Novel mixed solar cooker: Experimental,energy, exergy,and economic analysis |
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Authors: | Assam Benbaha Fatiha Yettou Boubakeur Azoui Amor Gama Neelam Rathore Narayan Lal Panwar |
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Affiliation: | 1. LEB Laboratory, Department of Electrical Engineering, Faculty of Technology, University of Batna 2, Batna, Algeria;2. Unité de Recherche Appliquée en Energies Renouvelables, URAER, Centre de Développement des Energies Renouvelables, CDER, Ghardaïa, Algeria;3. Department of Renewable Energy Engineering, Maharana Pratap University of Agriculture and Technology, Udaipur, India |
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Abstract: | This work focuses on the structure, working, and testing of a new mixed solar cooker using a linear Fresnel collector, evacuated tube and box-type cooker. The low-cost components used in the construction of this cooker can help it satisfy the needs of both urban and rural inhabitants who need steady cooking temperatures above 140°C. A family of five can prepare four meals using this modified solar cooker, which costs about $250. The designed solar cooker was tested by conducting no-load and full-load tests. For the no-load test, the maximum temperature of the absorber plate and oil for the new mixed cooker was recorded as 160.26°C and 172.72°C, respectively. The absorber plate of the new mixed cooker and its oil both reached their highest temperatures during the full-load test at 141.14°C and 157°C, respectively. The energy efficiency of the new cooker is 58.776%, while its exergy efficiency is 13%. The heat transfer coefficient increased to 100.16 W/m² °C. This cooker provides an additional time savings of 60 min. An improvement of 27.5% in the highest temperature reached was seen when the developed cooker's performance was compared with those reported in the literature. Additionally, the new cooker's heat-storing capability enables up to 3 h of autonomy. The Levelized Cost of Cooking a Meal for the innovative mixed solar cooker is $0.034 per meal. |
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Keywords: | economic analysis energy and exergy evacuated tube absorber experimental test linear Fresnel collector mixed solar cooker solar energy |
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