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Title: Adaptive solar radiation numerical model
Authors: Díaz Reyes, Felipe 
Montero García, Gustavo 
Escobar Sánchez, José María 
Rodríguez, Eduardo 
Montenegro Armas, Rafael 
UNESCO Clasification: 1206 Análisis numérico
210601 Energía solar
250121 Simulación numérica
Issue Date: 2011
Abstract: A solar radiation numerical model is presented. With it, the user can estimate the radiation values in any location easily and compute the solar power generation taking into account not only the radiation level, but also the terrain surface conditions considering the cast shadows. The terrain surface is taking into account using 2-D adaptive meshes of triangles [1], which are constructed using a refinement/derefinement procedure in accordance with the variations of terrain surface and albedo. The model can be used in atmospheric sciences as well as in electrical engineering since it allows the user to find the optimal location for the maximum power generation in photovoltaic or solar thermal power exploitaitions. For this purpose, the effect of shadows is considered in each time step. Solar radiation is first computed for clear-sky (CS) conditions [2] and then, real-sky values are computed daily in terms of the CS index. Maps for CS index are obtained from a spatial interpolation of observational data which are available for each day at several points of the studied zone. Finally, the solar radiation maps of a month are calculated from the daily results. The model can be also applied in solar radiation forecasting using a meteorological model. The estimation of daily solar radiation provided by such model is used to adjust the clear sky results and obtain the real sky radiation.
Source: Proceedings de la 3rd International Conference on Computational Methods in Engineering and Science. -- South Lake Tahoe, USA, FEMTEC, 2011. --9-13 de mayo de 2011.
Rights: by-nc-nd
Appears in Collections:Actas de congresos
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