直噴ガソリン噴霧の分割噴射特性 : 第2報周囲空気流動のLIF-PIV測定(エンジンの新しい計測技術とモデリング(2),エンジンの新しい計測技術とモデリング)

概要

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Measurement of the droplet and ambient air velocities in and around a D.I. gasoline spray was made by combining the laser induced fluorescence (LIF) and the particle image velocimetry (PIV) techniques. A fuel spray was injected into the fluorescent tracer clouds dispersed by D.I. gasoline injector and illuminated by an Nd:YAG laser light sheet (wave length:532nm). Only the fluorescent tracer cloud image was captured using a long pass optical filter and a CCD camera, being discriminated from the fuel spray image. In order to clarify the mechanism behind the effect of the split-injection, the spray-induced ambient gas motion was investigated by the LIF-PIV technique.
社団法人日本機械学会の論文
2004-09-04