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Estimation of the diffuse solar irradiation from global solar irradiation. Daily and monthly average daily values

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  • Martinez-Lozano, J.A.
  • Utrillas, M.P.
  • Gomez, V.

Abstract

Data sets of total and direct solar irradiation at Valencia (Spain) measured during the years 1990–1991 have been used to analyze diverse methods of estimating the daily values and monthly average daily values of the diffuse fraction of solar radiation from the ratio of the total to the extraterrestrial radiation (clearness index kt). In the case of daily values, all the methods described in the bibliography have led to significant deviations concerning the experimental values, with a MAD (mean absolute deviation) close to 20%. For the monthly average daily values, the methods based on the PDF (probability density function) of daily values of kt provide more accurate results than the deterministic methods based on the correlation of monthly average daily values of kt.

Suggested Citation

  • Martinez-Lozano, J.A. & Utrillas, M.P. & Gomez, V., 1994. "Estimation of the diffuse solar irradiation from global solar irradiation. Daily and monthly average daily values," Renewable Energy, Elsevier, vol. 4(1), pages 95-100.
    • Handle: RePEc:eee:renene:v:4:y:1994:i:1:p:95-100
    DOI: 10.1016/0960-1481(94)90069-8
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    Cited by:

    1. Shamshirband, Shahaboddin & Mohammadi, Kasra & Khorasanizadeh, Hossein & Yee, Por Lip & Lee, Malrey & Petković, Dalibor & Zalnezhad, Erfan, 2016. "Estimating the diffuse solar radiation using a coupled support vector machine–wavelet transform model," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 428-435.
    2. Khorasanizadeh, Hossein & Mohammadi, Kasra, 2016. "Diffuse solar radiation on a horizontal surface: Reviewing and categorizing the empirical models," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 338-362.
    3. Jamil, Basharat & Akhtar, Naiem, 2017. "Comparison of empirical models to estimate monthly mean diffuse solar radiation from measured data: Case study for humid-subtropical climatic region of India," Renewable and Sustainable Energy Reviews, Elsevier, vol. 77(C), pages 1326-1342.
    4. Lewis, Gladius, 1995. "Estimates of monthly mean daily diffuse irradiation in the Southeastern United States," Renewable Energy, Elsevier, vol. 6(8), pages 983-988.
    5. Ertekin, Can & Yaldız, Osman, 1999. "Estimation of monthly average daily global radiation on horizontal surface for Antalya (Turkey)," Renewable Energy, Elsevier, vol. 17(1), pages 95-102.

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