Exergetic and environment assessment of linear fresnel concentrating photovoltaic systems integrated with a porous-wall mini-channel heat sink: Outdoor experimental tests

Yacheng Wang, Guodong Xia, Wenbin Zhou, Shuai Zhao and Pengsheng Zhao

Energy, 2024, vol. 306, issue C

Abstract: The photovoltaic heat sink integrated systems can effectively control the temperature of solar cells and increase output power. The linear Fresnel concentrator photovoltaic heat sink integrated systems (LFC-PV systems) consists of a solar cell, a porous-wall mini-channel heat sink (MFP-channel) and a linear Fresnel concentrator (LFC) mirror array. Cooling fluid R141b absorbs heat from solar cell back by flow boiling heat transfer. In this work, we tested the system performance outdoors and the collected experimental data were used for energy analysis, exergy analysis and environmental analysis to evaluate the advantages and disadvantages of the integrated system. The experimental data show that the heat dissipation of solar cells by using a porous-wall mini-channel heat sink can not only well control the surface temperature of solar cells between 35 °C and 40 °C, but also increase the output power and exergy, where the output power can reach a maximum of 10.73 W. Therefore, it is recommended to use a porous-wall mini-channel heat sink for the thermal management of the LFC photovoltaic system.

Keywords: Linear fresnel; Photovoltaic cooling; Mini-channel; Metal foam (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:306:y:2024:i:c:s0360544224021431

DOI: 10.1016/j.energy.2024.132369

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