Análisis numérico de un sistema de calentamiento de agua utilizando un colector solar de placa plana

Contenido principal del artículo

William Quitiaquez http://orcid.org/0000-0001-9430-2082
José Estupiñan-Campos https://orcid.org/0000-0003-2286-5737
C.A. Isaza Roldán https://orcid.org/0000-0002-5902-6411
Fernando Toapanta-Ramos https://orcid.org/0000-0002-0838-4702
Andrés Lobato-Campoverde https://orcid.org/0000-0002-6073-3439

Keywords

colector, energía solar, temperatura, simulación CFD

Resumen

El objetivo de la presente investigación fue realizar un análisis numérico mediante CFD de un colector solar de placa plana; además, se realizó una comparación con resultados experimentales. El fluido de trabajo alcanzó una temperatura máxima de salida de 20.16 °C a las 12:00, el valor de la radiación solar se determinó para las coordenadas geográficas latitud –0.2252 y longitud –77.84; de forma similar, en este horario fue posible obtener una temperatura de la superficie del colector de 27.12 °C, como valor pico. Se determinó el menor rendimiento del dispositivo de transferencia de calor a las 10:00 con un valor de temperatura de salida del agua y temperatura máxima en la superficie del colector de 18.65 y 20.48 °C, respectivamente. Los resultados experimentales mostraron una temperatura máxima de 20.93 °C y una temperatura mínima de19.4 °C, derivando en un error de 4.01 % entre la simulación computacional y los datos experimentales.
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