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Simulation of Airflow in a Flatbed Dryer by Computational Fluid Dynamics: Application for the Drying of Rice in Mekong Delta, Vietnam

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  036229,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.14166) @2003
Authors:   Pieter Verboven, Pieter Verboven, Martine Baelmans, Josse De Baerdemaeker, Bart M. Nicolai
Keywords:   Airflow, CFD, drying, modeling, rice

In order to improve flatbed rice dryers, which have been used in Mekong delta (MD), Vietnam, A prototype model was set up and investigated. A mathematical model was developed to compute the local airflow at different positions in the flatbed dryer model and investigate the effect of dryer geometry. The model solves the Reynolds-averaged Navier- Stokes equations for the airflow with a k- model for turbulence. A good qualitative agreement was obtained between measured and simulated velocity profiles in the model.

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