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Development of a ground-source heat pump system with ground heat exchanger utilizing the cast-in-place concrete pile foundations of a building.

[In Japanese. / En japonais.]

Author(s) : SEKINE K., OOKA R., YOKOI M., et al.

Type of article: Article

Summary

Ground-source (geothermal) heat pump (GSHP) systems can achieve a higher COP than conventional air-source heat pump (ASHP) systems. However, GSHP systems are not widespread in Japan because of their expensive boring costs. The authors have developed a GSHP system that employs the cast-in-place concrete pile foundations of a building as heat exchangers in order to reduce the initial boring cost. In this system, eight U-tubes are arranged around the surface of a cast-in-place concrete pile foundation.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2006-2054
  • Languages: Japanese
  • Source: Transaction of the Society of Heating, Air-conditioning and Sanitary Engineers of Japan - n. 107
  • Publication date: 2006/02

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