Improving the performance of solar photovoltaic thermal cells using jet impingement and phase change materials cooling technology

Mays N. Shaeli, Jalal M. Jalil and Mounir Baccar

Renewable Energy, 2024, vol. 227, issue C

Abstract: PV/T is designed to convert solar radiation into electricity energy; however, as the temperature rises, their efficiency decreases. This study evaluates experimentally and numerically the performance of PV/T systems. Two cooling methods were used: air jets for enhanced heat transfer and phase change material (PCM) as an energy storage source. Four cases were compared: case A (with PCM and jet), case B (with PCM, without jet), case C (without PCM, with jet), and case D (no cooling). The results were validated by experimental measurements under a solar simulator and the comparison between the experimental and numerical results is satisfactory. The findings show that case A (with PCM and jet) reduced the PV temperature by 21 °C and improved the electrical efficiency by 7.2 % compared with case D (no cooling). The highest electric and thermal efficiency of the PV/T system reached were 12.94 % and 79.1 % respectively at higher air flow rates in case A (with PCM and jet). The novelty of present study is the combination of jet impingement and phase change material, which can provide high electric and thermal efficiencies and allows 2 h’ work after sunset.

Keywords: Photovoltaic; Phase change material; Jet impingement; Storage energy; CFD (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:227:y:2024:i:c:s0960148124006013

DOI: 10.1016/j.renene.2024.120536

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