Flame propagation patterns and local flame features of an annular combustor with multiple centrally staged swirling burners
In this paper, the transient ignition process of an annular combustor with 16 centrally staged
swirling burners is experimentally investigated to study the mechanism of burner–burner
flame propagation. The flame propagation patterns are studied by high-speed imaging.
Three typical patterns of the burner–burner flame propagation are identified: the kindled-
swirling pattern, entrained-swirling pattern, and sweeping pattern. The patterns are featured
with different flame paths of motion. For fixed flow rates, the paths of motion are mainly …
swirling burners is experimentally investigated to study the mechanism of burner–burner
flame propagation. The flame propagation patterns are studied by high-speed imaging.
Three typical patterns of the burner–burner flame propagation are identified: the kindled-
swirling pattern, entrained-swirling pattern, and sweeping pattern. The patterns are featured
with different flame paths of motion. For fixed flow rates, the paths of motion are mainly …
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