Electrical Efficiency Investigation on Photovoltaic Thermal Collector with Two Different Coolants

Emad Abouel Nasr, Haitham A. Mahmoud, Mohammed A. El-Meligy, Emad Mahrous Awwad, Sachin Salunkhe, Vishal Naranje, R. Swarnalatha and Jaber E. Abu Qudeiri ()
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Emad Abouel Nasr: Industrial Engineering Department, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia
Haitham A. Mahmoud: Industrial Engineering Department, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia
Mohammed A. El-Meligy: Industrial Engineering Department, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia
Emad Mahrous Awwad: Electrical Engineering Department, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia
Sachin Salunkhe: Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology, Chennai 600062, India
Vishal Naranje: Mechanical Engineering Department, Amity University, Dubai P.O. Box 345019, United Arab Emirates
R. Swarnalatha: Electrical & Electronics Engineering Department, Birla Institute of Technology & Science, Pilani, Dubai Campus, Dubai P.O. Box 345055, United Arab Emirates
Jaber E. Abu Qudeiri: Mechanical Engineering Department, College of Engineering, United Arab Emirates University, Alain P.O. Box 15551, United Arab Emirates

Sustainability, 2023, vol. 15, issue 7, 1-14

Abstract: The design and development of a photovoltaic thermal (PVT) collector were developed in this study, and electrical and electrical thermal efficiency were assessed. To improve system performance, two types of coolants were employed, liquid and liquid-based MnO nanofluid. Flow rates ranging from 1 to 4 liters per minute (LPM) for the interval of 1.0 LPM were employed, together with a 0.1% concentration of manganese oxide (MnO) nanofluid. Various parametric investigations, including electrical power generation, glazing surface temperature, electrical efficiency, and electrical thermal efficiency, were carried out on testing days, which were clear and sunny. Outdoor studies for the aforementioned nanofluids and liquids were carried out at volume flow rates ranging from 1 to 4 LPM, which can be compared for reference to a freestanding PV system. The research of two efficiency levels, electrical and electrical thermal, revealed that MnO water nanofluid provides better photovoltaic energy conversion than water nanofluid and stand-alone PV systems. In this study, three different domains were examined: stand-alone PV, liquid-based PVT collector, and liquid-based MnO nanofluids. The stand-alone PV system achieved a lower performance, the liquid-based MnO performed better, and the liquid-based PVT achieved an intermediate level.

Keywords: photovoltaic thermal collector; nanofluid; electrical; electrical thermal efficiency (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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