Volume 12, Issue 1 (4-2022)                   JEM 2022, 12(1): 120-129 | Back to browse issues page

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Shahsavar A. Experimental Investigation of Thermal and Electrical Performances of a Nanofluid-cooled Photovoltaic/Thermal System Equipped with a Sheet-and-grooved Serpentine Tube Collector. JEM 2022; 12 (1) :120-129
URL: http://energy.kashanu.ac.ir/article-1-1602-en.html
kermanshah university of technology
Abstract:   (1192 Views)
In this paper, the thermal and electrical performances of a photovoltaic/thermal system equipped with a sheet-and-grooved serpentine tube collector are investigated experimentally. The water-magnetite nanofluid is used as the heat transfer fluid. The effect of nanoparticle volume concentration (0-1%), nanofluid mass flow rate (10-40 kg/h) and groove pitch (0, 5.4 and 8 mm) on the operating parameters of system including photovoltaic panel temperature, thermal efficiency, electrical efficiency, and overall efficiency is examined. All experiments were performed under similar environmental conditions (solar radiation intensity and ambient temperature) using a solar simulator. The results showed that the grooving of the serpentine tube improves the thermal, electrical, and overall performance of the photovoltaic/thermal system. Also, it was observed that the system with 5.4 mm groove pitch has a better thermal, electrical, and overall performance than a system with 8 mm groove pitch. According to the results, the thermal, electrical, and overall efficiencies of the system with a sheet-and-grooved serpentine tube collector of a groove pitch of 5.4 mm vary in the range of 50.89-69.37%, 12.29-12.38% and 69.37-83.47% respectively. Also, the results showed that increasing the nanoparticle concentration and nanofluid mass flow rate leads to an improved thermal, electrical, and overall performance of all three systems studied in the present study.
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Type of Study: Research | Subject: Mechanical Engineering
Received: 2021/02/28 | Revised: 2022/06/15 | Accepted: 2021/04/27 | Published: 2022/03/1

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