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Exergy of solar radiation

Author

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  • Stephan Kabelac

Abstract

Solar radiation reaching the ground is accompanied with radiation entropy. When the entropy production rate within any solar energy conversion device is to be calculated, the incoming radiation entropy flux has to be known. In this contribution, first it is shown how the radiation entropy flux arriving on earth is to be calculated. Secondly, the interaction between the incoming radiation and the receiver surface is identified as one entropy production source. An approach for a reversible radiation conversion device is proposed. Maximum conversion efficiencies for non-concentrating solar energy converters are found to be between 50–77% of the incoming radiation energy, depending on atmospheric conditions.

Suggested Citation

  • Stephan Kabelac, 2005. "Exergy of solar radiation," International Journal of Energy Technology and Policy, Inderscience Enterprises Ltd, vol. 3(1/2), pages 115-122.
    • Handle: RePEc:ids:ijetpo:v:3:y:2005:i:1/2:p:115-122
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    Cited by:

    1. Ranjan, K.R. & Kaushik, S.C., 2014. "Thermodynamic and economic feasibility of solar ponds for various thermal applications: A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 123-139.
    2. Ranjan, K.R. & Kaushik, S.C., 2013. "Energy, exergy and thermo-economic analysis of solar distillation systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 27(C), pages 709-723.
    3. Hepbasli, Arif & Alsuhaibani, Zeyad, 2011. "A key review on present status and future directions of solar energy studies and applications in Saudi Arabia," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(9), pages 5021-5050.

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