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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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    15. Sivasakthivel, T. & Murugesan, K. & Sahoo, P.K., 2015. "Study of technical, economical and environmental viability of ground source heat pump system for Himalayan cities of India," Renewable and Sustainable Energy Reviews, Elsevier, vol. 48(C), pages 452-462.
    16. Nam, Yujin & Chae, Ho-Byung, 2014. "Numerical simulation for the optimum design of ground source heat pump system using building foundation as horizontal heat exchanger," Energy, Elsevier, vol. 73(C), pages 933-942.
    17. Maestre, Ismael Rodríguez & Gallero, Francisco Javier González & Gómez, Pascual Álvarez & Pérez-Lombard, Luis, 2015. "A new RC and g-function hybrid model to simulate vertical ground heat exchangers," Renewable Energy, Elsevier, vol. 78(C), pages 631-642.
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    20. 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.
    21. 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.
    22. Liu, Guoqing & Zhou, Zhifang & Li, Zhaofeng & Zhou, Yanzhang, 2014. "Analysis and experimental study on thermal dispersion effect of small scale saturated porous aquifer," Energy, Elsevier, vol. 67(C), pages 411-421.
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