Study of a new concept of photovoltaic–thermal hybrid collector |
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Authors: | YB Assoa C Menezo G Fraisse R Yezou J Brau |
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Affiliation: | aCentre de Thermique de Lyon (CETHIL), UMR 5008/INSA de Lyon/Université Lyon 1, 69621 Villeurbanne, Cedex, France;bLaboratoire Optimisation de la Conception et Ingénierie de l’Environnement (LOCIE), Chambéry, France |
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Abstract: | This work represents the second step of the development of a new concept of photovoltaic/thermal (PV/T) collector. This type of collector combines preheating of the air and the production of hot water in addition to the classical electrical function of the solar cells. The alternate positioning of the thermal solar collector section and the PV section permits the production of water at higher mean temperatures than most of existing hybrid collectors. These higher temperatures will allow the coupling of components such as solar cooling devices during the summer and obviously a direct domestic hot water (DHW) system without the need for additional auxiliary heating systems. In this paper, a simplified steady-state two-dimensional mathematical model of a PV/T bi-fluid (air and water) collector with a metal absorber is developed. Then, a parametric study (numerically and experimentally) is undertaken to determine the effect of various factors such as the water mass flow rate on the solar collector thermal performances. Finally, the results from an experimental test bench and the first simulation results obtained on full scale experiments are compared. |
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Keywords: | Hybrid solar collector Photovoltaic/thermal Air Water Modelling |
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