volume 150, issue 4, P277-291 2007
DOI: 10.1016/j.combustflame.2007.01.011
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Abstract: In this study, flame dynamics of secondary fuel injection control is investigated by large eddy simulation (LES) in a lean premixed combustor to elucidate the experimental two-stage oscillation suppression phenomenon. Without secondary fuel injection, large-amplitude longitudinal oscillations were observed in the experiment. With constant injection of secondary fuel, the oscillation amplitude was reduced and with harmonic feedback injection, it was further reduced. In this process, the flame shape and the dyn…

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