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Experimental Study on the Heat Pump Performance Combined with Dual-Purpose Solar Collector

Author

Listed:
  • Kwang-Am Moon

    (Graduate School of Refrigeration and Air-Conditioning Engineering, Pukyong National University, Busan 48513, Republic of Korea)

  • Seong-Bhin Kim

    (Graduate School of Refrigeration and Air-Conditioning Engineering, Pukyong National University, Busan 48513, Republic of Korea)

  • Hwi-Ung Choi

    (Department of Refrigeration and Air-Conditioning Engineering, Chonnam National University, Yeosu 59626, Republic of Korea)

  • Kwang-Hwan Choi

    (Department of Refrigeration and Air-Conditioning Engineering, Pukyong National University, Busan 48513, Republic of Korea)

Abstract

In this study, we proposed and experimentally investigated a novel solar-assisted heat pump (SAHP) system integrated with a dual-purpose solar collector (DPSC). The DPSC is a solar collector designed to produce both heated air and hot water, and the proposed configuration of the SAHP utilizes both heated air and water simultaneously to improve the performance of the heat pump. The experiment was conducted under natural weather conditions on a clear day. The performance of the proposed system was evaluated and compared to that of a conventional air-type SAHP system. The results showed that the coefficient of performance (COP) of the proposed system, which takes into account the performance of the DPSC, heat pump, and the power consumption of both the blower and pump, was 3.14. In contrast, the system COP of the SAHP operated as conventional air-type SAHP was 2.33. This finding clearly demonstrated that the proposed SAHP performed better than the traditional SAHP mode. Additionally, the results of this research are useful as fundamental data related to SAHP combined with DPSC.

Suggested Citation

  • Kwang-Am Moon & Seong-Bhin Kim & Hwi-Ung Choi & Kwang-Hwan Choi, 2024. "Experimental Study on the Heat Pump Performance Combined with Dual-Purpose Solar Collector," Energies, MDPI, vol. 17(12), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:12:p:3038-:d:1418568
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    References listed on IDEAS

    as
    1. Choi, Hwi-Ung & Choi, Kwang-Hwan, 2023. "Numerical study on the performance of a solar-assisted heat pump coupled with a photovoltaic-thermal air heater," Energy, Elsevier, vol. 285(C).
    2. Li, Y.W. & Wang, R.Z. & Wu, J.Y. & Xu, Y.X., 2007. "Experimental performance analysis and optimization of a direct expansion solar-assisted heat pump water heater," Energy, Elsevier, vol. 32(8), pages 1361-1374.
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