The addition effects of methyl halides on ethane ignition behind reflected shock waves.
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概要
- 論文の詳細を見る
Ignition delay times were measured in C<SUB>2</SUB>H<SUB>6</SUB>–O<SUB>2</SUB>–CH<SUB>3</SUB>X(X:Cl, Br or I) mixtures highly diluted with argon behind reflected shock waves. The measurements covered a temperature range of 1200–1900 K and the pressure range of 1.4–2.9 atm. The times were longer than those without CH<SUB>3</SUB>X, indicating that CH<SUB>3</SUB>X inhibits ethane ignition. This was contrary to the previous results which showed that CH<SUB>3</SUB>X promoted methane ignition. To clarify the addition effects of CH<SUB>3</SUB>X from the viewpoint of the reaction mechanism, computational analyses were performed in C<SUB>2</SUB>H<SUB>6</SUB>–O<SUB>2</SUB>–CH<SUB>3</SUB>Br and CH<SUB>4</SUB>–O<SUB>2</SUB>–CH<SUB>3</SUB>Br mixtures. The analytical results showed that different chain cycles for Br-containing species were formed in the two mixtures. The opposite effects of CH<SUB>3</SUB>Br on ethane and methane ignitions could be interpreted in terms of these different cycles.
- 公益社団法人 日本化学会の論文
著者
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Takahashi Kazuo
Department Of Advanced Medical Technology And Development Bml Inc.
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Inomata Tadaaki
Department of Chemistry, Faculty of Science and Technology, Sophia University
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Moriwaki Takao
Department of Chemistry, Faculty of Science and Technology, Sophia University
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Okazaki Satiko
Department of Chemistry, Faculty of Science and Technology, Sophia University
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