Large eddy simulation of a partially-premixed gas turbine model combustor
作者： Yee Chee See , Matthias Ihme
DOI: 10.1016/J.PROCI.2014.08.006
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摘要: Abstract Large-eddy simulations of a dual-swirl gas turbine model combustor (GTMC) are performed. This burner was experimentally studied by Meier et al. (2006), and is operated in the partially-premixed combustion regime. Two different LES-combustion formulations employed to separately investigate modeling strategies for representing regime turbulence/chemistry interaction. A prior analysis conducted examine accuracy describing turbulent inside this terms premixed or non-premixed flamelet solutions. Modeling results from three LES computations compared with measurements velocity, temperature, species-mass fractions CO2, CO, H2. Overall, simulation results, obtained flamelet/progress-variable (FPV) premixed-based filtered tabulated chemistry (F-TACLES) formulation, good agreement experimental data. It shown that flow-field structure exhibits sensitivity representation result flame wrinkling at lifted base nozzle-near region.
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