Study Air Flow Distribution In The Dryer System Through CFD Simulation

Anaam, AbdulRahman Taher Ahmed (2017) Study Air Flow Distribution In The Dryer System Through CFD Simulation. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Study Air Flow Distribution In The Dryer System Through CFD Simulation.pdf - Submitted Version Download (488kB)

Abstract

Tray dryer systems are continuously improving to be more efficient. The aim of this project is to increase the drying rate by studying the air flow distribution in the drying chamber using CFD simulation. This is done by re-designing the drying chamber and its trays. The study is being done using Computational Fluid Dynamics in Ansys Fluent. By using this software, it was possible to predict the air velocity and air temperature that flows on top of the trays and throughout the drying chamber. Drying rate is dependent on many factors. Air velocity, air flow distribution, and temperature are the main contributors in determining the drying rate. Four designs were suggested to improve the air distribution on the trays. Average velocity of each tray and the drying chamber, as well as the gap between the maximum and minimum tray average velocity had determined the best air flow distribution design. It was clear that the up-staging design had the most minimum gap as well as the maximum average velocity.

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