INJECTION NOZZLE ASSEMBLY FOR A GAS TURBOMACHINE

摘要

An injection nozzle assembly includes a nozzle body having an outer surface and an inner surface that defines a flow passage, and a center body arranged within the nozzle body and extending along the flow passage. The center body includes a first end that extends to a tip portion through an intermediate portion that defines a fluid passage. The intermediate portion includes a first outer dimension and the tip portion includes a second outer dimension that is distinct from the first outer dimension. The center body includes a plurality of grooves that extend axially along the tip portion.