A method and arrangement for expanding a primary and secondary flame in a combustor

摘要

Disclosed is an arrangement (42) for expanding an annular fluid flow (34) and a center fluid flow (36), comprising a combustor (12) including a venturi (22) and a centerbody (24), the centerbody (24) including an upstream end (30) and a downstream end (32), and a venturi throat (28) defined by the venturi (22) and disposed upstream of 19 inches downstream of the downstream end (32) of the centerbody (24).