Hygroscopic properties of wood and wood-based panels

Moist air properties. Wood structure and composition as related to hygroscopic properties. Methods for determining moisture content. Hygroscopic equilibrium, equilibrium moisture content. Sorption isotherms, incl. theories of water sorption. Thermodynamics of water sorption. Water transfer at the interface moist air - wood surface. Steady-state and transient diffusion. Anomalous (non-Fickian) diffusion.