Predictions of solar radiation distribution: Global, direct and diffuse light on horizontal surface Foued Chabane, Noureddine Moummi and Abdelhafid Brima Eur. Phys. J. Plus, 131 4 (2016) 106 Published online: 21 April 2016 DOI: 10.1140/epjp/i2016-16106-7