Experimental dryer design for agricultural products
2016
GONELI, ANDRÉ L. D. | MARTINS, ELTON A. S. | JORDAN, RODRIGO A. | GEISENHOFF, LUCIANO O. | GARCIA, RENATO T.
ABSTRACT This study consisted of designing and building an experimental dryer that allows working with different temperatures and velocities of the air, aiming to perform studies on thin- and thick-layer drying of agricultural products. The project was divided into three stages: heat source designing, dryer geometric parameters, and fan selection to meet operational demand. Heating was made by a set of six electrical resistances totaling 12 kW and the drying bed in thin layer was composed of two trays with diameter of 0.20 m. Operational demands were met using a centrifugal fan with a power rating of 735.5 W. The used methodology was able to size the experimental dryers for thin- and thick-layer drying working at distinct temperatures and air velocities.
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