Evaluation of the Energy Potential of Solar Radiation in the Rural Centers of Chaharmahal va Bakhtiari Province, Iran

Abbas Ali Arvin, Mehran Heydari Beni


Solar energy plays an effective role in human’s life. This study aims to determine the energy potential of solar radiation in Chaharmahal va Bakhtiari Province. The radiation and climate survey data gathered in a daily scale were used to determine the radiation estimate model and nd the amount of radiation in Chaharmahal va Bakhtiari Province. The amount of radiation at 13 stations was estimated using experimental models and statistical relationships of radiation with other elements of climate. The reliability of models and the accuracy of the estimated values were con rmed by using the mean bias error and root mean square errors and the correlation between the predicted and observed values. Radiation estimates that used Angstrom models based on the lighting coef cient had more credibility in estimating the amount of radiation in the no-radiometer station. The study of the correlation coef cient between estimated radiation and radiation measurement also showed that in stations which lighting coef cient is used to estimate the amount of radiation, the correlation coef cient was stronger and more meaningful than that of other stations used, based on other climatic parameters such as cloudiness, humidity and temperature.

Key words: Chaharmahal and Bakhtiari Province, Solar Radiation, Estimation Model, Lighting Coeficient

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