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2018 | OriginalPaper | Chapter

Modeling and Analysis of the Interactions of Coherent Structures with a Spray Flame in a Swirl Burner

Authors : L. Guedot, G. Lartigue, V. Moureau

Published in: Turbulence and Interactions

Publisher: Springer International Publishing

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Abstract

With the constant increase in super-computing power, Large-Eddy Simulation (LES) has become an important tool for the modeling and the understanding of flame dynamics in complex burners. A fine description of the reaction layers in such devices requires fine meshes and the resolution of a broad range of turbulent scales. Unfortunately, extracting the large-scale features is not trivial. To this aim, implicit high-order filters that are based on simple low-order finite-volume operators have been proposed. These filters are applied in the LES of the MERCATO burner in order to study the complex interactions of the Precessing-Vortex Core, a large vortex typical of swirl burners, and a spray flame. High-order filters conveniently enable the analysis of the flame anchoring and its dynamics in the wake of the PVC.

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Metadata
Title
Modeling and Analysis of the Interactions of Coherent Structures with a Spray Flame in a Swirl Burner
Authors
L. Guedot
G. Lartigue
V. Moureau
Copyright Year
2018
DOI
https://doi.org/10.1007/978-3-319-60387-2_2

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