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成果報告書詳細
管理番号20170000000494
タイトル*平成27年度中間年報 再生可能エネルギー熱利用技術開発 地中熱利用トータルシステムの高効率化技術開発及び規格化 地中熱・流水熱利用型クローズドシステム技術開発
公開日2017/8/29
報告書年度2015 - 2015
委託先名国立研究開発法人農業・食品産業技術総合研究機構 国立大学法人東北大学 未来科学技術共同研究センター ジオシステム株式会社 八千代エンジニヤリング株式会社
プロジェクト番号P14017
部署名新エネルギー部
和文要約
英文要約Title FY2015 Annual report “Renewable energy-heat utilization technology and development project / Development and standardization of efficiency increasing technology of total system for geo-heat utilization / Development of closed systems using ground heat and flowing water heat (FY2014-FY2016)

In order to promote utilizations of heat from the shallow ground-water and agriculture water and so on as unused heat, we shall carry out
1) Development of a heat exchanger for Shallow Ground-Water-Loop (SGWL) and Surface Flowing Water-Loop (SFWL),
2) Development of optimized operation for heat pump systems, and
3) Development of mapping technology of areas suitable for introduction of the heat from the SGWL and the SFWL, in three years of 2014-2016.
Contents and the result that we carried out in 2015 are as follows.

1) Development of heat exchanger for the SGWL and the SFWL
As the heat exchanger suitable for the SGWL and the SFWL, we chose a sheet-formed polyethylene heat exchanger of 5.6m in length, and 0.9m in width. We started the measurement of the heat exchange performance for the SFWL and the SGWL using the laboratory waterway, and we have confirmed expected heat exchange performance. Based on these results, we estimated a number of the heat exchangers in field trials.

2) Development of the optimized operation for heat pump systems
On the development of load control method for the heat pump systems, we reviewed placement of indoor units of a really used office and carried out adequate load of the heat pump systems. For verification of systems without non-freezing fluid for both of Akishima and Furumido system, we have developed control system,and installed to Akishima and Furumido.

3) Development of the mapping technology of areas suitable for introduction of a heat from the SGWL and the SFWL
We chose a model area and investigated the methods of evaluation of ground water temperature and velocity.
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