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Ultra low cost solar cookers: design details and field trials in Tanzania

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  • Beaumont, Geoff
  • Eiloart, Time
  • Robinson, Paul

Abstract

A family-sized ultra low cost solar cooker has been developed. The hot box style cooker is designed to be built on site by the users with minimal tools, skills or special materials. It consists of a shallow 1 m2 square hole in the ground, insulated with straw and lined with adobe (mud and straw), a glass or plastic roof, and a 1 m2 aluminised plastic reflector with guy ropes for adjustment. An insulated fabric door allows access to the oven; pots are slid in, onto a metal base plate. The cost is about £8. The cooker has been shown to provide cooked food for 10–12 people on clear days with meals around midday and dusk (assuming 0.4 kg dry weight of food per person daily). A four litre load of water can be brought up to cooking temperature (80°C) in 60–70 min. The adobe linear provides some thermal mass to even out temperature swings in cloudy weather.

Suggested Citation

  • Beaumont, Geoff & Eiloart, Time & Robinson, Paul, 1997. "Ultra low cost solar cookers: design details and field trials in Tanzania," Renewable Energy, Elsevier, vol. 10(4), pages 635-640.
    • Handle: RePEc:eee:renene:v:10:y:1997:i:4:p:635-640
    DOI: 10.1016/S0960-1481(96)00038-9
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    Cited by:

    1. Panwar, N.L. & Kaushik, S.C. & Kothari, Surendra, 2012. "State of the art of solar cooking: An overview," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(6), pages 3776-3785.
    2. Bansal, Mohit & Saini, R.P. & Khatod, D.K., 2013. "Development of cooking sector in rural areas in India—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 17(C), pages 44-53.
    3. Saxena, Abhishek & Varun & Pandey, S.P. & Srivastav, G., 2011. "A thermodynamic review on solar box type cookers," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(6), pages 3301-3318, August.
    4. Cuce, Erdem & Cuce, Pinar Mert, 2013. "A comprehensive review on solar cookers," Applied Energy, Elsevier, vol. 102(C), pages 1399-1421.

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