- Bejan, A. and Tien, C. L., NATURAL CONVECTION IN A HORIZONTAL POROUS MEDIUM SUBJECTED TO AN END-TO-END TEMPERATURE DIFFERENCE.,
Journal of Heat Transfer, Transactions ASME, vol. 100 no. 2
pp. 191 - 198 .
(last updated on 2007/04/08)
Two basic geometries are considered: horizontal layer confined between two adiabatic and impermeable parallel plates, and horizontal cylinder surrounded by an adiabatic and impermeable cylindrical surface. Nusselt number relations are derived in terms of the Rayleigh number and the cavity aspect ratio. The end-wall permeability is shown to affect the heat transfer rate through the medium.
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