Effects of N^sub 2^ and CO^sub 2^ dilution on the combustion characteristics of C^sub 3^H^sub 8^/O^sub 2^ mixture in a swirl tubular flame burner

Premixed C3H8/O2 combustion has been investigated by adopting N2, CO2 and their mixture (50% N2-50% CO2 by volume) as the diluents, respectively. The oxygen content (mole fraction) in the oxidizer is varied from 0.13 to 0.35, which covers the operating conditions of EGR and OEC. The flame structures...

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