加圧方式の床吹出し空調システムに関する研究 第1報, 均一な吹出し気流速度分布を得るための因子解析 Studies on a Pressurized Type Underfloor Air-Conditioning System (1th Report : Analysis of Controlled Factors for Uniform Air Velocity Profile)

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Recently, a lower type free-access floor system which realizes improved ease of walking and less sense of confinement has been attracting attention. However, it is known that the lower the design of the air supply chamber, the larger the non-uniformity of the supplied air velocity at each diffuser and the greater the deterioration in room temperature distribution. In this report, an analytical model is proposed for predicting the non-uniformity of supplied air velocity at the design stage. The validity of the analytical model was confirmed by the good-coincidence of results obtained in scale model tests. It was found that the limit of the floor height at which a uniform supplied air velocity is obtained was 50 mm. Moreover, a relation was found whereby the inverse of coefficient of resistance at a diffuser up to a value of 1 is proportional to the maximum non-uniformity. This indicates the possibility that design work aimed at constructing a pressurized type under floor air-conditioning system with a uniform supplied air velocity profile may be readily performed from parameters of the coefficient of resistance at a diffuser by utilizing this relation.

収録刊行物

  • 日本冷凍協会論文集

    日本冷凍協会論文集 13(2), 133-141, 1996-07-31

    公益社団法人 日本冷凍空調学会

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各種コード

  • NII論文ID(NAID)
    10002713600
  • NII書誌ID(NCID)
    AN10035654
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09100040
  • NDL 記事登録ID
    4020800
  • NDL 雑誌分類
    ZN14(科学技術--機械工学・工業--熱機関)
  • NDL 請求記号
    Z16-1394
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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