EVALUATION OF WOOD SORPTION MODELS FOR HIGH TEMPERATURES
Vidal Bastías, Marcia(Université Laval Département des sciences du bois et de la forêt Centre de recherche sur le bois) | Cloutier, Alain(Université Laval Département des sciences du bois et de la forêt Centre de recherche sur le bois)
Seven wood sorption models available in the literature were parameterized for prediction of equilibrium moisture content for temperatures up to 220°C. The criterion used to evaluate the models is the uncorrected sum of squares of differences between the predicted equilibrium moisture content and experimental values published in literature for temperatures between 0°C and 160°C. The results show that the Malmquist model gave the best overall fit to experimental data for the relative humidities considered (40%, 52%, 65%, 75% and 85%). However, the García model performs better for temperatures between 110°C and 155°C at a relative humidity of 85%. Therefore, the choice of the sorption model depends on the specific hygrothermal conditions required by the user.
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