Results of tomato drying in a greenhouse type solar dryers with natural convection
Behzod HikmatovBukhara State University, Bukhara, UzbekistanUlug’bek MavlonovBukhara State University, Bukhara, UzbekistanKhusniddin JuraevBukhara State University, Bukhara, Uzbekistan
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In this work, the process of drying tomato products using two types of polyethylene as a transparent surface in natural convection solar dryers operating in direct heat transfer mode was studied. Traditional ordinary polyethylene and functional ceramic composite polyethylene based on mullite Al 6 Si 2 O 13 , designed for solar dryers that convert sunlight into infrared pulses, were used as transparent coatings. In functional ceramic composite polyethylene solar dryers, high-energy pulsed radiation energy allows to penetrate deep layers of dried products and evaporate water. This will cause excess moisture to remain in the product to be dried.
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