of a viscous heat generating fluid past a uniformly moving, infinite, vertical, porous plate has been made systematically with a view to throw adequate light on the effects of the plate-motion and the presence of heat generation/absorption on the flow and heat transfer characteristics. The equations of conservation of momentum and energy which govern the flow and heat transfer of the said problem have been solved numerically by the method of Runge-Kutta-Gill. The numerical results thus obtained for the flow and heat transfer characteristics have revealed many an interesting behaviour, of the skin friction and the rate of heat transfer coefficient at the plate.

    • Natural convection at a heated semiinfinite vertical plate with temperature dependent heat sources or sinks

      K Vajravelu

      More Details Abstract Fulltext PDF

      Numerical results are presented for the transient and steady-state velocity field and the temperature field. These results were obtained by solving the partial differential equations describing the conservation of mass, momentum and energy by an explicit finite-difference method in time dependent form. It has been observed that the velocity componentsu, v (absolute) and the temperature0 have larger values in the presence of heat sources than in their absence. Opposite is the phenomenon in the presence of heat sinks. A worthwhile result obtained from the detailed examination of the problem is that the presence of heat sources delays the attainment of steady-state condition.

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