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Design and performance evaluation of solar cookers for developing countries: The case of Mutoyi, Burundi
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
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2017 (English)In: International journal of energy research (Print), ISSN 0363-907X, E-ISSN 1099-114X, Vol. 41, no 14, p. 2206-2220Article in journal (Refereed) Published
Abstract [en]

Here, we propose an approach for supporting the design and performance evaluation phase of solar cooking technologies, to assess their eventual appropriateness for remote rural contexts, before proposing them for local field tests. The approach is based on (1) local context description and analysis, (2) design and construction of the solar cookers, and (3) thermodynamic performance evaluation. We used the approach to analyse 3 cookers for the area of Mutoyi, Burundi: a parabolic, a panel, and a box cooker. From phases 1 and 2, only panel and box cookers emerged as the technically viable solutions: They were sized, optimized, built, and tested. In phase 3, the thermodynamic evaluation indicated that the box cooker is inappropriate, since water does not reach high enough temperature. Instead, the panel cooker shows a Standardized Cooking Power of 46.85W and a stagnation temperature higher than 75 degrees C, which is able to bring the water to the boil when the environmental temperature is higher than 25 degrees C. The thermal efficiency of the cooker resulted equal to 8.13%, while the mean integral temperature T-m remained around 60 degrees C for all the lab test replicates, higher than the minimum internal temperature to cook legumes. The results of the procedure applied to the case study indicate that the panel cooker can be proposed for local field tests with local food and cooking practices, for assessing its final appropriateness on the field.

Place, publisher, year, edition, pages
WILEY , 2017. Vol. 41, no 14, p. 2206-2220
Keywords [en]
appropriate technology, Burundi, laboratory test, solar cookers, thermodynamic performance
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-217423DOI: 10.1002/er.3783ISI: 000413319600020Scopus ID: 2-s2.0-85021716361OAI: oai:DiVA.org:kth-217423DiVA, id: diva2:1158181
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QC 20171117

Available from: 2017-11-17 Created: 2017-11-17 Last updated: 2017-11-17Bibliographically approved

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Gardumi, Francesco

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  • apa
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