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Cooling optimization for concentrating photovoltaic modules: A study of convective and radiative cooling with a focus on plate fin applications

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  • Değirmenci, Deniz
  • Çubuk, Ertuğrul
  • Tarı, İlker
  • Selimoğlu, Özgür

Abstract

This study investigates a passive cooling system for horizontal concentrating (Hor-Con) photovoltaic (PV) modules. Maintaining operating temperatures within an optimal range is crucial for efficiency, as in concentrating photovoltaics (CPV). Unlike traditional CPV systems where cooling elements such as fins are positioned at the back of the solar panel, this design extends plate fins toward the front, preventing hot air accumulation and enhancing cooling. Its simplicity and compatibility with the Hor-Con PV’s linear concentration ensure seamless integration. The primary goal is to keep cell temperatures below 70 ∘C under high irradiation. Key findings show that increasing the fin height enhances heat dissipation, while wind speed strongly influences cooling. With a wind speed of 1 ms−1, operational temperatures are reduced by 10–15 ∘C, and an increase to 3.6 ms−1 yields an additional 5–10 ∘C reduction. The mean thermal efficiency for the extended fins is 58.9% (10 cm), 63.3% (12 cm), and 66.1% (14 cm), with all configurations maintaining temperatures below the threshold. The findings confirm that Hor-Con PV systems with proposed plate fins could maintain reliable operation under high-irradiation conditions, while also demonstrating measurable efficiency gains.

Suggested Citation

  • Değirmenci, Deniz & Çubuk, Ertuğrul & Tarı, İlker & Selimoğlu, Özgür, 2025. "Cooling optimization for concentrating photovoltaic modules: A study of convective and radiative cooling with a focus on plate fin applications," Renewable Energy, Elsevier, vol. 247(C).
    • Handle: RePEc:eee:renene:v:247:y:2025:i:c:s0960148125006159
    DOI: 10.1016/j.renene.2025.122953
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    References listed on IDEAS

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    1. Badr, Farouk & Radwan, Ali & Ahmed, Mahmoud & Hamed, Ahmed M., 2022. "An experimental study of the concentrator photovoltaic/thermoelectric generator performance using different passive cooling methods," Renewable Energy, Elsevier, vol. 185(C), pages 1078-1094.
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