Contribution to the study of solar radiation in Abu Dhabi |
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| Affiliation: | 1. Laboratory of Atmospheric Physics, Physics Department, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;2. Laboratory of Atmospheric Pollution and Pollution Control Engineering of Atmospheric Pollutants, Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece;3. Department of Meteorology and Climatology, School of Geology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;4. Multiphase Chemistry Department, Max Planck Institute for Chemistry, D-55128 Mainz, Germany;5. Energy, Environment and Water Research Center, The Cyprus Institute, Nicosia, Cyprus;6. Instituto Pirenaico de Ecología, Consejo Superior de Investigaciones Científicas (IPE-CSIC), Zaragoza, Spain;7. German Meteorological Service, Offenbach, Germany |
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| Abstract: | Measurements of global solar radiation for 10 yr in Abu Dhabi are used to examine the suitability of a method of prediction of global solar radiation. It shows a good degree of accuracy. A correlation between the clearness index, H/H0, and the fraction of maximum possible number of sunshine hours is obtained and found to be H/H0 = 0.307 + 0.312n/N. The diffuse solar radiation is predicted by two methods which show almost similar results. Correlation between the diffuse solar radiation as a fraction of the global radiation, Hd/H, and the fraction possible number of sunshine hours, n/N, is established using both methods, for comparison sake, since measurements of diffuse solar radiation are not available. The comparison shows a good agreement between the two correlations. The relation between the diffuse solar radiation as a fraction of the global radiation Hd/H, and the clearness index, H/H0, is established and compared with those obtained elsewhere in order to justify their use, since direct measurements are not available. The relation shows a latitude dependency. |
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