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      Determinación de la eficiencia óptica de un colector disco parabólico prototipo Translated title: Optical efficiency determination of a parabolic dish collectorprototype

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          Abstract

          RESUMEN Hoy en día, el desarrollo de la vida humana depende del suministro de energía obtenidaprincipalmente de combustibles fósiles, recurso limitado y de disponibilidad finita. La energía solarpuede satisfacer las necesidades de la población mundial. La energía solar concentrada utiliza superficies espejadas que reflejan y concentran los rayos en un receptor que absorbe la energía solar, transfiriéndola como calor, al fluido que circula en su interior y que puede ser usado en procesos que necesiten energía térmica.La eficiencia del sistema depende de la calidad óptica del espejo concentrador. En este trabajo, se determina la eficiencia óptica (ηop) de un disco parabólico prototipo, mediante un calorímetro que actúa como receptor, obteniéndose un valor ηop=0,71±0,02. Se valida el método aplicando el ensayo de barrido óptico de Hartmann modificado, resultando ηop=0,70±0,02 para el método del factor de intercepción yηop=0,69±0,02 para la simulación óptica.

          Translated abstract

          ABSTRACT Today, the development of human life depends on the supply of energy obtained mainly from fossil fuels. This resource is limited and its availability finite. Solar energy can meet the needs of the global population. Concentrated solar energy uses a mirrored surfaces that reflects and concentrates the rays in a receiver that absorbs the solar energy transferring it as heat to the fluid that circulates inside it and that can be used in processes that need thermal energy.. The efficiency of the system depends on the optical quality of the concentrating mirror. In this paper, the optical efficiency(ηop) of a prototype parabolic disk is determined using a calorimeter, which acts as a receiver, being the value ηop=0,71±0,02. The method is validated by applying a modified Hartmann's optical scanning test, the values wereηop=0,70±0,02 for the of intercept factor method and ηop=0,69±0,02 for the optical simulation.

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          Most cited references21

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          Depletion of fossil fuels and anthropogenic climate change—A review

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            Dish systems for CSP

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              Sunshape distributions for terrestrial solar simulations

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                Author and article information

                Journal
                rie
                Ingeniería Energética
                Energética
                Instituto Superior Politécnico José A. Echeverría.Cujae (La Habana, , Cuba )
                1815-5901
                August 2021
                : 42
                : 2
                : 1-11
                Affiliations
                [2] La Plata orgnameEnergías Alternativas, Tecnología y Desarrollo Sustentable, EnAlTecS orgdiv1Centro de Investigaciones de Codiseño Aplicado, CODAPLI orgdiv2Facultad Regional La Plata, UTN Argentina
                [1] Buenos Aires orgnameUniversidad Nacional de La Plata orgdiv1Laboratorio de Óptica, Calibración y Ensayo Argentina
                Article
                S1815-59012021000200001 S1815-5901(21)04200200001
                e33f1ea7-d516-4693-9b4a-264ba4bdf0b3

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 02 May 2021
                : 02 February 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 21, Pages: 11
                Product

                SciELO Cuba

                Categories
                TRABAJO TEORICOEXPERIMENTAL

                Eficiencia óptica,Thermal power,SHOT,Energía solar térmica,Potencia térmica,Optical efficiency,Thermal solar energy

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