Soot formation in methane/air nonpremixed flames doped with small quantities of C3 hydrocarbons

McEnally CS.; Pfefferle LD.

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Soot formation in methane/air nonpremixed flames doped with small quantities of C3 hydrocarbons

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Gas temperature, C1 to C12 stable hydrocarbon concentrations, and soot volume fractions were measured in an axisymmetric methane/air coflowing nonpremixed flame whose fuel was doped with one mole per cent allene, propene, and propane. The additives did not significantly alter the temperature field, methane mole fractions, or chain-carrying radical concentrations. However, soot volume fractions were increased, in the order allene > propene > propane. The hydrocarbon species measurements indicated that soot formation increases because the additives undergo reaction sequences that raise the concentrations of the benzene and phenyl radical precursors C3H3, C4H3, and C4H5, and consequently enhance the benzene/phenyl formation rate. Therefore, creation of these precursors and of the first aromatic ring are crucial rate-limiting soot formation steps in methane flames. (C) 1998 by The Combustion Institute. References: 46

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《Combustion and Flame》 |1998年第4期|545-558|共14页
作者
McEnally CS.; Pfefferle LD.;
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作者单位

Yale Univ, Dept Chem Engn, New Haven, CT 06520, USA, .;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类燃料与燃烧;
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1. Species and soot concentration measurements in a methane/air nonpremixed flame doped with C4 hydrocarbons [J] . McEnally CS., Pfefferle LD. Combustion and Flame . 1998,第2期

机译：Species and soot concentration measurements in a methane/air nonpremixed flame doped with C4 hydrocarbons
2. Soot formation effects of oxygen concentration in the oxidizer stream of laminar coannular nonpremixed methane/air flames [J] . Constantine M. Megaridis, Serguei Zelepouga, Alexei V. SavelievLawrence A. KennedyOlivier CharonFouad Ammouri Combustion and Flame . 2000,第2期

机译：Soot formation effects of oxygen concentration in the oxidizer stream of laminar coannular nonpremixed methane/air flames
3. Soot formation effects of oxygen concentration in the oxidizer stream of laminar coannular nonpremixed methane/air flames [J] . Lee KO., Zelepouga S., Saveliev AV.Kennedy LA.Charon O. Ammouri F.Megaridis CM. Combustion and Flame . 2000,第2期

机译：Soot formation effects of oxygen concentration in the oxidizer stream of laminar coannular nonpremixed methane/air flames

Soot formation in methane/air nonpremixed flames doped with small quantities of C3 hydrocarbons

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