Numerical Modeling of Heat and Mass Transfer in a Porous Material

I V Amirkhanov; Амирханов Илькизар Валиевич; E Pavlǔsov´a; Павлушова Эрика; M Pavlus; Павлуш Мирон; T P Puzynina; Пузынина Таисия Петровна; I V Puzynin; Пузынин Игорь Викторович; I Sarhadov; Сархадов Иброхим

Numerical Modeling of Heat and Mass Transfer in a Porous Material

Authors: Amirkhanov IV¹, Pavlǔsov´a E², Pavlus M³, Puzynina TP¹, Puzynin IV¹, Sarhadov I¹
Affiliations:
1. Joint Institute for Nuclear Research
2. ENERGO-CT s.r.o.
3. Preˇsov University in Preˇsov
Issue: No 2.2 (2010)
Pages: 55-58
Section: Articles
URL: https://journals.rudn.ru/miph/article/view/8291
ID: 8291

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Abstract

The numerical research of the suggested phenomenological model of heat and moisture transfer in a porous material is performed. The model is described by a system of equations of four unknown functions - the water concentration wl, water vapor concentration wv, temperature T and source I as functions of the space variable x and time variable t. Diﬀerent cases of initial and boundary conditions are considered that correspond drying of a wet sample or wetting of a dry sample. Calculation results show that during the drying process of a wet sample the temperature of the sample decreases under an initial, room temperature and during the wetting process of a dry sample or the temperature is not changing or the heat in the sample is increasing depending on that whether a water or a hot water vapor is supplied to the boundary.

Keywords

heat transfer, mass transfer, moisture, diﬀusion, porosity, explicit difference scheme

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Numerical Modeling of Heat and Mass Transfer in a Porous Material

Full Text

Abstract

Keywords

About the authors

References

Supplementary files