Publication: Estudio de viabilidad de un receptor solar bayoneta exterior
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2016-07
Defense date
2016-07-04
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Abstract
Las centrales termosolares tipo torre se presentan como una alternativa real como
medio de producción de energía eléctrica frente a las centrales convencionales
alimentadas por combustibles fósiles. Dada la comprometida situación en la que se
encuentran los yacimientos de combustibles fósiles, cuya fecha de agotamiento está
cada día más próxima, es especialmente importante aunar esfuerzos en la investigación
y optimización de alternativas como esta.
El presente proyecto pretende optimizar el diseño del receptor de una central
termosolar de alta temperatura tipo torre evaluando la repercusión que sobre el
rendimiento de la central provocan cambios en su número de paneles y diámetros del
sistema de tuberías, en búsqueda de un diseño óptimo cuyo funcionamiento teórico
garantice la mayor seguridad y durabilidad de los distintos componentes que lo
conforman.
Al mismo tiempo, se pretende evaluar un novedoso diseño en el sistema de tuberías
del receptor: los tubos bayoneta. En búsqueda del mejor aprovechamiento de la
radiación concentrada en el receptor se pretende evaluar si este diseño lograría obtener
mejores resultados que los receptores convencionales de tubo sencillo. Para ello, se
desarrollará un modelo matemático que permita comparar los resultados teóricos de
ambos diseños.
Mediante el software de cálculo numérico desarrollado en el presente proyecto se
analizará las limitaciones en el diseño que se han encontrado atendiendo a las
temperaturas máximas de trabajo del fluido calorportador así como la pérdida de carga
que se produce en el sistema de tuberías, teniendo en cuenta el consumo requerido por
el sistema de bombeo que debe compensar dicha caída de presión
Thermo-Solar Power Plants are a reliable alternative to conventional Power Plants fed by fossil fuel as a way of production of electricity. Because of the risky situation that the fossil fuel deposits are at the present, whose date of exhaustion is each day nearer, it is especially important joining efforts in investigation and optimization of alternatives like this one. This Project will try to optimize the design of the receiver of one of a Thermo Solar Power Plant with tower. Moreover, we will evaluate the repercussion in the general performance when we make changes in the number of panels and the diameter of the pipes. The final objective is finding an optimal design whose theoretical performance guarantees the safety and durability of each component of the Plant. At the same time, we will try to evaluate a brand new design in the piping system of the receiver: the usage of bayonet tubes. There are two different possibilities of configuration, this Project will be focused in the external design. Searching the best way of taking advantage of the concentrated radiation that the receiver intercepts, we will evaluate if this design offers better results compared with the common receivers of simple piping. Thanks to the usage of the mathematical computer software developed in this Project we will analyze the limitations on the design that have been found, paying attention in the maximum temperatures of the thermal fluid as well as the pressure that the pump system must provide in each receiver and the consume of this system.
Thermo-Solar Power Plants are a reliable alternative to conventional Power Plants fed by fossil fuel as a way of production of electricity. Because of the risky situation that the fossil fuel deposits are at the present, whose date of exhaustion is each day nearer, it is especially important joining efforts in investigation and optimization of alternatives like this one. This Project will try to optimize the design of the receiver of one of a Thermo Solar Power Plant with tower. Moreover, we will evaluate the repercussion in the general performance when we make changes in the number of panels and the diameter of the pipes. The final objective is finding an optimal design whose theoretical performance guarantees the safety and durability of each component of the Plant. At the same time, we will try to evaluate a brand new design in the piping system of the receiver: the usage of bayonet tubes. There are two different possibilities of configuration, this Project will be focused in the external design. Searching the best way of taking advantage of the concentrated radiation that the receiver intercepts, we will evaluate if this design offers better results compared with the common receivers of simple piping. Thanks to the usage of the mathematical computer software developed in this Project we will analyze the limitations on the design that have been found, paying attention in the maximum temperatures of the thermal fluid as well as the pressure that the pump system must provide in each receiver and the consume of this system.
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Keywords
Centrales termosolares, Energía solar, Energía eléctrica, Receptores solares