REVIEW OF HYBRID SOLAR DRYERS
Keywords:
Direct Type Solar Dryer, Natural Solar Dryer, Hybrid Solar Dryer.Abstract
n many countries, agricultural products are dried under the open sun. However, this way of drying degrades the quality of the dried products due to interference from external impurities and uneven drying rates. Numerous types of solar dryers have been designed and developed in various parts of the world, yielding varying degrees of technical performance. Basically, there are three types of solar dryers; direct solar dryers, indirect solar dryers and mixed-mode dryers. This review paper is focused on hybrid solar dryers. Drying proceeded successfully even under unfavorable weather conditions in the hybrid mode of operation these are the most cost effective type of dryers and are easy to fabricate and use. In this review paper, we reviewed different types of hybrid solar dryers and different design modifications applied to them in order to increase their effectiveness.
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