Torres, J.L.; García, A.; De Blas, M.; De Francisco, A. - In: Renewable Energy 33 (2008) 1, pp. 149-154
The present technical note describes a computer tool for determining the horizon brightness diffuse irradiance on a tilted plane in the model of Perez. The applied procedure considers the configuration factor concept, which is calculated using the unit-sphere method. The results obtained with...