Parametric study of a novel air-based photovoltaic-thermal collector with a transverse triangular-shaped block

Hwiung Choi and Kwanghwan Choi

Renewable Energy, 2022, vol. 201, issue P1, 96-110

Abstract: This study discusses the effects of various parameters on the energy output and efficiency of a novel air-based photovoltaic-thermal collector with a transverse triangular-shaped block using numerical analysis. The transverse triangular-shaped block, designed by the authors, enhances heat transfer in the collector by accelerating the air velocity and mixing hot and relatively cold air in an air duct. Using energy balance equations, a mathematical model for the collector with a transverse triangular-shaped block was developed and validated with experimental data obtained from a previous study. The selected parameters were height, air mass flow rate, length, solar intensity, and wind velocity. The highest energy output was achieved at a height of 0.03 m for a solar intensity of 1000 W/m2 and an air mass flow rate of 0.13 kg/s. This study also compared the daily energy output of a previously experimented photovoltaic-thermal collector with that of a collector at a height of 0.03 m. The results showed that daily thermal, electrical, and thermally equivalent net energy outputs were increased by 36.97%, 2.59%, and 8.64%, respectively, and confirmed that the proper selection of design and operating parameters can provide improved performance of the collector.

Keywords: Photovoltaic-thermal collector; Solar energy; Energy efficiency; Mathematical modeling; Parametric study (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:201:y:2022:i:p1:p:96-110

DOI: 10.1016/j.renene.2022.10.056

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