Flame Stabilization of a Premixed Jet in Vitiated Coflow

Tyler Owens
Premixed staged combustion in gas turbine engines can reduce emissions by lowering peak flame temperatures but can also lead to different stability characteristics when compared to traditional combustors. High pressure ratio and subsequently high temperatures can lead to conditions suitable for both autoignition and premixed flame propagation in an environment where spatial fuel/air variations are present. An experimental facility which issues a premixed jet into a coflowing vitiated mixture was studied to examine the stability...
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