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research-article

Improvement of the Thermal Performance of Solar Drying Systems Using Different Techniques: A review

[+] Author and Article Information
Messaoud Sandali

Université Kasdi Merbah Ouargla, Laboratoire de développement des énergies nouvelles et renouvelables en zones arides (LENREZA), Ouargla 30000, Algeria Ouargla, Algeria 30000 Algeria sandalimessaoud@gmail.com

Abdelghani Boubekri

Université Kasdi Merbah Ouargla, Laboratoire de développement des énergies nouvelles et renouvelables en zones arides (LENREZA), Ouargla 30000, Algeria Ouargla, Algeria 30000 Algeria abdelgh@gmail.com

Djamel Mennouche

Université Kasdi Merbah Ouargla, Laboratoire de développement des énergies nouvelles et renouvelables en zones arides (LENREZA), Ouargla 30000, Algeria Ouargla, Algeria 30000 Algeria mennouche@gmail.com

1Corresponding author.

Contributed by the Solar Energy Division of ASME for publication in the Journal of Solar Energy Engineering. Manuscript received September 7, 2018; final manuscript received April 17, 2019; published online xx xx, xxxx. Assoc. Editor: Ming Qu.

ASME doi:10.1115/1.4043613 History: Received September 07, 2018; Accepted April 22, 2019

Abstract

Solar drying is one of the most important processes of preserving agricultural products. This review paper focused mainly on the enhancement of solar drying system efficiency. The establishment of different techniques and factors which may affect on the performance of solar dryers helps to improve their effectiveness. Different types of solar dryers were described here. Moreover various performance analyses of solar drying systems (SDSs) were presented. Factors and techniques improving efficiency of solar dryer were discussed as well. The effect of operating conditions, geometrical conditions, adding of reflectors, heat exchanger and heat pump, photovoltaic source, air circulation mode, and phase change material on the efficiency of solar drying system were studied and discussed.

Copyright © 2019 by ASME
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