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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 LEAN PREMIXED LOW SWIRL BURNER

pages 1287-1292
DOI: 10.1615/TSFP6.2050
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ABSTRACT

Flow filed and flame front dynamics of a low swirl burner are investigated using numerical tools. Large eddy simulation and a flame capturing combustion model are applied to predict the flow field and the flame structure on two different computational domains and the results are compared to experimental data in order to recognize the most important phenomena in flame stabilization and dynamics. Investigations show that the flame dynamics are resulted from the large scale turbulence generated at the inlet of the fuel/air mixture and physical results are only attainable if this turbulence is generated in simulations by some means.

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