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

Kwang-Am Moon, Seong-Bhin Kim, Hwi-Ung Choi and Kwang-Hwan Choi ()
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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

Energies, 2024, vol. 17, issue 12, 1-15

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.

Keywords: solar energy; dual-purpose solar collector; solar-assisted heat pump; water heating; experiment (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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