دراسة أداء النماذج الكهروضوئية مع نظام تبريد السطح الخلفي

Journal of Engineering and Sustainable Development Pub Date : 2024-05-01 DOI:10.31272/jeasd.28.3.1

Ahmed Aljumaili, Yaser Alaiwi, Zainab Al-khafaji

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Abstract

This research aims to improve thermal performance and compare the performance of two common crystalline PV panel types (Mono and poly). Modules with a back-cooling system were designed and numerically analyzed with SolidWorks and ANSYS-Fluent-2021-R2 for the simulation under Baghdad weather at noon. The cooling system used consists of a phase-change material, paraffin wax (RT55), with a thickness of 5 cm and a heatsink with 33 fins with heights of 10, 20, and 30 mm and thicknesses of 2, 4, and 6 mm. to select the best height of the wax 1, 3, 5, 10, 20 cm examined. The result showed that for polycrystals, the panel temperature was reduced by 8.4°C using PCM and 11.9°C using PCM-fins. Also, output power was enhanced to 200.6 W by 10.2 W, and efficiency improved by 5%. Similarly, using PCM and PCM-fins lowered the temperature of the monocrystalline by 8.3 and 12.5°C, respectively. Therefore, the output power is enhanced to 202.4 W by 10.7 W and improves the electrical efficiency by 5.2%. The results of the study showed that mono had better performance than poly. This result is acceptable and is in good agreement with previous studies.

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研究带有背面冷却系统的光伏组件的性能

本研究旨在提高热性能，并比较两种常见晶体光伏电池板（单晶和多晶）的性能。使用 SolidWorks 和 ANSYS-Fluent-2021-R2 对带有后冷却系统的模块进行了设计和数值分析，以模拟巴格达正午天气。所使用的冷却系统包括厚度为 5 厘米的相变材料石蜡（RT55）和带有 33 片翅片的散热器，翅片高度为 10、20 和 30 毫米，厚度为 2、4 和 6 毫米。结果表明，对于多晶体，使用 PCM 可使面板温度降低 8.4°C，使用 PCM 散热片可使面板温度降低 11.9°C。此外，输出功率提高了 10.2 瓦，达到 200.6 瓦，效率提高了 5%。同样，使用 PCM 和 PCM-fins，单晶的温度分别降低了 8.3°C 和 12.5°C。因此，输出功率在 202.4 W 的基础上提高了 10.7 W，电气效率提高了 5.2%。研究结果表明，单晶硅的性能优于多晶硅。这一结果是可以接受的，并且与之前的研究结果十分吻合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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