Ellouz, F.; Masmoudi, M.; Medhioub, K. - In: Renewable Energy 51 (2013) C, pp. 513-517
Direct solar radiation measured with a pyrheliometer installed at the meteorological station of Sidi Bou Said (Northern Tunisia) is used to investigate the atmospheric turbidity using Linke's factor. The obtained results indicate high variability of the diurnal and seasonal components of...