Abstract
Convergence of reacting LES predictions for an aeronautical gas turbine combustion chamber is analysed in terms of mesh resolution. To do so three fully unstructured meshes containing respectively 1.2, 10.6 and 43.9 million tetrahedra are used to compute this fully turbulent reacting flow. Resolution criteria obtained from the mean velocity and reacting fields depict different convergence behaviors. Reacting fields and more specifically combustion regimes are seen to be slightly grid dependent while maintaining mean global combustion quantities.
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Boudier, G., Staffelbach, G., Gicquel, L.Y., Poinsot, T.J. (2008). Mesh Dependency of Turbulent Reacting Large-Eddy Simulations of a Gas Turbine Combustion Chamber. In: Meyers, J., Geurts, B.J., Sagaut, P. (eds) Quality and Reliability of Large-Eddy Simulations. Ercoftac Series, vol 12. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8578-9_26
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DOI: https://doi.org/10.1007/978-1-4020-8578-9_26
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-8577-2
Online ISBN: 978-1-4020-8578-9
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