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Ground Source and Sewage Water Source Heat Pump Systems for Block Heating and Cooling Network

Author

Listed:
  • Min-Hwi Kim

    (Renewable Heat Integration Research Lab, Korea Institute of Energy Research, Gajeong-ro 152, Daejeon 34129, Korea)

  • Deuk-Won Kim

    (Renewable Heat Integration Research Lab, Korea Institute of Energy Research, Gajeong-ro 152, Daejeon 34129, Korea)

  • Gwangwoo Han

    (Renewable Heat Integration Research Lab, Korea Institute of Energy Research, Gajeong-ro 152, Daejeon 34129, Korea)

  • Jaehyeok Heo

    (Renewable Heat Integration Research Lab, Korea Institute of Energy Research, Gajeong-ro 152, Daejeon 34129, Korea)

  • Dong-Won Lee

    (Renewable Heat Integration Research Lab, Korea Institute of Energy Research, Gajeong-ro 152, Daejeon 34129, Korea)

Abstract

The demand for district heating and cooling systems in block units with a heat pump that utilizes various unused energy sources for energy supply has been increasing. This study investigated experimentally the ground source heat pump (GSHP) and sewage water source heat pump (SWSHP) facilities used in block cooling and heating networks. Then, a heat pump performance prediction model was derived for utilization in future designs. Operational data for heating and cooling energy supply from an experimental site were investigated for the period between 2018 and 2020. During the cooling season, the coefficient of performance (COP) of the GSHP was approximately 4.1, and that of the SWSHP was approximately 2.9. The cooling performance of the SWSHP gradually decreased because of the fouling. The COP of the GSHP and SWSHP during the heating season was approximately 3.6 and 3.4, respectively. The results also demonstrated that, if fouling in the SWSHP can be prevented or reduced, the acquired COP can be similar to that of the GSHP. The derived prediction model serves as a good reference for engineers who require information on the performance of field operations.

Suggested Citation

  • Min-Hwi Kim & Deuk-Won Kim & Gwangwoo Han & Jaehyeok Heo & Dong-Won Lee, 2021. "Ground Source and Sewage Water Source Heat Pump Systems for Block Heating and Cooling Network," Energies, MDPI, vol. 14(18), pages 1-22, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:18:p:5640-:d:631298
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    References listed on IDEAS

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    Cited by:

    1. Mengting Jiang & Camilo Rindt & David M. J. Smeulders, 2022. "Optimal Planning of Future District Heating Systems—A Review," Energies, MDPI, vol. 15(19), pages 1-38, September.
    2. Sabina Kordana-Obuch & Michał Wojtoń & Mariusz Starzec & Beata Piotrowska, 2023. "Opportunities and Challenges for Research on Heat Recovery from Wastewater: Bibliometric and Strategic Analyses," Energies, MDPI, vol. 16(17), pages 1-36, September.

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