プラズマ支援燃焼における燃焼生成物の組成に及ぼすプラズマ作動ガスの影響
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概要
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The effect of a plasma feedstock gas on the composition of combustion products in plasma-assisted combustion was investigated by a spectroscopic measurement of an ethylene (C2H4) flame ignited and held by a plasma jet (PJ). Spectra of CH, CN and C2 were detected in emissions from the flame ignited by N2 PJ. On the other hand, only CH spectrum was detected in emission of the flame ignited by O2 PJ. A decrease in the CN emission downstream was much faster than those in CH and C2 emissions. In the case of N2 PJ, an increase in the electric power to the PJ torch decreased the flame length.