アセトンOH同時計測法による消炎限界付近の燃焼診断(反応・多相系燃焼・反応(1),一般講演)

概要

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Diagnostics methodology of lean-premixed flame via acetone-OH simultaneous PLIF approach, which has been proposed by authors, is applied to look into the structure of flames under near-extinction conditions. A 266nm of excitation line is successfully added to the previous laser system in order to minimize the amount of seeded-acetone into the fuel flow. Flat-shaped lifted flame, just before the blow-off, is used for the reference object in the present study. Instantaneous non-signal zone of lifted flame and premixing status of fuel and ambient air are properly visualized. It is guaranteed that this "revised" scheme works for diagnostics of flames in near-extinction limit and potentially applicable for the active control of ultra-lean combustor.
日本流体力学会の論文
2009-09-02