0904 アセトン分子のりん光を利用した超音速自由噴流のMTV速度計測(OS9-1 先端的熱流体計測法,オーガナイズドセッション)

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  • 0904 MTV Measurement of a Supersonic Freejet Using Phosphorescence Emitted from Acetone Molecules

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The molecular tagging velocimetry (MTV) is applied to a supersonic freejet produced by a 6-mm-diameter orifice. This velocimetry uses the forth harmonic of the Nd :YAG laser (266nm) as a light source, and the target gas is dry nitrogen with acetone as a seeding material. The velocity distribution measured by the present velocimetry is found to agree reasonably with that calculated by the numerical flow simulation.

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