Experimental study of the kinetics of ethanol pyrolysis and oxidation behind reflected shock waves and in laminar flames

被引：60

作者：

Aghsaee, M. ^{[1
]}

Nativel, D. ^{[2
]}

Bozkurt, M. ^{[1
]}

Fikri, M. ^{[1
]}

Chaumeix, N. ^{[2
]}

Schulz, C. ^{[1
]}

机构：

[1] Univ Duisburg Essen, Inst Combust & Gas Dynam React Fluids, IVG, Duisburg, Germany

[2] CNRS, INSIS, ICARE, F-45071 Orleans, France

来源：

PROCEEDINGS OF THE COMBUSTION INSTITUTE | 2015年 / 35卷

关键词：

Ethanol; Detailed kinetics mechanism; Shock tube; Ignition delay time; Laminar flame speed; PRESSURE FLOW REACTOR; BURNING VELOCITY; TEMPERATURE-DEPENDENCE; THERMAL-DECOMPOSITION; SPHERICAL FLAMES; SIMPLE ALCOHOLS; TUBE; COMBUSTION; MIXTURES; OH;

D O I：

10.1016/j.proci.2014.05.063

中图分类号：

O414.1 [热力学];

学科分类号：

070201 [理论物理];

摘要：

The pyrolysis and oxidation of ethanol mixtures at high temperature is studied in a shock tube in the 1047-2518 K range at initial pressures of 1.06 and 2.07 bar. Pyrolysis and oxidation intermediates were investigated with high-repetition-rate time-of-flight mass spectrometry (TOF-MS). Ignition delay times were determined from chemiluminescence measurements and the OH concentration was determined with high time resolution from ring dye laser absorption measurements. Laminar flame speeds of ethanol in air were measured in a spherical bomb for initial temperatures between 318 and 473 K at 1, 2, and 5 bar and for equivalence ratios from 0.7 to 1.5. The measurements were compared to simulations based on various mechanisms from the literature. This comparison showed that the mechanism developed by Ranzi et al. (2012) provides the best agreement with the measured data for ethanol oxidation at high temperature. (C) 2014 Published by Elsevier Inc. on behalf of The Combustion Institute.

引用

页码：393 / 400

页数：8

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