Effect of ethanol on the chemical structure of the soot extractable material of an ethylene inverse diffusion flame

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• 作者：Alex ; er Santamarí ; a ; Eric G. Eddings ; Fanor Mondragó ; n
• 关键词：Soot precursors ; Ethanol effect ; Inverse diffusion flame ; Average structural parameters ; Aromatization
• 刊名：Combustion and Flame
• 出版年：2007
• 期刊代码：21_00102180
• 类别：ce
• 出版时间：October 2007
• 卷：151
• 期：1-2
• 页码：235-244
• 文件大小：290 K

摘要

The effect of fuel-side ethanol addition on the chemical structure of the soot extractable material generated in an ethylene inverse diffusion flame was evaluated by means of average structural parameters. The results indicate that the ethanol effect on the aromatic components was more pronounced, with an increase of about 40%in the average number of aromatic fused rings (R_a) as compared to the results of a neat flame. This observation also helps explain the low percentage of chloroform-extractable material in the soot samples obtained from the flame with ethanol addition. In contrast, the aliphatic component of the extractable material did not demonstrate significant changes with ethanol addition.