Torres, J.L.; De Blas, M.; García, A.; de Francisco, A. - In: Renewable Energy 35 (2010) 6, pp. 1325-1332
This work presents a comparison among seventeen different proposals for estimating the hourly diffuse fraction of irradiance. Twelve of them are polynomial correlations of different orders, two are based on a logistic function and the three last ones consider the diffuse irradiance values in the...