Analysis of sky luminance experimental data and comparison with calculation methods

V. Ferraro, M. Mele and V. Marinelli

Energy, 2012, vol. 37, issue 1, 287-298

Abstract: Data of sky luminance measured in Osaka (Japan) and in Arcavacata di Rende (Italy) during a year were analysed and compared with the values predicted by the Perez, Igawa and CIE calculation methods. The best predictions of absolute, relative and zenith luminances were obtained by the CIE method. If the measured luminances in a locality are not available, only by the Perez and the Igawa method is possible to predict the sky luminance distribution under different meteorological conditions. Of these two methods, the Igawa method appears to be more accurate for the prediction of the absolute luminance, and the Perez method for the predictions of the relative luminance.

Keywords: Sky luminance; Experimental data; Calculation models (search for similar items in EconPapers)
Date: 2012
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:37:y:2012:i:1:p:287-298

DOI: 10.1016/j.energy.2011.11.031

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