Low-dimensional manifolds in direct numerical simulations of autoigniting mixing layers

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Abstract

Direct numerical simulation of autoigniting mixing layers are performed to investigate the turbulence chemistry interaction in jet-in-hot-coflow flames. The results of these simulations with a skeletal reaction model are analyzed in composition space. The ignition process appears to follow a low-dimensional manifold that can be parameterized by mixture fraction and a reaction progress variable.
Original languageEnglish
Title of host publicationProceedings of the Fourth International Workshop on Model Reduction in Reacting Flows (IWMRRF), 19-21 June 2013, San Francisco, California
Publication statusPublished - 2013

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