Methodology for the numerical prediction of soot formation in turbulent reactive flows and application to aircraft engine combustors
by Francis Dupoirieux; Nicolas Bertier
International Journal of Sustainable Aviation (IJSA), Vol. 2, No. 1, 2016

Abstract: A strategy to simulate the soot formation in GT combustors is proposed: It is based on LES simulations using a tabulated chemistry and the soot model of Leung. The tabulated chemistry and the relative simplicity of the Leung model give rise to reasonable CPU times. In a first time, this strategy is applied to a burner working with gaseous fuel (ethylene) and experimentally studied by DLR. Good agreement between simulation and experiment is obtained for the temperature and the soot volume fraction. This strategy has been then applied to the TLC burner working with liquid kerosene and experimentally studied by ONERA and DLR. It was possible to recover by the calculation the shape of the soot volume fraction field obtained by the LII measurements. However, because of the temperature overestimate the quantitative level of soot given by the LES is too high compared to the experiment.

Online publication date: Fri, 22-Apr-2016

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