掘削杭熱交換方式による地盤蓄熱と路面温度制御

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書誌事項

タイトル別名
  • Control of car park surface temperature and thermal energy storage using Borehole Heat Exchange System
公開日
1997
DOI
  • 10.2208/prohe.41.587
公開者
公益社団法人 土木学会

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説明

Borehole Heat Exchange System (BHES) is introduced to control car park temperature, i. e. improvement of thermal environment at a car park in the campus of Fukui university. BHES consists of a borehole and pavement, which has an asphalt layer covering 12 concrete panels installed heat exchange piping. The borehole is 70m length and comprises outer and inner pipe. Diameters of the outer and inner pipe are 90mm and 56mm, respectively.<BR>Thermal flow circulates in a closed loop connecting between the pavement and borehole to sustain ground water quality.<BR>The efficiency and performance of BHES are evaluated experimentally and theoretically from viewpoint of seasonal thermal energy storage.<BR>It is shown that BHES can suppress the rise of the pavement temperature of the park in summer and melt the snow on the same car park in winter using only geothermal heat.

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