Energy performance evaluation of a photovoltaic thermal phase change material (PVT-PCM) using a spiral flow configuration

IF 2.4 Q3 ENERGY & FUELS
Muhammad Syazwan Bin Aziz, A. Ibrahim, Muhammad Amir Aziat Bin Ishak
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引用次数: 0

Abstract

A relatively new technology, a hybrid photovoltaic thermal (PVT) solar collector, allows for producing electrical and thermal energy.  However, the module heats up more when exposed to sunlight thanks to the PVT collector's incorporation, reducing its efficiency.  Consequently, lowering the operating temperature is crucial for maximizing the system's effectiveness.  This research aims to create a photovoltaic thermal phase change material (PVT-PCM) solar collector and evaluate its energy performance through a controlled laboratory environment.  Two different PVT collector designs, one using water and the other using a phase change material (PCM), were evaluated using a spiral flow configuration.  Under a sun simulator, the PVT solar collector was subjected to 400 W/m2, 600 W/m2, and 800 W/m2 of solar irradiation at three different mass flow rates.  The results showed that under 800 W/m2 of solar irradiation and 0.033 kg/s mass flow rate, the collector using water could only reach an overall maximum efficiency of 64.34 %, whereas the PVT-PCM configuration with spiral flow had the maximum performance, with an overall efficiency of 67.63%.
利用螺旋流结构对光伏热相变材料(PVT-PCM)的能量性能进行评价
一种相对较新的技术,一种混合光伏-热(PVT)太阳能收集器,可以产生电能和热能。然而,由于PVT收集器的结合,模块在暴露于阳光下时会更热,从而降低了其效率。因此,降低操作温度对于最大限度地提高系统的有效性至关重要。本研究旨在创建一种光伏热相变材料(PVT-PCM)太阳能收集器,并通过受控的实验室环境评估其能量性能。使用螺旋流配置评估了两种不同的PVT收集器设计,一种使用水,另一种使用相变材料(PCM)。在太阳模拟器下,PVT太阳能收集器在三种不同的质量流量下经受400W/m2、600W/m2和800W/m2的太阳照射。结果表明,在800W/m2的太阳辐射和0.033kg/s的质量流量下,使用水的收集器只能达到64.34%的总体最大效率,而使用螺旋流的PVT-PCM配置具有最大的性能,总体效率为67.63%。
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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来源期刊
CiteScore
4.50
自引率
16.00%
发文量
83
审稿时长
8 weeks
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