レーザシート法を用いたディーゼル噴霧の微細構造の可視化 Observation of Diesel Spray Micro Structure using Laser-Light Sheet Method

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This study was performed to clarify the mechanism of diesel fuel spray formation with the greatly magnified photographs and auto-correlation PIV technique by laser-light sheet method of pulsed ruby laser. From the magnified photographs taken at near the nozzle hole exit region, it was found that injected fuel under high ambient pressure condition was broken-up at peripheral area of spray. With PIV technique, local fuel spray particle motion was analyzed and velocity vector and vorticity of the fuel spray were obtained. The vortex number increased and vorticity scale became smaller and its value grew higher with the increase of fuel injection velocity. The mixing of fuel spray in ambient gas seems to be promoted and the turbulence is expected getting higher in those regions.

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  • 可視化情報学会誌 = Journal of the Visualization Society of Japan  

    可視化情報学会誌 = Journal of the Visualization Society of Japan 15, 69-72, 1995-10-01 

    The Visualization Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002673721
  • NII書誌ID(NCID)
    AN10374478
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09164731
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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