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Study of Spatial Variation of Total Solar Radiation Falling on Horizontal Surface in Iraq | ||
| Rafidain Journal of Science | ||
| Article 10, Volume 22, Issue 8, 2011, Pages 119-134 PDF (0 K) | ||
| DOI: 10.33899/rjs.2011.6794 | ||
| Authors | ||
| Shaima H. Darweesh; Waleed I. Al-Rijabo | ||
| Abstract | ||
| Due to lack of studies concerning the spatial variation of total solar radiation falling on horizontal surface in Iraq , this give an importance to perform this research. A mathematical model was found in this study to estimate global solar radiation on plane surface as a function of relative humidity, mean air temperature and sun shine ratio, the model give a high accuracy on application . Figures concerning the spatial variation of total solar radiation were found during the winter, spring, summer and autum months by using 17 meteorological stations spread over the whole Iraq . Mean monthly values of total solar radiation over Iraq were in the range of (2307, 6842) W.d/m² during the months of the year . Annual spatial variation of total radiation in Iraq show a gradually increase of total solar radiation from the north toward the south of Iraq. | ||
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