HEAT AND MASS TRANSFER ANALYSIS OF A GRAIN DRYER

Grain drying is essential for preserving grains. In this work, heat, and mass transfer analysis is done for a thin layer dryer that consists of radiated semi-cylindrical wall and two individual flat plates at the base. The grain plate is a conveyor bed, whereas the other plate is a heater. The radiation heat transfer from the heated plate is used to remove the moisture. The plate temperature and convective heat transfer coefficient are calculated under different operating conditions. At design conditions, the required heat flux for evaporating the moisture content is 0.89 of the radiation heat flux from the plate.