半経験的相似則に基づく家庭エアコン用小形送風機の設計法について

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タイトル別名
  • On Design Method of Compact Fan for Home-Use Air Conditioner Based on Semi-Empirical Similarity Law
  • ハンケイケンテキ ソウジソク ニ モトズク カテイ エアコンヨウ コガタ ソウフウキ ノ セッケイホウ ニ ツイテ

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抄録

Indoor and outdoor units of home-use air conditioner incorporate compact fans for heat exchange. Typical forms of these fans are forward type sirocco fan, axial-flow type propeller fan and cross-flow type tangential fan. They are required to be small enough for a given unit size and also to have an appropriate air flow rate, a lower noise level and a higher energy saving (fan efficiency). However, in designing the fan built in a newly developed air conditioner unit, it is generally difficult to satisfy all of required conditions only by similarity law using known parameters of a prototype fan. Therefore, this study aims to offer a modified, semi-empirical similarity law based on experimental data which enables us to give the fan with better efficiency and lower noise, even though the geometrical shapes of each part of the fan may slightly differ from those of the prototype fan.

収録刊行物

  • ターボ機械

    ターボ機械 43 (6), 348-357, 2015

    一般社団法人 ターボ機械協会

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