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논문 기본 정보

자료유형
학술저널
저자정보
백남춘 (한국에너지기술연구원) 김성범 (대전대학교) 신우철 (대전대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제28권 제10호
발행연도
2016.10
수록면
387 - 393 (7page)

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초록· 키워드

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A ground source heat pump system maintains a constant efficiency due to its stable heat source and radiant heat temperature which provide a more effective thermal performance than that of the air source heat pump system. As an eco-friendly renewable energy source, it can reduce electric power and carbon dioxide. In this study, we analyzed one year of data from a web based remote monitoring system to estimate the thermal performance of GSHP with the capacity of 3RT, which is installed in a low energy house located in Daejeon, Korea. This GSHP system is a hybrid system connected to a solar hot water system. Cold and hot water stored in a buffer tank is supplied to six ceiling cassette type fan coil units and a floor panel heating system installed in each room. The results are as follows. First, the GSHP system was operated for ten minutes intermittently in summer in order to decrease the heat load caused by super-insulation. Second, the energy consumption in winter where the system was operated throughout the entire day was 7.5 times higher than that in summer. Moreover, the annual COP of the heating and cooling system was 4.1 in summer and 4.2 in winter, showing little difference. Third, the outlet temperature of the ground heat exchanger in winter decreased from 13℃ in November to 9℃ in February, while that in summer increased from 14℃ to 17℃ showing that the temperature change in winter is greater than that in summer.

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Abstract
1. 서론
2. 실증주택
3. 지열히트펌프시스템의 열성능 분석
4. 결론
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UCI(KEPA) : I410-ECN-0101-2017-553-001339927