半開放型プロペラファンの動翼出口三次元流れ場 Three Dimensional Velocity Fields at Rotor Outlet of a Semi-Opened Propeller Fan

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In order to clarify three dimensional velocity fields at rotor outlet with vortex in a semi-opened propeller fan, the experimental investigation was carried out using hot-wire anemometer. Tip diameter of test rotor was 310 mm and its rotor had four blades. The front half of blade tip was opened and the rear half was covered with casing. The tip clearance at rear half part is 1mm at constant. As results, it is found that the main stream region at rotor outlet has concentrated on the area between mid-span and blade tip and the dead flow region is formed on hub as flowrate decreases. It is also found that the vortex exists in the flow field of rotor outlet and its vortex moves toward the pressure surface of next blade with decreasing flowrate.

収録刊行物

  • ターボ機械

    ターボ機械 40(4), 218-225, 2012-04-10

    Turbomachinery Society of Japan

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各種コード

  • NII論文ID(NAID)
    10030146994
  • NII書誌ID(NCID)
    AN00004836
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03858839
  • NDL 記事登録ID
    023621599
  • NDL 請求記号
    Z16-978
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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