Scale Adaptive Simulation of a thermoacoustic instability in a partially premixed lean swirl combustor

@article{Lourier2017ScaleAS,
  title={Scale Adaptive Simulation of a thermoacoustic instability in a partially premixed lean swirl combustor},
  author={Jean-Michel Lourier and M. St{\"o}hr and B. Noll and S. Werner and A. Fiolitakis},
  journal={Combustion and Flame},
  year={2017},
  volume={183},
  pages={343-357}
}
Abstract The thermoacoustic oscillation of a turbulent, swirl-stabilized, partially premixed flame in the PRECCINSTA gas turbine model combustor is analyzed by means of a Scale Adaptive Simulation (SAS) method. In the critical regions of the combustor, the SAS features a fine spatial resolution and thus corresponds to a Large Eddy Simulation (LES). Two combustion models are applied, a simple eddy dissipation model and a detailed finite rate chemistry (FRC) model. A previous LES for the same… Expand
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