Experimental and modeling studies of a rich H{sub 2}/CO/N{sub 2}O/Ar flame

Journal Article · Sun Jun 01 04:00:00 EDT 1997 · Combustion and Flame

DOI:https://doi.org/10.1016/S0010-2180(97)00055-2· OSTI ID:543422

Vandooren, J; Van Tiggelen, P J ^[1]; Pauwels, J F ^[2]

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1. Univ. Catholique de Louvain, Louvain-la-Neuve (Belgium). Lab. de Physico-Chimie de la Combustion
2. Univ. des Sciences et Technologies de Lille, Villeneuve d`Ascq (France). Lab. de Cinetique et Chimie de la Combustion

Using molecular beam mass spectrometry, the structure of a rich, premixed, flat flame of H{sub 2} + CO + N{sub 2}O + Ar ({phi} = 1.19) has been established at 30 torr. Three different mechanisms have been tested to model the flame, with good agreement between calculated and experimental results. It has been demonstrated that the main reaction consuming N{sub 2}O is N{sub 2}O + H {yields} N{sub 2} + OH, while the dissociation reaction: N{sub 2}O + M {yields} N{sub 2} + O + M operates like a branching reaction by generating O atoms. The reaction N{sub 2}O + H {yields} NH + NO is the main process producing NO. Two of the mechanisms simulate the concentration profile of NO well. As for the processes CO + OH {yields} CO{sub 2} + H and CO + N{sub 2}O {yields} CO{sub 2} + N{sub 2}, only the first plays a significant role in the conversion of CO.

• OSTI ID: 543422
• Journal Information: Combustion and Flame, Journal Name: Combustion and Flame Journal Issue: 4 Vol. 109; ISSN CBFMAO; ISSN 0010-2180
• Country of Publication: United States
• Language: English

Related Subjects

08 HYDROGEN
ARGON
CARBON MONOXIDE
COMBUSTION KINETICS
FLAMES
HYDROGEN FUELS
MATHEMATICAL MODELS
MORPHOLOGY
NITROUS OXIDE