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Trends in Applied Sciences Research
Year: 2011  |  Volume: 6  |  Issue: 6  |  Page No.: 595 - 605

CFD Modeling of Heat and Mass Transfer in the Fluidized Bed Dryer

M. Keshavarz Moraveji, S.A. Kazemi and R. Davarnejad    

Abstract: Heat and mass transfer during drying process in a fluidized bed dryer have been modeled with Computational Fluid Dynamics (CFD) method. An Eulerian- Eulerian two fluid model incorporating kinetic theory was used for simulation of gas-solid flow. Governing equations were discretized based on finite volume in two-dimension and discretized algebraic equations were solved iteratively with Semi Implicit Method for Pressure Linked Equations (SIMPLE) method. The effects of operating conditions involving inlet gas velocity, inlet gas temperature, inlet solid temperature, initial solid moisture and particle size on the drying process were investigated. The modeled data were in good agreement with the experimental data obtained from the literature.

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