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Second Symposium on Turbulence and Shear Flow Phenomena
June, 27-29, 2001, KTH, Stockholm, Sweden

DOI: 10.1615/TSFP2

LES OF SPRAY COMBUSTION IN COMPRESSIBLE HIGH REYNOLDS NUMBER SWIRLING FLOWS

pages 303-308
DOI: 10.1615/TSFP2.2140
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SINOPSIS

Large-Eddy Simulation (LES) has been used to simulate spray combustion in a gas-turbine combustor using a two-phase formulation that accounts for full two-way coupling between gas and liquid phase. Effect of heat release is also included in this study. Results show that droplets tend to accumulate in low vorticity regions. However, the vaporized fuel gets entrained by the vortices and this process enhances the combustion process. Significant modulation of the turbulence in the shear layers is observed due to the presence of both non-vaporizing and vaporizing droplets.

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