A chemical kinetic study of the reaction of hydroxyl with furans

Elwardany A.; Es-Sebbar Et.; Khaled F.; Farooq A.

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A chemical kinetic study of the reaction of hydroxyl with furans

机译：羟基与呋喃反应的化学动力学研究

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Furans, a class of cyclic ethers, are potential renewable fuels and additives to conventional fuels. High-temperature oxidation of furans is dominated by their reaction with hydroxyl radical. In this work, rate coefficients for the reaction of hydroxyl (OH) with furan (k(1)), 2-methyl furan (k(2)) and 2,5-dimethyl furan (k(3)) were measured behind reflected shock waves over a temperature range of 890-1388 K and pressures of 1-2 atm. Hydroxyl radicals were generated via the thermal decomposition of tert-butylhydroperoxide. The OH radicals were monitored using the well-characterized R-1(5) rotational line of the A-X (0, 0) band in the ultraviolet region near 306 nm. Measurements were carried out under pseudo-first-order conditions using two different mixtures for each furan. The measured rate coefficients can be expressed in Arrhenius form as:

机译：呋喃是一类环状醚，是潜在的可再生燃料和常规燃料的添加剂。呋喃与羟基自由基的反应占主导地位。在这项工作中，在反射后测量了羟基（OH）与呋喃（k（1）），2-甲基呋喃（k（2））和2,5-二甲基呋喃（k（3））反应的速率系数冲击波的温度范围为890-1388 K，压力为1-2 atm。羟基自由基是通过叔丁基过氧化氢的热分解产生的。使用在306 nm附近的紫外线区域中A-X（0，0）带的特征明确的R-1（5）旋转线监测OH自由基。在伪一阶条件下对每种呋喃使用两种不同的混合物进行测量。测得的速率系数可以用Arrhenius形式表示为：

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来源
《Fuel》 |2016年第15期|245-252|共8页
作者
Elwardany A.; Es-Sebbar Et.; Khaled F.; Farooq A.;
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作者单位

KAUST, Div Phys Sci & Engn, Clean Combust Res Ctr, Thuwal 239556900, Saudi Arabia|Univ Alexandria, Dept Mech Engn, Fac Engn, Alexandria 21544, Egypt;

KAUST, Div Phys Sci & Engn, Clean Combust Res Ctr, Thuwal 239556900, Saudi Arabia;

KAUST, Div Phys Sci & Engn, Clean Combust Res Ctr, Thuwal 239556900, Saudi Arabia;

KAUST, Div Phys Sci & Engn, Clean Combust Res Ctr, Thuwal 239556900, Saudi Arabia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Hydroxyl radical; Furan; 2-Methyl furan; 2,5-Dimethyl furan; Shock tube; Laser absorption;

机译：羟基;呋喃;2-甲基呋喃;2,5-二甲基呋喃;冲击管;激光吸收;

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A chemical kinetic study of the reaction of hydroxyl with furans

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