[논문]지열원과 수열원을 이용한 하이브리드 히트펌프 시스템의 에너지 성능 비교 분석 연구

박시훈; 김종현; 민준기

doi:10.17664/ksghe.2021.17.4.059

지열원과 수열원을 이용한 하이브리드 히트펌프 시스템의 에너지 성능 비교 분석 연구
A Study on Comparative Analysis of Energy Performance of Hybrid Heat Pump Systems Using Ground Heat Source and Water Heat Source 원문보기

한국지열·수열에너지학회논문집 = Journal of the Korean Society for Geothermal and Hydrothermal Energy, v.17 no.4, 2021년, pp.59 - 67

박시훈 (경희대학교 기계공학과) , 김종현 (한국폴리텍1대학 서울정수캠퍼스 그린에너지설비과) , 민준기 (경희대학교 기계공학과)

Abstract ▼ AI-Helper

In this study, the performance of the single heat source system and the hybrid system was comparatively analyzed. Case 1 is a ground heat source system, and Case 2 is a water heat source system. Case 3, a hybrid system, reduced the capacity of the ground heat source and applied a water heat source as an auxiliary heat source, and Case 4 was composed of a system that applied a water heat source as an auxiliary heat source to the ground heat source system. As a result of the simulation, in case 3, energy consumption was reduced by up to 2.67% compared to ground sources for cooling. In Case 4, COP was improved by up to 10.02% compared to ground sources during cooling, and EST was calculated to be 2.42℃ lower. During heating, 0.83% was improved compared to the water heat source. At this time, the EST was calculated to be 2.25℃ higher than the water heat source.

주제어

표/그림 (13)

그림 Fig. 1. Standard office modeling
표 Table 1. Simulation input conditions
그림 Fig. 2. Heat pump performance curve
그림 Fig. 3. Incheon sea Water Temperature
표 Table 2. Specification of source
표 Table 3. Specification of components
표 Table 4. Number of boreholes and flow rate by case
그림 Fig. 4. Configuration of simulation
그림 Fig. 5. Schematic diagram of heat pump system
그림 Fig. 6. Annual EST in Cases
그림 Fig. 7. Monthly average heat pump COP
표 Table 5. Monthly average EST
표 Table 6. Monthly energy requirement

참고문헌 (8)

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Park, S., Ko, Y., and Min, J., 2021, A Study on the Performance Evaluation of Combined Heat Pump System according to the Ratio of Ground Heat Source and Water Heat Source, Korea Society of Geothermal Energy Engineers, Vol. 17, No. 2, pp. 11-19.
Yang, C. H., Kim, Y., Chung, K. S., 2012, Economical Analysis of a Small Capacity Heat Pump utilizing Heat Sources of Air, Geothermal and Underground Water Tank using Dynamic Simulation, Transactions of the Korea society of Geothermal Energy Engineers, Vol. 8, No. 4, pp. 17-33.
Klein, S. A., 2019, TRNSYS18 Base Manual, KESTech, Kocaeli, Turkey.
Ministry of Land, Infrastructure and Transport, 2017, Standard of Building Saving, MLIT criteria 2017-881.
Korea Institute of Civil Engineering and Building Technology, 2015, Development of Installation Method of a Removal Heat Exchanger on the Ground for the Use of Geothermal Energy.

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