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Development of a design and performance prediction tool for a ground source heat pump system.

Author(s) : NAGANO K., KATSURA T., NOGAWA T., et al.

Summary

This paper introduces a novel designing and performance prediction tool for the ground source heat pump (GSHP) system which authors have developed. This tool has some advantages and features, such as containing a user-friendly interface for input data and showing calculation result graphically to make operators understand. First, outlines of this tool were described. Next, a performance prediction and an installation effect feasibility of the GSHP system using steel foundation piles as ground heat exchangers in Tokyo was performed with this tool as an example. Results of the calculations show that the LCCO2 of the GSHP system is 1338 kg-CO2/year and it is less than half compared to conventional systems. Also, the GSHP system can reduce LCC by 50 000-90 000 Japanese-yen/year. The cost payback time for increasing investment of the GSHP system is less than ten years against other conventional systems.

Details

  • Original title: Development of a design and performance prediction tool for a ground source heat pump system.
  • Record ID : 2006-3166
  • Languages: English
  • Source: 8th IEA Heat Pump Conference 2005: global advances in heat pump technology, applications, and markets. Conference proceedings [CD-ROM].
  • Publication date: 2005/05/02

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