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Research Article Open access CC BY 4.0

Experimental Study of Papaya Drying in an Indirect Solar Dryer in Natural Convection

Dianda Boureima, Traore Abdoul Fataho, Ouedraogo Adama, KY Sikoudouin Maurice Thierry, Ouedraogo Issaka, Kam Sié, Bathiébo Dieudonné

Current Journal of Applied Science and Technology · pp. 33–41 · Published 10 Sep 2022

10.9734/cjast/2022/v41i3231817

Abstract

Papaya is a fruit that is prized for its flavor and also for its different appearances. It is seasonal and easily perishable in our climatic conditions. This work is devoted to the improvement of conservation techniques such as drying. We conducted our experimental work in an indirect solar dryer in natural convection under real (random) climatic conditions and the curves are plotted and adapted using the MATLAB calculation software. The results obtained show that for slices of papaya 1 cm thick dry less quickly than that of 0.5 cm thickness. The Gaussian is the model that best adapts to drying curves. The effective diffusion coefficient for 1cm thickness is Deff = 6.80.10-10m/s2.  

Papaya drying kinetics Gaussian thickness diffusion coefficient

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