Abstract
An analysis of the influence of capillary hysteresis in the humidity migration in porous media is presented. Several situations have been considered: experimental and numerical study of transfer phenomena in porous media at impermeable boundaries, numerical simulation of the thermo-hydraulic behaviour of the cellular concrete wall under cyclic thermal conditions. Effects of temperature on capillary properties and the relaxation time of the liquid flux by capillary effects, are also taken into account and studied.
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