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Analysis of Solar Energy Utilization Effect of Air-Based Photovoltaic/Thermal System

Author

Listed:
  • Youngjin Choi

    (Department of Architectural Engineering, Kyonggi University, Suwon 16227, Korea)

  • Hyun Bae Kim

    (Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan)

Abstract

Recently, the use of new and renewable energy sources to reduce carbon dioxide emissions and minimize global warming has attracted attention. Among the different renewable energy sources, solar energy is utilized for energy reduction in buildings because of its ease of use and excellent maintenance and repair. In this study, an air-based photovoltaic/thermal (PVT) system that improves solar energy utilization was developed, and its performance was experimentally compared with that of the existing photovoltaic (PV) system. The PVT system could increase the amount of generated power by decreasing the panel temperature raised by the air passing through the lower part of the panel. Moreover, it was possible to use the high-temperature air collected from the panel for heating or hot-water supply in the building. Based on the experimental results obtained for the PV and PVT panels subjected to the same weather conditions, the power generation efficiency of the PVT panel through which air was passed increased by approximately 10.1% compared to that of the PV panel. In addition, a heat collection efficiency of approximately 46.6% was generated by the temperature increase of the air passing through the PVT panel.

Suggested Citation

  • Youngjin Choi & Hyun Bae Kim, 2021. "Analysis of Solar Energy Utilization Effect of Air-Based Photovoltaic/Thermal System," Energies, MDPI, vol. 14(24), pages 1-11, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8586-:d:706819
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    References listed on IDEAS

    as
    1. Maraj, Altin & Londo, Andonaq & Gebremedhin, Alemayehu & Firat, Coskun, 2019. "Energy performance analysis of a forced circulation solar water heating system equipped with a heat pipe evacuated tube collector under the Mediterranean climate conditions," Renewable Energy, Elsevier, vol. 140(C), pages 874-883.
    2. Hossain, M.S. & Saidur, R. & Fayaz, H. & Rahim, N.A. & Islam, M.R. & Ahamed, J.U. & Rahman, M.M., 2011. "Review on solar water heater collector and thermal energy performance of circulating pipe," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(8), pages 3801-3812.
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    Cited by:

    1. Youngjin Choi, 2022. "Seasonal Performance Evaluation of Air-Based Solar Photovoltaic/Thermal Hybrid System," Energies, MDPI, vol. 15(13), pages 1-16, June.

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