成果報告書詳細
管理番号20120000000381
タイトル*平成23年度中間年報 次世代型ヒートポンプシステム研究開発/高密度冷熱ネットワークの研究開発
公開日2012/6/1
報告書年度2011 - 2011
委託先名学校法人東京電機大学 東洋熱工業株式会社
プロジェクト番号P10011
部署名省エネルギー部
和文要約1. 研究開発の内容及び成果
(1)研究開発の内容と取り組みの概要
業務用空調用エネルギーの面的利用に関しては、地域・建物・室内環境といった範囲(レベル/スケール)が異なるシステム別に省エネ評価が行われている状況にあるが、実際には、地域内の空調に係るあらゆる構成要素(機器)間のトレードオフを踏まえての、網羅的なシステム統合が望まれる。一方で、よりシビアなエネルギーの活用が求められている現状においては、ヒートポンプ単体の効率向上と反比例して割合が高まる熱源以外の構成要素、とりわけ熱搬送の重要度が大きくなることは必至である。
そこで本事業では、熱搬送の高効率(高密度)化が必須であること、業務用空調は冷熱需要が多いこと、建物側における環境形成と負荷低減に低温の活用が有効であること、ヒートポンプの高効率運用には蓄熱が有効であることから、氷のポテンシャルを地域単位で面的に利活用する「高密度冷熱ネットワーク」の開発を行う。
英文要約Title:Next generation Heat Pump System Development/Development of High Density Cold Energy Network (FY2010-FY2012)FY2011Annual Report

Commissioned by Tokyo Denki University, Tonets Corporation.1. BACKGROUND OF DEVELOPMENT To enhance an air-conditioning efficiency with the heat pump system, especially for office buildings which needs annual cooling in Japan, not only enhancement of heat pump section but also enhancement of cold energy transportation section is necessary. On this commission, as for the fundamental study on “next generation heat pump system”, we proposed the development of "High Density Cold Energy Network" to contribute to efficient energy use in the near future.2. CONCEPT OF HIGH DENSITY COLD ENERGY NETWORK This proposal covers entire systems for air-conditioning in the area. As for the District Heating and Cooling (DHC) system, utilizing the ice character which is higher energy density than water enables efficient energy transportation. As for the building system, utilizing the lower temperature of ice enables efficient operation of water pumps and air-conditioning fans. Also as for the indoor condition, utilizing the lower temperature of ice enables lower humidity condition. Therefore, from the view of the thermal sensitivity of residents, the set value of cooling temperature can be set to higher, and it also contributes to the reduction of cooling load. In addition, "High Density Cold Energy Network" which enables the cold energy communication between buildings realizes more efficient energy use for air-conditioning.3. POINTS OF DEVELOPMENT For this proposal, three of subtasks set up. Subtask 1 is requirements verification for the "High Density Cold Energy Network". Subtask 2 is engineering development of to get ice into the main piping of DHC. Subtask 3 is engineering development of piping system. Subtask 4 is to develop the integrated controlling system which covers from DHC (ice generation) to indoor air-condition (destination of cold energy).4. ACHIVEMENTS SUMMERY IN 2011 On this year 2011, it was shown followings. Through the development of system simulation program, the method of controlling the system became clear. On the other side, through the design and constructing phase of experiment system, we compiled the design method and basic data.
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