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An exergy based unified test protocol for solar cookers of different geometries

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  • Kumar, Naveen
  • Vishwanath, G.
  • Gupta, Anurag

Abstract

It is beneficial for the consumer to have solar cookers of various varieties in terms of geometrical designs, performance and price but it is also a challenge to develop a uniform test standard for evaluating the thermal performance of the cookers irrespective of their geometrical construction. In this paper, four exergy based parameters, are proposed for solar cookers of different topological design, as their thermal performance indicators. To this end, graphs between exergy output power and temperature difference are plotted, and they resemble a parabolic curve for each design. The peak exergy (vertex of the parabola), can be accepted as a measure of devices’ fuel ratings. The ratio of the peak exergy power gained to the exergy power lost at that instant of time can be considered as the quality factor of the solar cooker. Besides, the exergy power lost is found to vary linearly with temperature difference irrespective of the topology of the device and the slope of the straight line obtained through curve fitting represents the heat loss coefficient of the cooker. The proposed parameters can lead to development of unified test protocol for solar cookers of diversified designs.

Suggested Citation

  • Kumar, Naveen & Vishwanath, G. & Gupta, Anurag, 2012. "An exergy based unified test protocol for solar cookers of different geometries," Renewable Energy, Elsevier, vol. 44(C), pages 457-462.
    • Handle: RePEc:eee:renene:v:44:y:2012:i:c:p:457-462
    DOI: 10.1016/j.renene.2012.01.085
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    References listed on IDEAS

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    1. El-Kassaby, M.M., 1991. "New solar cooker of parabolic square dish: Design and simulation," Renewable Energy, Elsevier, vol. 1(1), pages 59-65.
    2. Arenas, José M., 2007. "Design, development and testing of a portable parabolic solar kitchen," Renewable Energy, Elsevier, vol. 32(2), pages 257-266.
    3. Fernández-García, A. & Zarza, E. & Valenzuela, L. & Pérez, M., 2010. "Parabolic-trough solar collectors and their applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(7), pages 1695-1721, September.
    4. El-Sebaii, A.A. & Ibrahim, A., 2005. "Experimental testing of a box-type solar cooker using the standard procedure of cooking power," Renewable Energy, Elsevier, vol. 30(12), pages 1861-1871.
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    Cited by:

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    2. Farooqui, Suhail Zaki, 2015. "Impact of load variation on the energy and exergy efficiencies of a single vacuum tube based solar cooker," Renewable Energy, Elsevier, vol. 77(C), pages 152-158.
    3. Ashmore Mawire & Sibongiseni M. Simelane & Patrick O. Abedigamba, 2021. "Energetic and exergetic performance comparison of three solar cookers for developing countries," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(10), pages 14528-14555, October.
    4. Indora, Sunil & Kandpal, Tara C., 2018. "Institutional cooking with solar energy: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 84(C), pages 131-154.
    5. Herez, Amal & Ramadan, Mohamad & Khaled, Mahmoud, 2018. "Review on solar cooker systems: Economic and environmental study for different Lebanese scenarios," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 421-432.
    6. Farooqui, Suhail Zaki, 2014. "A review of vacuum tube based solar cookers with the experimental determination of energy and exergy efficiencies of a single vacuum tube based prototype," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 439-445.
    7. Park, S.R. & Pandey, A.K. & Tyagi, V.V. & Tyagi, S.K., 2014. "Energy and exergy analysis of typical renewable energy systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 30(C), pages 105-123.
    8. Aramesh, Mohamad & Ghalebani, Mehdi & Kasaeian, Alibakhsh & Zamani, Hosein & Lorenzini, Giulio & Mahian, Omid & Wongwises, Somchai, 2019. "A review of recent advances in solar cooking technology," Renewable Energy, Elsevier, vol. 140(C), pages 419-435.
    9. Koshti, Bhupendra & Dev, Rahul & Bharti, Ajaya & Narayan, Audhesh, 2023. "Comparative performance evaluation of modified solar cookers for subtropical climate conditions," Renewable Energy, Elsevier, vol. 209(C), pages 505-515.

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