Study of a diffusion flamelet model, with preferential diffusion effects included

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Abstract

The non-premixed flamelet model of Peters [1] (model1), which does not include preferential diffusion effects is investigated. Two similar models are presented, but without the assumption of unity Lewis numbers. One of these models was derived by Peters & Pitsch [2] (model2), while the other one was derived by Delhaye [3] (model3). A numerical analysis shows that preferential diffusion effects can not be neglected a-priori when more realistic Lewisnumbers are considered. Furthermore, two models for the scalar dissipation rate are investigated, and it is shown that density variations are important.
Original languageEnglish
Title of host publicationProceedings of the European Combustion Meeting : Louvain-la-Neuve, Belgium, April 3 - 6, 2005
EditorsV. Dias
Place of PublicationBelgium, Louvain-la-Neuve
Publication statusPublished - 2005

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