5 resultados para ALBEDO
em Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España
Resumo:
Programa de doctorado: Sistemas Inteligentes y Aplicaciones Numéricas en la Ingeniería.
Resumo:
[EN]A numerical model for the evaluation of solar radiation in different locations is presented. The solar radiation model is implemented taking into account the terrain surface using two-dimensional adaptive meshes of triangles that are constructed using a refinement/derefinement procedure in accordance with the variations of terrain surface and albedo. The selected methodology defines the terrain characteristics with a minimum number of points so that the computational cost is reduced for a given accuracy. The model can be used in atmospheric sciences as well as in other fields such as electrical engineering, since it allows the user to find the optimal location for maximum power generation in photovoltaic or solar thermal power plants...
Resumo:
[EN]A solar radiation numerical model is presented. It is intented to be useful for different purposes like the evaluation of the suitability of possible locations for solar power stations. This model allows the user to evaluate the radiation values in any location easily, and estimate the solar power generation taking into account not only the radiation level, but also the terrain surface conditions considering the cast shadows. The solar radiation model is implemented taking into account the terrain surface using 2-D adaptive meshes of triangles, which are constructed using a refinement/derefinement procedure in accordance with the variations of terrain surface and albedo...
Resumo:
[EN]Se propone un modelo de radiación solar adaptativo como una nueva herramienta para la generación de mapas de radiación solar. Este introduce mejoras a los modelos existentes como la adaptación de la malla a la orografía y al albedo. Esta estrategia adaptativa nos permite generar un código eficiente que reduce el coste computacional para una precisión dada. La radiación global es obtenida como suma de sus tres componentes, la directa, la difusa y la reflejada, sobre una región de estudio bajo condiciones de cielo limpio. En este sentido, las superficies inclinadas tendrán un tratamiento diferente de las horizontales y se tendrá en cuenta el efecto de las zonas en sombra…
Resumo:
[EN]A predictive solar radiation numerical model is presented. Starting from the works of, a solar radiation numerical model is developed considering the terrain surface through 2-D adaptive meshes of triangles which are constructed using a refinement/derefinement procedure in accordance with the variations of terrain surface and albedo. The effect of shadows is considered in each time step. Solar radiation is first computed for clear-sky (CS) conditions and then, real-sky values are computed daily in terms of the CS index computed using all the observational data which are available for each day at several points of the studied zone…