Large eddy simulation of combustion processes under gas turbine conditions
by B. Wegner, A. Kempf, C. Schneider, A. Sadiki, M. Schafer
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 4, No. 3/4/5, 2004

Abstract: The method of large eddy simulation (LES) has a high potential to accurately predict complex turbulent flows. Gas turbine combustion systems feature a number of phenomena interacting with each other such as swirl with recirculation, complex turbulent mixing and combustion of premixed, non-premixed as well as partially premixed nature. We therefore tend to approach the simulation of real gas turbine combustors step by step. The aim of this paper is to document some of the progress made at EKT in assessing the capability of LES in flows separately exhibiting distinct features of gas turbine combustors. Some results from two configurations are presented and discussed: a non-confined isothermal swirl flow with precessing vortex core and a non-premixed bluff-body flame.

Online publication date: Mon, 10-May-2004

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