전북 장수지역 지중열전도도 분석에 관한 실험적 연구


An Experimental Study on Analysis of the Ground Thermal Conductivity for Ground Heat Exchanger

장영근, 김덕주, 서병택, 이정재, 문종훈, 김기화

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The thermal conductivity for the ground heat exchanger installed in the local facilities of greenhouse area at JangSu-Gun in Jeollabuk-Do was analyzed experimentally. For measuring the thermal conductivity of the ground heat exchanger, a bore hole was punched at the size of diameter 150mm, depth 160m. And a closed-type heat exchanger of high density polyethylene at the size of diameter 40mm was installed vertically. The heated water by an electric heater was circulated through the ground heat exchanger with a pump. The inlet/outlet temperatures and the flow rates of this water are measured and the thermal conductivity was calculated. The experimental results were as follows. The inlet/outlet temperatures of the ground heat exchanger were increased rapidly until 7 hours, then they were increased gently and the difference of inlet/outlet temperature was maintained at about 4.5℃. The thermal conductivity calculated by the line source theory was 2.207W/mK.


 1. 서론
 2. 실험장치 및 방법
  2.1 실험장치
  2.2 실험방법
 3. 실험결과 및 고찰
 4. 결론


  • 장영근 Y. K. JANG. 용인송담대학 건축소방설비과
  • 김덕주 D. J. KIM. 용인송담대학 건축소방설비과
  • 서병택 B. T. SUH. 용인송담대학 건축소방설비과
  • 이정재 J. J. LEE. 용인송담대학 건축소방설비과
  • 문종훈 J. H. MOON. 용인송담대학 실내건축에너지과
  • 김기화 G. H. KIM. 용인송담대학 실내건축에너지과


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