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Computational fluid dynamics analysis of water spray cooling for photovoltaic panels

机译：光伏板喷水冷却的计算流体动力学分析

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This paper provides a brief overview of cooling strategies for decreasing the operating temperature of photovoltaic (PV) panels. Temperatures of PV panels during operation can reach up to 60 °C, thus decreasing the operating efficiency at rates up to 0.5 %/°C. The paper describes different cooling strategies with emphasis on active cooling of PV panels via water spraying, since this method is beneficial due to (i) cleaning effect of the surface of the PV panel, (ii) decreasing the operating temperature significantly and (iii) lowering the refraction index, thus minimizing the amount of infrared radiation absorbed by the PV cell. Computational fluid dynamics (CFD) model is developed to study the heat and mass transfer during regular operation of the PV cell without cooling and during operation with water spray cooling, and the results are compared with experimentally obtained data with good agreement. The guidelines for future study are outlined.
机译：本文简要概述了用于降低光伏（PV）面板工作温度的冷却策略。 PV面板在运行过程中的温度可能高达60°C，从而以最高0.5％/°C的速率降低了运行效率。本文介绍了不同的冷却策略，重点是通过喷水对PV面板进行主动冷却，因为该方法的有益效果是（i）PV面板表面的清洁效果，（ii）显着降低工作温度，以及（iii）降低折射率，从而最小化PV电池吸收的红外辐射量。建立了计算流体动力学（CFD）模型，以研究无冷却的PV电池正常运行期间以及喷水冷却运行期间的传热和传质，并将结果与​​实验获得的数据进行比较，从而取得了很好的一致性。概述了未来研究的指南。

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