Ceramics-Silikáty 34, (3) 199 - 206 (1990) |
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MODEL OF ELECTRIC RESISTANCE DRYING OF CERAMIC BODY IN QUASISTATIONARY CONDITIONS |
Havrda Jiří, Gregorová Eva, Oujiří František |
Institute of Chemical Technology, Department of Silicate Technology, Suchbátarova 5, 166 28 Prague 6
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The proposed model of electric resistance drying of ceramic bodies in a quasistationary conditions wus developed on the calculation of moisture and temperature fields. The solution has been derived or a constant diffusion coefficient as well as for a diffusion coefficient depending on temperature. A comparison of the results obtained with the two models and the experimental values showed a satisfactory agreement, thus proving the models to be suitable for the description of electric resistance drying. |
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