A rapid compression machine study of the low temperature combustion of cyclohexane at elevated pressures

被引：43
|
作者：
Vranckx, S. [1 ]
Lee, C. [1 ]
Chakravarty, K. [1 ]
Fernandes, R. X. [1 ]
机构：
[1] Rhein Westfal TH Aachen, D-52056 Aachen, Germany
来源：
PROCEEDINGS OF THE COMBUSTION INSTITUTE | 2013年 / 34卷
关键词：
Reaction kinetics; Cyclohexane; Auto-ignition; Rapid-compression-machine; High-pressure; SHOCK-TUBE; OXIDATION; AUTOIGNITION; CYCLOPENTANE;
D O I：
10.1016/j.proci.2012.06.071
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Ignition delay times have been measured in a rapid compression machine for cyclohexane/O-2/N-2/Ar mixtures with equivalence ratios of 0.5, 1.0 and 2.0 at elevated pressures of up to 40 bar and temperatures between 680 and 910 K. These data clearly show the negative-temperature-coefficient behavior for cyclohexane in the temperature range investigated. The predictions of several detailed kinetic models are compared to these new experimental validation data and these mechanisms have been analyzed to explain the obtained differences with a focus on the crucial peroxy-chemistry of the primary radicals. The presented data are the first set of ignition delay times at elevated pressures for the low-temperature range. (C) 2012 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
引用
收藏
页码：377 / 384
页数：8
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