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Research Article Open access CC BY 4.0

A Comprehensive Review of the Hybrid Solar Dryers

T. O. Aduewa, S. A. Fatounde, A. M. Aderotoye

Asian Journal of Advances in Agricultural Research · pp. 21–33 · Published 18 Jun 2022

10.9734/ajaar/2022/v18i330224

Abstract

In numerous under developed and developing countries, agrarian biological products are dried in open sun and this system of drying diminishes the exceptional quality, widespread acceptance and standard of the dried products because of hindrance from external contaminations, excessive ultra violet radiation and uneven drying rates. Decreasing petroleum derivative saves and expanding impacts of evolution global climate change environmental change because of ozone harming substance discharges have prompted a phenomenal worldwide interest in sustainable wellsprings of energy in food processing.  A main competitor among these arising innovations is the change of sunlight to electric power as a substitute and steadiness for sun oriented drying framework. This process can be accomplished directly with sun powered cells (utilizing the photovoltaic impact) or indirectly by concentrating incident solar radiation to generate high-quality heat, which then supports heat production in conventional solar dryers. Various types of solar dryers have been designed and developed in different regions of the world, offering exclusive technical performances. In the hybrid solar dryers, the drying process is successful even under ominous atmospheric conditions. In this assessment paper, we reviewed unique forms of hybrid oriented solar dryers with respect to unique layout adjustments to be able to increase their effectiveness and thermal stability.

Direct solar dryer drying hybrid solar dryer solar radiation sun

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