Affiliation:
1. Department of Agricultural Machinery, Agricultural Faculty, Tarbiat Modares University, Tehran, Iran
Abstract
Energy and exergy analyses may be considered as important tools for design,
analysis and optimization of thermal systems. This paper reports on energy
and exergy analyses of thin-layer drying of sour pomegranate arils with
microwave pretreatment. There were two microwave pretreatments (100W for 20
min and 200 W for 10 min) along with a control treatment (convection drying
with no microwave pretreatment). Experiments were carried out at three air
temperatures (50, 60 and 70?C) and three air velocities (0.5, 1 and 1.5 m/s).
Results showed that energy utilization and energy utilization ratio increased
with time, while exergy efficiency decreased. Energy utilization and drying
time decreased considerably with microwave pretreatment of pomegranate arils.
The minimum values of exergy loss and exergy efficiency were associated with
the 200W microwave pretreatment, while they were maximum for control
treatment.
Publisher
National Library of Serbia
Subject
General Chemical Engineering
Cited by
29 articles.
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