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Studying the Affecting Factors on Drying Rates of Plum Fruits under Varying Drying Air Conditions

Authors:Amer Baher, Institute of Agricultural Engineering Bornim (ATB), Germany
Gottschalk Klaus, Institute of Agricultural Engineering Bornim (ATB), Germany
Topic:8.1 Control in Agriculture
Session:Control in Agricultural and Horticultural Environments
Keywords: Parameters estimation, controlled conditions & mathematical model.

Abstract

Thin-layer drying rates of plum fruits were determined experimentally under different controlled conditions of the drying air for estimation mathematically the affecting parameters on the drying time.The results showed that cutting the plum fruits into two halves had the greatest effect on the drying rate, followed by the plums initial moisture content. The air temperature, the relative humidity of the drying air and the plums sugar content had a remarkable effect. The drying air velocity, the density of the plum fruits and the dipping time of the plum fruits in water at 100°C had the least effect. Copyright © 2005 IFAC