Simplified diffusion model for detailed and reduced reaction mechanisms

R.L.G.M. Eggels, L.M.T. Somers, L.P.H. Goey, de

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

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Samenvatting

A diffusion model is proposed, which simplifies the application of reduced reaction mechanisms considerably, whereas the results agree well with computations using a more detailed constant Lewis number diffusion model. Results are presented for one-dimensional premixed burner-stabilized flames using methane/air and hydrogen/air mixtures. The diffusion model is based on unit Lewis number assumptions for most of the species. Only for H and H2 non-unit Lewis numbers are applied. As a result, the mass fractions of the elements do not change in the °ame, which implies that these element mass fractions do not have to be taken into account as additional degrees of freedom for reduced reaction mechanisms.
Originele taal-2Engels
TitelProceedings of the third Workshop on Modelling of Chemically Reacting Systems
RedacteurenJ. Warnatz, F. Berendt
StatusGepubliceerd - 1997

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