Dryout and Replenishment of Bottom-Heated Saturated Porous Media with an Overlying Plain Water Layer
2018
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 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 to the addition of surfactant in the saturating liquid.
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