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정대로(Daero Jung),허강열(Kang Y. Huh) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
Present Study is concerned with simulation of three dimensional, turbulent swirling flow characteristics of a small gas turbine combustor operating on methane/air under non-reacting and reacting conditions. The combustor geometry of a 60 degree sector is modeled with all important details such as air swirler, vane passages and liner holes. The realizable k-e model is employed to reproduce mean reacting and non-reacting turbulent field of the swirl flow. Reacting scalar fields are calculated by fast chemistry assumption with the EBU(Eddy Break-Up) model and PPDF(Presumed Probability Density Function) model for turbulence and chemistry interaction.