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Sixth International Symposium on Turbulence and Shear Flow Phenomena
June, 22-24, 2009 , Seoul National University, Seoul, Korea

DOI: 10.1615/TSFP6

LARGE EDDY SIMULATION OF A TURBULENT JET FLAME

pages 923-928
DOI: 10.1615/TSFP6.1480
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要約

A Large eddy simulation of a turbulent reacting round jet (Sandia Flame D) was performed. The sub-grid stress arising out of non-linearities of the governing equations were modeled using the explicit filtering approach. A posteriori comparisons with benchmark experiments indicate that the explicit filtering method suffices to model the effect of subgrid stress on the filtered velocity field for non-reacting flow. However, in the presence of reaction the sub-grid scale effects arising from the strong non-linearity of the reaction rate is poorly accounted for, leading to a discrepancy between experiment and simulation.

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