贫油预混indane/CH4/O2/Ar火焰结构的实验研究
Experimental study of the structure of a lean premixed indane/CH4/O2/Ar flame
摘要：
为了更好地了解柴油组分燃烧过程中的化学反应，研究了掺有茚满的甲烷层流贫油预混火焰的结构。该火焰的气体含有7.1%（摩尔）的甲烷、36.8%的氧气和0.90%的茚满，对应于0.74的当量比和12.75%的C9 H10/CH 4比。在6.7kPa的压力下，用氩气作稀释剂，在333 K时，燃烧器处的气体速度为49.2cm/s。量化的物质包括常见的甲烷C 0-C2燃烧产物，但也包括11种C3-C5烃和3种C1-C3含氧化合物，以及17种芳族产物，即苯、甲苯、苯乙炔、苯乙烯、乙苯、二甲苯、三甲基苯、乙基甲苯、茚甲基茚、甲基茚、萘、苯酚、苯甲醛、苯并呋喃。温度是通过设置在外壳内的PtRh（6%）-PtRh（30%）热电偶测量的，范围从靠近燃烧器的800 K到燃烧气体中的2000 K。
英文摘要：
In order to better understand the chemistry involved during the combustion of components of diesel fuel, the structure of a laminar lean premixed methane flame doped with indane has been investigated. The gases of this flame contains 7.1% (molar) of methane, 36.8% of oxygen and 0.90% of indane corresponding to an equivalence ratio of 0.74 and a ratio C9H10/CH4 of 12.75%. The flame has been stabilized on a burner at a pressure of 6.7 kPa using argon as dilutant, with a gas velocity at the burner of 49.2 cm/s at 333 K. Quantified species included usual methane C0-C2 combustion products, but also 11 C3-C5 hydrocarbons and 3 C1-C3 oxygenated compounds, as well as 17 aromatic products, namely benzene, toluene, phenylacetylene, styrene, ethylbenzene, xylenes, trimethylbenzenes, ethyltoluenes, indene methylindane, methylindene, naphthalene, phenol, benzaldehyde, benzofuran. The temperature was measured thanks to a thermocouple in PtRh (6%)-PtRh (30%) settled inside the enclosure and ranged from 800 K close to the burner up to 2000 K in the burned gases.
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