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Experimental Studies on Flame Stabilization in Backward Facing Step Micro-Combustors
47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit
Premixed fuel-air mixtures are introduced in backward step profile meso-scale quartz combustors. The study of flame stability limits and various shapes of the stabilized flame in micro-combustor were examined using two and three step quartz micro-combustors. Various fuel-air mixtures are used for the experiment. Methane with 99.9% purity and liquid petroleum gas (LPG) having approximately 60% butane and 40% propane were used as fuel. Stable flames were observed to exist for a range of flow ratedoi:10.2514/6.2011-6122 fatcat:ljgliwmsd5bvla46tb65st3rue