A135 PIVを用いた可変噴孔ノズルにより形成されるディーゼル噴霧の研究

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タイトル別名
  • Studies on the Diesel Sprays Injected by the Variable Orifice Nozzle (VON) Using PIV
  • PIV オ モチイタ カヘン フンコウ ノズル ニ ヨリ ケイセイサレル ディ

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A Variable Orifice Nozzle (VON) by changing a cross-sectional area of the nozzle injection hole, for improving a rate of injection and injection duration, has been developed to study its spray characteristics. Injection and spray pattern responded to the nozzle orifice cross-sectional area which is changing larger to smaller. Transient behavior of the sprays were recorded by two-frame CCD camera with dual YAG Laser. The analysis of the diesel spray velocity vectors were conducted using PIV analyzer with cross-correlation method. The PIV results show the three-dimensional spray patterns of the VON in the part load range.

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