Calculation of Evaporation Rate in Drying Section of Fixed-Bed Gasifiers

M. Jalili, A. Anca-Couce, N. Zobel & F. Behrendt
Drying process of a single woody biomass particle is modeled using a multiphase porous media model. Three different methods including equilibrium, heterogeneous reaction and heat sink methods are used for calculation of evaporation rate. Sensitivity of the drying model to the methods used for calculation of the evaporation rate for two applied case studies is presented. The reaction method is highly sensitive to pre-exponential factor which is reported broadly different in the literature. The heat...