Dryout and Replenishment of Bottom-Heated Saturated Porous Media with an Overlying Plain Water Layer

Dryout and Replenishment of Bottom-Heated Saturated Porous Media with an Overlying Plain Water Layer

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The aim of this paper is to elucidate the influence of the physical properties of both phases—solid matrix and saturating liquid—of bottom-heated porous media with an overlying plain water layer.The dryout, the stability of the system’s water layer-vapor region, and the Wastebags thermal state evolution are studied.The porous media under study are a bronze powder saturated by water, and a solution of surfactant and coarse sand saturated by the same liquids.From the experimental data obtained, a theoretical approach is carried out to describe the dryout and rewetting process.The influence of the nature and physical properties of the solid and liquid phases is also analyzed, with special attention MANDARIN ORANGE SPICE to the addition of surfactant in the saturating liquid.