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충적대수층 지역에서의 계간축열 지열냉난방시스템 적용 연구
박성민(Sungmin Park),황기섭(Kisup Hwang),문종필(Jongphil Mon),민동민(Dongmin Min) 한국지열·수열에너지학회 2018 한국지열에너지학회논문집 Vol.14 No.3
In this paper, we designed a seasonal geothermal storage system and studied the applicability in the alluvial aquifer. We conducted a basic survey to apply this system to greenhouses actually operated in the Geum river basin alluvial aquifer. After choosing a potential area through electrical resistivity survey, the system parameters were set using drilling survey and pumping test result. We installed a system based on the factors, and operated for about 9 months. As a result, high temperature water(injection temperature 30℃) was stored at 22.5 Mcal (1,609 m³) for 3 months in cooling operation and 125 Mcal (16,960 m³) of low temperature water (injection temperature 7℃) were stored for 6 months in the remaining heating operation.