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An Experimental Study on the Energy and Exergy Performance of an Air-Type PVT Collector with Perforated Baffle

Author

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  • Jin-Hee Kim

    (Green Energy Technology Research Center, Kongju National University, Cheonan 31080, Korea)

  • Ji-Suk Yu

    (Zero Energy Building Laboratory, Graduate School of Energy Systems Engineering, Kongju National University, Cheonan 31080, Korea)

  • Jun-Tae Kim

    (Department of Architectural Engineering, Kongju National University, Cheonan 31080, Korea)

Abstract

BIPV (Building Integrated Photovoltaic) system is a building envelope technology that generates energy by converting solar energy into electricity. However, after producing electrical energy, the remaining solar energy is transferred as heat, raising the temperature at the rear of the BIPV module, and reducing electrical efficiency. On the other hand, a PVT (Photovoltaic Thermal) collector is a device that generates electricity from a PV module and at the same time uses the heat transferred to the air layer inside the collector. In general, the performance of air-type PVT collectors is based on energy analysis using the first law of thermodynamics. Since this performance does not take into account the loss amount, it is not the actual amount of power generation and preheat of the collector that can be used. Therefore, an exergy analysis based on the second law of thermodynamics considering the amount of energy loss must be performed. In this paper, an air-type PVT collector to which perforated baffles were applied was tested through outdoor experiments based on ISO 9806 standard. The total energy (thermal and electrical characteristics) and exergy according to the flow rate (100, 150, and 200 m 3 /h), solar radiation, and rear temperature of the PV module of the air-type PVT collector were analyzed. As a result, the total exergy efficiency of the air-type PVT collector with perforated baffles was 24.8–30.5% when the total energy efficiency was 44.1–63.3%.

Suggested Citation

  • Jin-Hee Kim & Ji-Suk Yu & Jun-Tae Kim, 2021. "An Experimental Study on the Energy and Exergy Performance of an Air-Type PVT Collector with Perforated Baffle," Energies, MDPI, vol. 14(10), pages 1-13, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2919-:d:557000
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    References listed on IDEAS

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    Cited by:

    1. Monjur Mourshed & Nahid Imtiaz Masuk & Huy Quoc Nguyen & Bahman Shabani, 2022. "An Experimental Approach to Energy and Exergy Analyses of a Hybrid PV/T System with Simultaneous Water and Air Cooling," Energies, MDPI, vol. 15(18), pages 1-17, September.
    2. Jin-Hee Kim & Ji-Suk Yu & Erin Gaucher-Loksts & Benjamin Roy & Véronique Delisle & Jun-Tae Kim, 2022. "Performance Assessment of an Air-Type BIPVT Collector with Perforated Baffles through Indoor and Outdoor Experiments," Energies, MDPI, vol. 15(10), pages 1-24, May.
    3. Ewa Raj & Katarzyna Znajdek & Mateusz Dionizy & Przemysław Czarnecki & Przemysław Niedzielski & Łukasz Ruta & Zbigniew Lisik, 2022. "Artificial Sun—A Stand to Test New PVT Minimodules," Energies, MDPI, vol. 15(9), pages 1-11, May.
    4. Senthilarasu Sundaram & Manosh C. Paul & Yasser Mahmoudi, 2022. "Research on Hybrid Solar Photovoltaic/Thermal (PV/T) System," Energies, MDPI, vol. 15(3), pages 1-3, January.

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