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Empirical Models for Solar Radiation Estimation by Some Weather Data for Baghdad City | ||
| Al-Mustansiriyah Journal of Science | ||
| Article 1, Volume 22, Issue 2, 2011, Pages 177-184 | ||
| Author | ||
| Enas A. Habbib | ||
| Abstract | ||
| The aim of this research is to developing equations to predict the relationship between global solar radiations with one or more combinations of the following weather parameters: clearness index, mean of daily temperature, ratio of maximum and minimum daily temperature, relative humidity and relative sunshine duration for Baghdad city for 22 years (1984- 2005). data of solar radiation and surface parameters were obtained from Meteorology NASA website. Using Angstrom model as a base, other equations regression were developed by modifying Angstrom formula. The correlation coefficient (r) and Root Mean Square Error (RMSE), Mean Bias Error (MBE) and Mean Absolute Bias Error (MABE) and Mean Percentage Error (MPE) Mean Absolute Percentage Error (MAPE) values were determined for each equation. | ||
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