One-Dimensional Turbulence-based closure for turbulent non-premixed flames
by Bhargav Ranganath, Tarek Echekki
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 6, No. 7, 2006

Abstract: A new One-Dimensional Turbulence (ODT) based closure model for turbulent non-premixed flames is proposed. The model is based on the tabulation of scalar statistics based on two parameters, which measure the extent of mixing and entrainment. The table is generated using different realisations of stand-alone ODT simulations of turbulent jet diffusion flames. The table look-up process is coupled with a Reynolds-Averaged Navier-Stokes (RANS) computation. The scope of the ODT formulation is to predict thermo-chemical scalars statistics in sample space; while its coupling with RANS reproduces these statistics in 3D space. The resulting formulation yields reasonably good agreement with experimental data.

Online publication date: Fri, 22-Sep-2006

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