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Parametric study of photovoltaic/thermal wickless heat pipe solar collector
Energy Conversion and Management ( IF 9.9 ) Pub Date : 2021-05-07 , DOI: 10.1016/j.enconman.2021.114236
Taoufik Brahim , Abdelmajid Jemni

Wickless heat pipes are an effective passive heat transfer device that, due to their improved heat transfer capabilities, can enhance photovoltaic system efficiency. A new photovoltaic-thermal acetone wickless heat pipe solar panel (PVT/WHP) is described in this study. The main parameters affecting the thermal and electrical efficiency of the solar panel, such as wind velocity, incident radiation, water inlet temperature, heat pipe number, and collector surface area, as well as inner heat pipe behavior and operating limits, are studied using a mathematical model. According to the reduced temperature simulation results, the theoretical PVT/WHP module's average electrical, thermal, and overall efficiency were approximately 12.52%, 43.75%, and 56.27%, respectively. The study is being used to assess the thermal efficiency of PVT/WHP under Tunisian climatic conditions, and the simulation results show that PVT/WHP outperforms conventional PVT water-based systems with a maximum thermal and electrical efficiency gain of approximately 21.9% and 14.2% respectively. The current parametric study provided a framework for assessing such a system's behavior and providing useful flexibility to achieve the best possible system performance.



中文翻译:

光伏/热芯吸热管太阳能集热器的参数研究

无芯热管是一种有效的被动式传热设备,由于其改进的传热能力,可以提高光伏系统的效率。在这项研究中描述了一种新的光伏热丙酮无芯热管太阳能电池板(PVT / WHP)。利用数学模型。根据降低的温度模拟结果,理论上的PVT / WHP模块的平均电效率,热效率和总体效率分别约为12.52%,43.75%和56.27%。该研究用于评估突尼斯气候条件下的PVT / WHP的热效率,仿真结果表明,PVT / WHP优于传统的PVT水性系统,其最大热电效率分别提高了约21.9%和14.2%分别。当前的参数研究提供了一个框架,用于评估此类系统的行为并提供有用的灵活性,以实现最佳的系统性能。

更新日期:2021-05-07
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