alexa Thermal dispersion and viscous dissipation effects on non-darcy mixed convection in a fluid saturated porous medium


Journal of Physical Mathematics

Author(s): P V S N Murthy

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Mixed convection flow and heat transfer about an isothermal vertical wall embedded in a fluid saturated porous medium with uniform free stream velocity is considered and the effects of thermal dispersion and viscous dissipation in both aiding and opposing flows are analysed. Similarity solution is not possible due to the inclusion of the viscous dissipation term, series solution is obtained, first and second order effects of dissipation revealed that viscous dissipation lowers the heat transfer rate. Observations also revealed that the thermal dispersion effect enhances the heat transfer rate and the effect of viscous dissipation is observed to increase with increasing values of the dispersion parameter.

This article was published in Heat and Mass Transfer and referenced in Journal of Physical Mathematics

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