A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of Performance

The Korean government is fostering a renewable energy industry as a means of handling the energy crisis. Among the renewable energy systems available, geothermal energy has been highlighted as highly efficient, safely operable and relatively unaffected by outdoors air conditions. Despite the increas...

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Main Authors: Young-Ju Jung, Hyo-Jun Kim, Bo-Eun Choi, Jae-Hun Jo, Young-Hum Cho
Format: Article
Language:English
Published: MDPI AG 2016-05-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/9/5/356
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author Young-Ju Jung
Hyo-Jun Kim
Bo-Eun Choi
Jae-Hun Jo
Young-Hum Cho
author_facet Young-Ju Jung
Hyo-Jun Kim
Bo-Eun Choi
Jae-Hun Jo
Young-Hum Cho
author_sort Young-Ju Jung
collection DOAJ
description The Korean government is fostering a renewable energy industry as a means of handling the energy crisis. Among the renewable energy systems available, geothermal energy has been highlighted as highly efficient, safely operable and relatively unaffected by outdoors air conditions. Despite the increasing use of renewable energy, the devices using renewables may not be operating appropriately. This study examined current problems in the operation of a geothermal heat pump (GHP) system. The efficiency of a geothermal heat pump system to studied to maximize the operation plan. Our study modelled the target building and analyzed the energy using TRNSYS, which is a dynamic energy simulation tool, to apply the coefficient of performance (COP) and evaluate the operation method. As a result, the GHP total energy consumption from the COP control method was reduced by 46% compared to the current operation. The proposed control method was evaluated after applying the system to a building. The results showed that efficient operation of a geothermal heat pump system is possible.
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spelling doaj.art-7aff714b3959441b96f04f53432c75512022-12-22T02:52:43ZengMDPI AGEnergies1996-10732016-05-019535610.3390/en9050356en9050356A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of PerformanceYoung-Ju Jung0Hyo-Jun Kim1Bo-Eun Choi2Jae-Hun Jo3Young-Hum Cho4Green Building Center, Korea Productivity Center Quality Assurance, 32 Saemoonan 5th street, Jongno-gu, Seoul 03170, KoreaDepartment of Architectural Engineering, Graduate School of Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, KoreaDepartment of Architectural Engineering, Graduate School of Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, KoreaDepartment of Architectural Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 22212, KoreaSchool of Architecture, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, KoreaThe Korean government is fostering a renewable energy industry as a means of handling the energy crisis. Among the renewable energy systems available, geothermal energy has been highlighted as highly efficient, safely operable and relatively unaffected by outdoors air conditions. Despite the increasing use of renewable energy, the devices using renewables may not be operating appropriately. This study examined current problems in the operation of a geothermal heat pump (GHP) system. The efficiency of a geothermal heat pump system to studied to maximize the operation plan. Our study modelled the target building and analyzed the energy using TRNSYS, which is a dynamic energy simulation tool, to apply the coefficient of performance (COP) and evaluate the operation method. As a result, the GHP total energy consumption from the COP control method was reduced by 46% compared to the current operation. The proposed control method was evaluated after applying the system to a building. The results showed that efficient operation of a geothermal heat pump system is possible.http://www.mdpi.com/1996-1073/9/5/356geothermal heat pump (GHP)coefficient of performance (COP)TRNSYSoperation methodrenewable energybuilding energyhybrid operation
spellingShingle Young-Ju Jung
Hyo-Jun Kim
Bo-Eun Choi
Jae-Hun Jo
Young-Hum Cho
A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of Performance
Energies
geothermal heat pump (GHP)
coefficient of performance (COP)
TRNSYS
operation method
renewable energy
building energy
hybrid operation
title A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of Performance
title_full A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of Performance
title_fullStr A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of Performance
title_full_unstemmed A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of Performance
title_short A Study on the Efficiency Improvement of Multi-Geothermal Heat Pump Systems in Korea Using Coefficient of Performance
title_sort study on the efficiency improvement of multi geothermal heat pump systems in korea using coefficient of performance
topic geothermal heat pump (GHP)
coefficient of performance (COP)
TRNSYS
operation method
renewable energy
building energy
hybrid operation
url http://www.mdpi.com/1996-1073/9/5/356
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