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versão On-line ISSN 2224-6185
Resumo
BERGUES-RICARDO, Ciro César; DIAZ-LOPEZ, José Raúl e TORRES-TEN, Alonso. Correlations of Mean Process Parameters for Agricultural Products Drying in Thin Bed in Solar Direct Dryers. RTQ [online]. 2013, vol.33, n.3, pp. 328-339. ISSN 2224-6185.
A group of correlations is given between mean parameters of drying process drying velocity, energy losses, useful energy, and thermal efficiency. Those are suitable for conditions of thin bed drying, in direct solar dryers, and may help for developing of an integral approach of solar drying in those conditions. Correlations are reliable for drying processes of diverse crop products specified, such as roots, seeds, vegetables, fruits, wood, etc, with natural or forced convection. Correlations were validated in Cuba for usual ranges of efficiency and products in solar dryers of cover, cabinet and house types, in tropical conditions. These correlations are useful for design and exploitation of dryers and for theoretical and practical comprehension of solar drying like a system.
Palavras-chave : drying process; agricultural products; solar direct dryers.