PERFORMANCE EVALUATION OF GROUND SOURCE HEAT PUMP SYSTEM AND CONSIDERATIONS FOR THE INSTALLATION IN KAHOKU PLAIN, ISHIKAWA PREFECTURE

DOI Web Site 5 References
  • TOMIGASHI Akira
    国立研究開発法人産業技術総合研究所 再生可能エネルギー研究センター
  • UCHIDA Youhei
    国立研究開発法人産業技術総合研究所 再生可能エネルギー研究センター
  • SHIMADA Kazuhiro
    石川県工業試験場 電子情報部環境技術開発PJ室
  • SHRESTHA Gaurav
    国立研究開発法人産業技術総合研究所 再生可能エネルギー研究センター
  • ISHIHARA Takeshi
    国立研究開発法人産業技術総合研究所 再生可能エネルギー研究センター
  • SANO Seiga
    福島大学大学院 共生システム理工学研究科

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Other Title
  • 石川県河北平野に導入した地中熱ヒートポンプシステムの性能評価と導入時の留意点

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<p> At the Industrial Research Institute of Ishikawa Prefecture located in the central part of the Kahoku plain, the thermal response tests (TRTs) were performed two times in snowfall season and non-snowfall season. Appropriate data could not be obtained from the TRT conducted during the snowfall season . This is considered to be due to the groundwater pumping for the snowmelt system that operates during snowfall. The demonstration results of the ground source heat pump (GSHP) system show good operation results for both cooling and heating. A simple verification analysis of underground temperature during the system demonstration resulted in high reproducibility when apparent thermal conductivity obtained from TRT data performed in non-snowfall season was considered. From these results, the GSHP system is thought to have good potential for public facilities and offices in the Kahoku plain. The important points to be considered for introducing the system in the Kahoku Plain are performing the thermal response test in the non-snowfall season, and estimating the effective thermal conductivity from geological information when TRT cannot be carried out in the non-snowfall season.</p>

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