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A Study on the Effect of Performance Factor on GSHP System through Real-Scale Experiments in Korea

Author

Listed:
  • Hongkyo Kim

    (Department of Architectural Engineering, Pusan National University, 2 Busandaehak-ro 63, Geomjeong-gu, Busan 46241, Korea)

  • Yujin Nam

    (Department of Architectural Engineering, Pusan National University, 2 Busandaehak-ro 63, Geomjeong-gu, Busan 46241, Korea)

  • Sangmu Bae

    (Department of Architectural Engineering, Pusan National University, 2 Busandaehak-ro 63, Geomjeong-gu, Busan 46241, Korea)

  • Jae Sang Choi

    (Kajin Engineering Company Limited, 184 Gasan digital 2-ro, Geumcheon-gu, Seoul 08501, Korea)

  • Sang Bum Kim

    (Kajin Engineering Company Limited, 184 Gasan digital 2-ro, Geumcheon-gu, Seoul 08501, Korea)

Abstract

A ground source heat pump system is one of the high-efficient technologies for space heating and cooling since it uses stable underground temperature. However, in actual application, many situations cannot be achieved due to the unsuitable design of operation. In particular, the design characteristics of buildings with different building load patterns are not reflected by the conventional design method. Moreover, the design capacity of the heat pump can be reduced by designing less capacity than the peak load through the introduction of the heat storage tank, but there is no related quantitative design method. Therefore, in this study, the effect of the ground source heat pump system design factors such as shape, length of the ground heat exchanger, and the capacity of the heat storage tank on the system performance was analyzed. To quantify the effect of such factors on system performance, an experimental plant was constructed and case studies were conducted for each design factor.

Suggested Citation

  • Hongkyo Kim & Yujin Nam & Sangmu Bae & Jae Sang Choi & Sang Bum Kim, 2020. "A Study on the Effect of Performance Factor on GSHP System through Real-Scale Experiments in Korea," Energies, MDPI, vol. 13(3), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:3:p:554-:d:312448
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    References listed on IDEAS

    as
    1. Jeffrey D. Spitler & Signhild Gehlin, 2019. "Measured Performance of a Mixed-Use Commercial-Building Ground Source Heat Pump System in Sweden," Energies, MDPI, vol. 12(10), pages 1-34, May.
    2. Yuanshen Lu & Kamel Hooman & Aleks D. Atrens & Hugh Russell, 2017. "An Experimental Facility to Validate Ground Source Heat Pump Optimisation Models for the Australian Climate," Energies, MDPI, vol. 10(1), pages 1-15, January.
    3. Xi, J. & Li, Y. & Liu, M. & Wang, R.Z., 2017. "Study on the thermal effect of the ground heat exchanger of GSHP in the eastern China area," Energy, Elsevier, vol. 141(C), pages 56-65.
    4. Davide Quaggiotto & Angelo Zarrella & Giuseppe Emmi & Michele De Carli & Luc Pockelé & Jacques Vercruysse & Mario Psyk & Davide Righini & Antonio Galgaro & Dimitrios Mendrinos & Adriana Bernardi, 2019. "Simulation-Based Comparison Between the Thermal Behavior of Coaxial and Double U-Tube Borehole Heat Exchangers," Energies, MDPI, vol. 12(12), pages 1-18, June.
    5. Sang Mu Bae & Yujin Nam & Byoung Ohan Shim, 2018. "Feasibility Study of Ground Source Heat Pump System Considering Underground Thermal Properties," Energies, MDPI, vol. 11(7), pages 1-20, July.
    6. Luo, Jin & Luo, Zequan & Xie, Jihai & Xia, Dongsheng & Huang, Wei & Shao, Haibin & Xiang, Wei & Rohn, Joachim, 2018. "Investigation of shallow geothermal potentials for different types of ground source heat pump systems (GSHP) of Wuhan city in China," Renewable Energy, Elsevier, vol. 118(C), pages 230-244.
    7. Sang Mu Bae & Yujin Nam & Jong Min Choi & Kwang Ho Lee & Jae Sang Choi, 2019. "Analysis on Thermal Performance of Ground Heat Exchanger According to Design Type Based on Thermal Response Test," Energies, MDPI, vol. 12(4), pages 1-16, February.
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    Cited by:

    1. Kwonye Kim & Sangmu Bae & Yujin Nam & Euyjoon Lee & Evgueniy Entchev, 2022. "Development of a Low-Depth Modular GHX through a Real-Scale Experiment," Energies, MDPI, vol. 15(3), pages 1-14, January.
    2. Hyeongjin Moon & Jae-Young Jeon & Yujin Nam, 2020. "Development of Optimal Design Method for Ground-Source Heat-Pump System Using Particle Swarm Optimization," Energies, MDPI, vol. 13(18), pages 1-17, September.
    3. Kwonye Kim & Jaemin Kim & Yujin Nam & Euyjoon Lee & Eunchul Kang & Evgueniy Entchev, 2021. "Analysis of Heat Exchange Rate for Low-Depth Modular Ground Heat Exchanger through Real-Scale Experiment," Energies, MDPI, vol. 14(7), pages 1-13, March.

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