Bundled tube fuel nozzle

摘要

A bundled tube fuel nozzle includes a fuel distribution body. The fuel distribution body includes a substantially flat aft wall having an inner surface axially spaced from an outer surface, a fuel stem collar axially spaced from the inner surface of the aft wall and a contoured forward wall that extends between the fuel stem collar and the aft wall. The contoured forward wall and the aft wall define a fuel plenum within the fuel distribution body. The bundled tube fuel nozzle further includes a plurality of injector tubes that are in fluid communication with the fuel plenum. Each injector tube extends from the contoured forward wall to the aft wall within the fuel distribution body and defines a premix passage through the contoured forward, the fuel plenum and the aft wall.

主权项

1. A bundled tube fuel nozzle, comprising;
a fuel distribution body, the fuel distribution body comprising: an aft wall having an inner surface axially spaced from an outer surface; a fuel stem collar axially spaced from the inner surface of the aft wall; a contoured forward wall that extends between the fuel stem collar and the aft wall, wherein the contoured forward wall undulates circumferentially between the fuel stem collar and the aft wall wherein the contoured forward wall and the aft wall define a fuel plenum within the fuel distribution body, wherein the fuel plenum undulates with the contoured forward wall; and a plurality of injector tubes in fluid communication with the fuel plenum, each injector tube extending from the contoured forward wall to the aft wall, each injector tube defining a premix passage through the contoured forward wall, the fuel plenum and the aft wall.