Determination of moisture diffusivity and salt diffusion coefficient of building materials
1
Czech Technical University in Prague, Faculty of Civil Engineering, Department of Structural Mechanics Thákurova 7, 166 29 Prague 6, Czech Republic
2
Brno University of Technology, Faculty of Civil Engineering, Institute of Chemistry, Žižkova 17, 662 37 Brno, Czech Republic
Acta Agroph. 2005, 6(3), 773-783
KEYWORDS
ABSTRACT
Basic models of coupled water and salt transport in building materials are presented in the paper. The methods for determination of water and salt transport and storage parameters are discussed from the point of view of the applicability of the parameters in the models. Finally, an example of determination of moisture diffusivity and salt diffusion coefficient from the measured moisture and salt concentration profiles is given.
METADATA IN OTHER LANGUAGES:
Polish
Określenie dyfuzyjności wilgotnościowej oraz współczynnika dyfuzji soli
w materiałach budowlanych
połączony transport wody i soli, dyfuzyjność wilgotnościowa, współczynnik dyfuzji soli
W pracy przedstawiono podstawowe modele połączonego transportu wody i soli w materiałach budowlanych. Metody określania parametrów transportu i gromadzenia wody i soli omówiono z punktu widzenia przydatności tych parametrów do budowania modeli. Na koniec podano przykład określania dyfuzyjności wodnej oraz współczynnika dyfuzji soli na podstawie zmierzonych profili wilgotności oraz stężenia soli.
| eISSN: | 2300-6730 |
| ISSN: | 1234-4125 |
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