A 5-step reduced mechanism for combustion of CO/H2/H2O/CH4/CO2 mixtures with low hydrogen/methane and high H2O content

被引：59
作者：
Nikolaou, Zacharias Marinou [1 ]
Chen, Jyh-Yuan [2 ]
Swaminathan, Nedunchezhian [1 ]
机构：
[1] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
[2] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA
来源：
COMBUSTION AND FLAME | 2013年 / 160卷 / 01期
关键词：
CO/H-2/H2O/CH4/CO2; Reduced mechanism; Skeletal mechanism; Flame speed; Ignition delay time; Premixed; LAMINAR FLAME SPEEDS; ELEVATED-TEMPERATURES; KINETIC MECHANISMS; H-2/CO MIXTURES; IGNITION; REDUCTION; PRESSURE; ENTHALPY; WATER; CO;
D O I：
10.1016/j.combustflame.2012.09.010
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this study a 5-step reduced chemical kinetic mechanism involving nine species is developed for combustion of Blast Furnace Gas (BFG), a multi-component fuel containing CO/H-2/CH4/CO2, typically with low hydrogen, methane and high water fractions, for conditions relevant for stationary gas-turbine combustion. This reduced mechanism is obtained from a 49-reaction skeletal mechanism which is a modified subset of GRI Mech 3.0. The skeletal and reduced mechanisms are validated for laminar flame speeds, ignition delay times and flame structure with available experimental data, and using computational results with a comprehensive set of elementary reactions. Overall, both the skeletal and reduced mechanisms show a very good agreement over a wide range of pressure, reactant temperature and fuel mixture composition. (C) 2012 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
引用
收藏
页码：56 / 75
页数：20
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