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Water Sorption/Desorption Kinetics and Convective Drying of Eucalyptus globulus Wood
( Mahyoub AMER ),( Bousselham KABOUCHI ),( Salah El ALAMI ),( Brahim AZIZE ),( Mohamed RAHOUTI ),( Abderrahim FAMIRI ),( Abdelwahed FIDAH ) 한국목재공학회 2019 목재공학 Vol.47 No.5
Radial and tangential water diffusion in Eucalyptus globulus wood was investigated using three mature trees from a forest in Khemis Sahel (North Morocco). Absorption and desorption kinetics experiments were conducted at ambient temperature (25 °C) and 30 °C, respectively, and a relative humidity of 60%. The diffusion coefficients in the two directions were determined under imposed hygrothermal conditions; they were greater in the radial direction for the absorption as well as desorption processes. Convective drying under load, preceded by reconditioning and followed up by balancing, revealed the drying conditions that corresponded to the appropriate drying schedules for E. globulus wood. This was verified by measuring the cracks and bowsbefore and after drying of boards.