Design and Realization of a Mixed Solar Cooker: Application to the Cooking of the Sorghum Wort
Journal of Energy and Natural Resources
Volume 9, Issue 2, June 2020, Pages: 75-80
Received: Dec. 20, 2019;
Accepted: Jan. 7, 2020;
Published: Jun. 4, 2020
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Guy Bertrand Tchaya, Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon
Jean Materne Ango, Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon
Etienne Tchoffo Houdji, Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon
Darmand Roger Djoulde, Department of Agriculture, Animal Husbandry and By-Product, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon
Noël Djongyang, Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon
The depletion of fossil energy and his consumption in cooking as the use of firewood are contributing to increase the problem of climate change. It is urgent to find alternative energy sources to take over the situation when the areas are being blessed with higher solar energy potential. The present work concerns design and realization of a mixed solar cooker. It consists of a parabolic reflector of 1m diameter and 0.24m focal point and a box type size of 8.064 dm3. The temperature and irradiance measurements were carried out using a pyranometer and PT 100 sensors. The data were recorded using an acquisition unit (ALMEMO 2390). The design was made by a basic theoretical model developed from the heat transfer equations and simulated using MATLAB software. The tests carried out show that without a sun tracking and without regulating, the temperature inside the cooker rises and reaches the maximum of 95.5°C for a day during which the average irradiance is 690.13 W⁄m2. Without temperature regulation and with manual sun tracking, the temperature is not constant and the maximum value obtained in the cooker is 168°C for an average irradiance of 716.86 W⁄m2. The cooking of 2 litres of sorghum wort was carried out through manual temperature regulation of 80°C for 1 hour and 16 minutes under an average irradiance of 555.52 W⁄m2.
Guy Bertrand Tchaya,
Jean Materne Ango,
Etienne Tchoffo Houdji,
Darmand Roger Djoulde,
Design and Realization of a Mixed Solar Cooker: Application to the Cooking of the Sorghum Wort, Journal of Energy and Natural Resources.
Vol. 9, No. 2,
2020, pp. 75-80.
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