In the current study, a newly developed low photovoltaic concentrator (LCPV) equipped with nanofluid‐based cooling channels, directly contacting the rare LCPV, was examined in detail. Nanofluid acts as a coolant that flowing over the back of LCPV to maintain its optimal operating temperature with the best overall performance. The coolants used are water and aluminum oxide (Al₂O₃)/water nanofluids 1%, 2%, and 3% by volume concentration. When circulating a 3%‐Al₂O₃/water nanofluid, the temperature of the LCPV module is dropped by 16.47°C compared to the uncooled module and keeps its operating temperature under 45°C during the experimental tests. This reduction in the LCPV module temperature with V‐trough reflector mirrors in turn increased its performance. The results revealed that the daily electrical output power of the uncooled LCPV module was 1646.85 W, whereas, was 1870.55 W with (13.58%) improvement with the case of water cooling. However, cooling with 3%‐Al₂O₃/water nanofluid, the power output of the LPVC was 2319.88 W with (24.02%) and (40.86%) enhancement compared to pure water cooling and without cooling respectively. The rise in the volume fraction ratio of Al₂O₃ nanoparticles remarkably decreases the operating temperature of the LCPV module and improves both electrical and thermal efficiency.

中文翻译：

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使用纳米流体提高聚光光伏系统的性能

在当前的研究中，详细研究了新开发的配备有基于纳米流体的冷却通道的低光伏聚光器（LCPV），其直接与稀有LCPV接触。纳米流体可作为冷却剂流过LCPV的背面，以保持其最佳工作温度和最佳整体性能。所使用的冷却剂是水和氧化铝（Al ₂ O ₃）/水纳米流体（体积浓度分别为1％，2％和3％）。循环3％‐Al ₂ O _3时/水纳米流体，与未冷却的模块相比，LCPV模块的温度下降了16.47°C，并且在实验测试期间将其工作温度保持在45°C以下。借助V型反光镜降低了LCPV模块温度，从而提高了其性能。结果表明，未冷却的LCPV组件的每日电力输出功率为1646.85 W，而水冷情况则为1870.55 W，提高了（13.58％）。但是，使用3％‐Al ₂ O ₃ /水纳米流体进行冷却，与纯水冷却和不进行冷却相比，LPVC的功率输出为2319.88 W，分别提高了（24.02％）和（40.86％）。Al ₂ O ₃的体积分数比的上升 纳米粒子显着降低了LCPV组件的工作温度，并提高了电效率和热效率。