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- Title
DEVELOPMENT OF SOLAR BAKING OVEN WITH SENSIBLE HEAT STORAGE.
- Authors
AJAYI, Arinola Bola; ADISA, Muritala Bamidele; OPENIBO, Adeshola Oluremi; ANIKE, Victor Ugochukwu
- Abstract
This paper presents the design and development of a solar baking oven with sensible heat storage material which is essentially for baking dough and other confectionaries. Bread is one of the staple foods in sub-Saharan Africa after rice. The increase in the prices of loaves of bread sparked the Arab Spring in Tunisia in 2010. Bread is normally baked in a fossil-fuel-fired oven in most cases. Sometimes, electric ovens are used as well but most of the electricity used to power these ovens is from non-renewable energy sources that pollute the environment. Renewable energy sources are abundant in Sub-Saharan Africa, they are clean and they do not pollute the environment. The baking oven was developed to produce a heating effect without the burning of charcoal, firewood, or other fossil fuels thus reducing the carbon footprint of this activity. Baking using non-renewable fossil fuels has its side effects such as high cost of energy, emission of greenhouse gases, and the possibility of choking by the operator resulting from inhaling of smoke. The system is made up of a solar box oven, solar reflector, heat storage, and insulating materials. Design and sizing of the baking oven and solar reflector are provided. Solar energy incidents on the solar reflector and reflected into the oven cavity through the glass which provides the greenhouse effect in preventing convective heat loss, this then leads to the accumulation of heat in the oven chamber which is used in the baking process. A dough of bread of mass 150 g was baked in 3 hours with the highest temperature of 96.75°C achieved in the oven. The oven was able to retain heat over a long period of time due to granite stones incorporated as sensible heat retention materials. Keywords: Solar box oven. Reflector.
- Subjects
SUB-Saharan Africa; TUNISIA; HEAT storage; CHARCOAL; SOLAR reflectors; GREENHOUSE gases; RENEWABLE energy sources; LATENT heat; STOVES
- Publication
Acta Technica Corviniensis - Bulletin of Engineering, 2023, Vol 16, Issue 4, p1
- ISSN
2067-3809
- Publication type
Article