University of Cambridge > Talks.cam > Fluid Mechanics (CUED) > Heat Transfer Enhancement using Porous Media: effect of local-thermal non-equilibrium condition and thermal radiation

Heat Transfer Enhancement using Porous Media: effect of local-thermal non-equilibrium condition and thermal radiation

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Transport through porous media has gained considerable attention in recent decades due to its relevance to a wide range of applications. These include applications in biomechanics, enhance geothermal systems (EGS), carbon capture storage (CCS), transpiration cooling and heat transfer enhancement (HTE) in heat exchangers. It is now well known that heat convection can be enhanced through using porous material. In HTE , it is preferred not to fully fill the system with the porous medium. This is to avoid the significant pressure drops occurring in the fully filled systems. Therefore, partial filling is an attractive way of enhancing heat transfer, while maintaining the pumping expense at a reasonable level. This seminar presents analytical and numerical investigations of forced convective heat transfer in a porous media under local thermal non-equilibrium condition with different interface thermal boundary condition at the porous-fluid interface. The emphasize is put on improvement the prediction of temperature fields and rate of heat transfer within a porous medium.

This talk is part of the Fluid Mechanics (CUED) series.

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