REACTION-MECHANISM FOR AROMATICS FORMATION IN A LOW-PRESSURE, PREMIXED ACETYLENE-OXYGENE ARGON FLAME

被引：30

作者：

DOUTE, C ^{[1
]}

DELFAU, JL ^{[1
]}

VOVELLE, C ^{[1
]}

机构：

[1] UNIV ORLEANS, F-45071 ORLEANS 2, FRANCE

来源：

COMBUSTION SCIENCE AND TECHNOLOGY | 1994年 / 103卷 / 1-6期

关键词：

AROMATICS FORMATION; MODELING; LAMINAR FLAMES;

D O I：

10.1080/00102209408907692

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper is aimed at validating a detailed reaction mechanism for the formation of the first aromatic rings (benzene and phenyl radical) in a rich premixed acetylene-oxygen-argon flame. Validation has been carried out by confrontation of computed mole fraction profiles of stable and labile species against experimental results. With only specific changes in kinetic data of a few reactions a good agreement was obtained for the mole fraction profiles of C-4 species. Distinction between singlet and triplet methylene radical was a more profound change brought to the mechanism and needed to obtain a good modelling of C3H3. These changes result in a marked improvement in the modelling of C4H2, C4H3, C4H4, C4H5, C3H3, C3H4 and C6H6, accompanied by a better coherence of the mechanism with recent kinetic data measurements. Pathways analyses of benzene formation show that acetylene addition to C4H5 takes place close to the burner and is rapidly superseded by addition of propargyl radicals to allene.

引用

页码：153 / 173

页数：21

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