Regional Distribution of Thermal Conductivity of Ground Heat Exchanger for Geothermal Heat Pump System

지열 냉난방 시스템을 위한 열전도도의 지역별 분포

  • 임효재 (호서대학교 기계공학과) ;
  • 손병후 (한국건설기술연구원 화재및설비연구센터) ;
  • 정계훈 (호서대학교 대학원)
  • Published : 2007.11.06

Abstract

This study was performed to construct a geothermal data base about thermal conductivity of ground heat exchanger and thermal properties of grouting material which used to refill the borehole. We have acquired geothermal data sets from 39 sites over wide area of South Korea except to Jeju island. From data analysis, the range of thermal conductivity is $1.5{\sim}4.0$ W/mK. It means that thermal conductivity varies with grouting material as well as regional geology and ground water system.

Keywords