Review Article

Mass and Heat Transport Models for Analysis of the Drying Process in Porous Media: A Review and Numerical Implementation

Table 1

Comparison of different drying models.

Diffusion theoryReceding front theoryModel of Philip and De VriesLuikov’s theoryKrischer’s theoryWhitaker’s model

Mass transport due toDiffusion of airYes
Convection of airYes
Diffusion of vaporYesYesYesYesYesYes
Convection of vaporYesYesYesYesYes
Capillary forceYesYesYesYesYes
Energy transport due toDiffusionYesYesYesYes
ConvectionYesYesYes
ConductionYesYesYesYesYes