Numerical Simulation of Warm-Air Drying of Mexican Softwood (Pinus Pseudostrobus)
In this work, the numerical simulation of Mexican softwood (Pinus pesudostrobus) drying is presented by solving a physics-based model. The model was developed by considering the heat and mass transport and the representative elementary volume, which involves the solid, liquid and gas phases. We solved a system of partial differential equations by numerical factorization in COMSOL Multiphysics 3.4. Three primary variables were solved: the moisture content, the temperature, and the dry-air density. The warm-air drying of Mexican softwood was simulated on a one-dimensional basis. The liquid water, water vapor pressure, dry-air density and moisture evolution at different depth of wood thickness display a good reliability of our numerical simulation.
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