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A solar dryer is a device that uses the sun's heat to dry substances, especially food. Solar dryers are a cheap, effective, and safe method of drying agricultural and food products. Solar dryers can improve the quality of the product and reduce drying time compared to sun drying.
Solar dryers can be divided into two types: direct and indirect.
In direct solar dryers, the substance to be dried is exposed to sunlight in a large field. In indirect solar dryers, a black surface heats the incoming air, which is then passed on to the substance to be dried. Solar dryers can be used to dry a variety of agricultural products, including: Cereals, Fruits, Vegetables, Meat, Fish, Aromatic plants.
Related: Renewable Energy Practice Test: Solar Furnace
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