Modeling of Pollutant Formation near Lean Blow-Out in Gas Turbine Engines
作者： G. Eggenspieler , S. Menon
DOI: 10.1007/978-1-4020-2313-2_38
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摘要: Large Eddy Simulation (LES) of turbulent premixed combustion close to Lean Blow Out (LBO) in a gas turbine engine has been performed. Combustion near LBO is shown occur the broken reaction zone regime where classical flamelet assumption breaks down. A subgrid model based on linear-eddy mixing (LEM) implemented simulate over wide range operational conditions, including LBO. Pollutant (CO and NO) formation predicted using transport models compared with data operating conditions. It that inclusion unburned hydrocarbons (UHC) due local quenching very important prediction CO emission.
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