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, Jaber E. Abu Qudeiri

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

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.

Original languageEnglish
Article number6136
JournalSustainability (Switzerland)
Volume15
Issue number7
DOIs
Publication statusPublished - Apr 2023

Keywords

  • electrical
  • electrical thermal efficiency
  • nanofluid
  • photovoltaic thermal collector

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Environmental Science (miscellaneous)
  • Geography, Planning and Development
  • Energy Engineering and Power Technology
  • Hardware and Architecture
  • Management, Monitoring, Policy and Law
  • Computer Networks and Communications
  • Renewable Energy, Sustainability and the Environment

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