Abstract
In this study a LES of propane confined turbulent jet diffusion flame in a cylindrical furnace is performed using Partial Stirred Reactor (PaSR) as combustion model with a 29 species/69 reactions mechanism. In order to speed up simulation, tabulation of the chemistry was done using In Situ Adaptive Tabulation (ISAT) method. NO emissions were estimated in a post-processing way using a nitrogen chemistry sub-mechanism comprising extended Zeldovich, N_2O intermediate, NNH intermediate, prompt and reburning NOx production pathways. On this sub-mechanism, steady-state assumptions were applied to minor radicals considering only a couple of independent reactive species. Results of the finite-rate chemistry PaSR LES were compared to previous experiments and reasonable agreement was obtained.
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