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Current status of the performance of GSHP (ground source heat pump) units in the Republic of Korea

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  • Aikins, Kojo Atta
  • Choi, Jong Min

Abstract

Heat pumps, as a process recirculating environmental heat back into useful heat production, fit the environmental requirements of present global policy. They are very useful tools to reduce the need of fossil fuels in space heating and cooling. The government of the Republic of Korea has promoted the distribution of heat pump systems that apply geothermal energy, and has adopted regulation to prevent the use of low efficiency heat pump units. Only heat pump units certified by the government can be used in ground source heat pump (GSHP) systems. Certified heat pump units in the Republic of Korea were analyzed and discussed in this paper. All certified products had cooling capacities less than 280 kW (80 RT). Most of the cooling COPs (Coefficient of Performance)s were found to be superior to heating COPs for GSHP units in the Republic of Korea. To save energy, correspond to environmental regulations and reduce the installation cost of applying GSHP systems, it is suggested that the certification standard concerning underground circulation flow rate should be revised. In addition, there is a need for the revision of the certification standards to include floor heating in order to be able to apply GSHP systems for a variety of purposes.

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  • Aikins, Kojo Atta & Choi, Jong Min, 2012. "Current status of the performance of GSHP (ground source heat pump) units in the Republic of Korea," Energy, Elsevier, vol. 47(1), pages 77-82.
    • Handle: RePEc:eee:energy:v:47:y:2012:i:1:p:77-82
    DOI: 10.1016/j.energy.2012.05.048
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    Cited by:

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    7. Karytsas, Spyridon & Choropanitis, Ioannis, 2017. "Barriers against and actions towards renewable energy technologies diffusion: A Principal Component Analysis for residential ground source heat pump (GSHP) systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 78(C), pages 252-271.
    8. Sivasakthivel, T. & Murugesan, K. & Thomas, H.R., 2014. "Optimization of operating parameters of ground source heat pump system for space heating and cooling by Taguchi method and utility concept," Applied Energy, Elsevier, vol. 116(C), pages 76-85.
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    14. Kofi Owura Amoabeng & Kwang Ho Lee & Jong Min Choi, 2019. "Modeling and Simulation Performance Evaluation of a Proposed Calorimeter for Testing a Heat Pump System," Energies, MDPI, vol. 12(23), pages 1-22, December.
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    16. Reda, Francesco & Arcuri, Natale & Loiacono, Pasquale & Mazzeo, Domenico, 2015. "Energy assessment of solar technologies coupled with a ground source heat pump system for residential energy supply in Southern European climates," Energy, Elsevier, vol. 91(C), pages 294-305.
    17. Michopoulos, A. & Zachariadis, T. & Kyriakis, N., 2013. "Operation characteristics and experience of a ground source heat pump system with a vertical ground heat exchanger," Energy, Elsevier, vol. 51(C), pages 349-357.
    18. Hakkaki-Fard, Ali & Eslami-Nejad, Parham & Aidoun, Zine & Ouzzane, Mohamed, 2015. "A techno-economic comparison of a direct expansion ground-source and an air-source heat pump system in Canadian cold climates," Energy, Elsevier, vol. 87(C), pages 49-59.
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    20. Cho, Honghyun & Choi, Jong Min, 2014. "The quantitative evaluation of design parameter's effects on a ground source heat pump system," Renewable Energy, Elsevier, vol. 65(C), pages 2-6.
    21. Zhongchao Zhao & Rendong Shen & Weixian Feng & Yong Zhang & Yanrui Zhang, 2018. "Soil Thermal Balance Analysis for a Ground Source Heat Pump System in a Hot-Summer and Cold-Winter Region," Energies, MDPI, vol. 11(5), pages 1-13, May.
    22. Jimin Kim & Taehoon Hong & Myeongsoo Chae & Choongwan Koo & Jaemin Jeong, 2015. "An Environmental and Economic Assessment for Selecting the Optimal Ground Heat Exchanger by Considering the Entering Water Temperature," Energies, MDPI, vol. 8(8), pages 1-25, July.
    23. Song, Jeonghun & Song, Seung Jin & Oh, Si-Deok & Yoo, Yungpil, 2015. "Evaluation of potential fossil fuel conservation by the renewable heat obligation in Korea," Renewable Energy, Elsevier, vol. 79(C), pages 140-149.

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