Solar radiation data for Beer Sheva, Israel |
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Authors: | A.I. Kudish D. Wolf Y. Machlav |
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Affiliation: | Solar Energy Laboratory, Department of Chemical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel |
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Abstract: | A number of years of data on the global irradiation incident on a horizontal surface in Beer Sheva, Israel (lat. = 31°15′N, long. = 34°48′E, elevation 240 m) have been correlated. It is apparent from these data that this locale possesses a relatively high abundance of sunshine. The average cumulative annual irradiation is 6722MJ/m2 and the average daily irradiation is 18.43 MJ/m2. The percentage frequency of days possessing irradiation rates greater than 20 MJ/m2 is 46 per cent, whereas that possessing less than 10 MJ/m2d is 11.9 per cent. The percentage frequency of cloudy days (KT < 0.34) is low, 7.5 per cent, whereas that for clear days (KT > 0.65) is 29.2 per cent. |
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