Journal
FLOW TURBULENCE AND COMBUSTION
Volume 90, Issue 2, Pages 449-469Publisher
SPRINGER
DOI: 10.1007/s10494-012-9416-x
Keywords
Large Eddy Simulation; Two-phase flow; Evaporation; Injection; Combustion; Multipoint burner
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Funding
- European Community within the Marie Curie Initial Training Network [210781-2]
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Because of compressibility criteria, fuel used in aeronautical combustors is liquid. Their numerical simulation therefore requires the modeling of two-phase flames, involving key phenomena such as injection, atomization, polydispersion, drag, evaporation and turbulent combustion. In the present work, particular modeling efforts have been made on spray injection and evaporation, and their coupling to turbulent combustion models in the Large Eddy Simulation (LES) approach. The model developed for fuel injection is validated against measurements in a non-evaporating spray in a quiescent atmosphere, while the evaporation model accuracy is discussed from results obtained in the case of evaporating isolated droplets. These models are finally used in reacting LES of a multipoint burner in take-off conditions, showing the complex two-phase flame structure.
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