A turbomachine includes a compressor, a combustor operatively connected to the compressor, an end cover mounted to the combustor, and an injection nozzle assembly operatively connected to the combustor. The injection nozzle assembly includes a cap member having a first surface that extends to a seco
A turbomachine includes a compressor, a combustor operatively connected to the compressor, an end cover mounted to the combustor, and an injection nozzle assembly operatively connected to the combustor. The injection nozzle assembly includes a cap member having a first surface that extends to a second surface. The cap member further includes a plurality of openings. A plurality of bundled mini-tube assemblies are detachably mounted in the plurality of openings in the cap member. Each of the plurality of bundled mini-tube assemblies includes a main body section having a first end section and a second end section. A fluid plenum is arranged within the main body section. A plurality of tubes extend between the first and second end sections. Each of the plurality of tubes is fluidly connected to the fluid plenum.
대표청구항▼
1. A turbomachine comprising: a compressor;a combustor operatively connected to the compressor;an end cover mounted to the combustor; andan injection nozzle assembly operatively connected to the combustor, the injection nozzle assembly including:a cap member including a first surface portion that ex
1. A turbomachine comprising: a compressor;a combustor operatively connected to the compressor;an end cover mounted to the combustor; andan injection nozzle assembly operatively connected to the combustor, the injection nozzle assembly including:a cap member including a first surface portion that extends to a second surface, and a plurality of openings, each of the plurality of openings extending through the cap member; anda plurality of bundled mini-tube assemblies detachably and directly mounted in respective ones of the plurality of openings in the cap member, each of the plurality of bundled mini-tube assemblies including a main body section including a first end section and a second end section, a fluid plenum arranged within the main body section, and a plurality of tubes extending between the first and second end sections, each of the plurality of tubes including at least one opening fluidly connected to the fluid plenum wherein, the plurality of bundled mini-tube assemblies are arranged on the cap member in an annular array, wherein the plurality of bundled mini-tube assemblies are arranged on the cap member in an annular array that extends circumferentially about a central bundled mini-tube assembly. 2. The turbomachine according to claim 1, wherein each of the plurality of bundled mini-tube assemblies includes a central receiving port, the central receiving port being fluidly connected to the fluid plenum. 3. The turbomachine according to claim 2, wherein the injection nozzle assembly includes a plurality of fluid tubes, each of the plurality of fluid tubes extending between the end cover and the central receiving port on respective ones the plurality of bundled mini-tube assemblies. 4. The turbomachine according to claim 1, wherein the at least one opening in each of the plurality of tubes is formed adjacent the second end section of the main body section. 5. The turbomachine according to claim 1, wherein the at least one opening in each of the plurality of tubes is formed adjacent the first end section of the main body section. 6. The turbomachine according to claim 1, wherein the at least one opening in each of the plurality of tubes is formed substantially centrally within the main body section. 7. An injection nozzle assembly for a turbomachine, the injection nozzle comprising: a cap member including a first surface that extends to a second surface, and a plurality of openings, each of the plurality of openings extending through the cap member; anda plurality of bundled mini-tube assemblies detachably mounted in respective ones of the plurality of openings in the cap member, each of the plurality of bundled mini-tube assemblies including a main body section having a first end section and a second end section, a fluid plenum arranged within the main body section, and a plurality of tubes extending between the first and second end sections, each of the plurality of tubes including at least one opening fluidly connected to the fluid plenum, wherein the plurality of bundled mini-tube assemblies are arranged on the cap member in an annular array that extends circumferentially about a central bundled mini-tube assembly. 8. The injection nozzle assembly according to claim 7, wherein each of the plurality of bundled mini-tube assemblies includes a central receiving port, the central receiving port being fluidly connected to the fluid plenum. 9. The injection nozzle assembly to claim 8, wherein the injection nozzle assembly includes a plurality of fluid tubes, each of the plurality of fluid tubes extending between an end cover of the turbomachine and the central receiving port on respective ones the plurality of bundled mini-tube assemblies. 10. The injection nozzle assembly to claim 7, wherein the at least one opening in each of the plurality of tubes is formed adjacent the second end section of the main body section. 11. The injection nozzle assembly to claim 7, wherein the at least one opening in each of the plurality of tubes is formed adjacent the first end section of the main body section. 12. The injection nozzle assembly according to claim 7, wherein the at least one opening in each of the plurality of tubes is formed substantially centrally within the main body section. 13. The injection nozzle assembly according to claim 7, wherein one of the plurality of bundled mini-tube assemblies includes a plurality of tubes in which the at least one opening is formed adjacent the second end section of the main body section, and another of the plurality of bundled mini-tube assemblies includes a plurality of tubes in which the at least one opening is formed at one of the first end section of the main body section. 14. A method of forming a combustible mixture in an injection nozzle assembly including a cap member, the method comprising: guiding a first fluid toward a plurality of bundled mini-tube assemblies detachably mounted in the cap member, each of the plurality of bundled mini-tube assemblies including a main body section including a first end section and a second end section and a plurality of tubes extending through the main body section, the plurality of bundled mini-tube assemblies being arranged on the cap member in an annular array that extends circumferentially about a central bundled mini-tube assembly;passing the first fluid through the plurality of tubes in each of the plurality of bundled mini-tube assemblies;guiding a second fluid into a plenum arranged in respective ones of each of the plurality of bundled mini-tube assemblies;passing the second fluid from the plenum into the plurality of tubes in each of the plurality of bundled mini-tube assemblies to form a fuel/air mixture comprising the first and second fluids; anddischarging the fuel/air mixture from each of the plurality of bundled mini-tube assemblies into a turbomachine combustor. 15. The method of claim 14, wherein guiding a second fluid into the plenum comprises guiding the fluid into a central receiving port arranged on each of the plurality of bundled multi-tube assemblies, the central receiving port being fluidly connected to the fluid plenum. 16. The method of claim 15, further comprising: introducing the second fluid into a plurality of fluid tubes, each of the plurality of fluid tubes extending between an end cover of the turbomachine and the central receiving port on respective ones the plurality of bundled mini-tube assemblies. 17. The method of claim 14, further comprising: forming a lean direct injection of fuel and air by passing the second fluid through an opening provided adjacent the second end section of the main body in each of the plurality of tubes. 18. The method of claim 14, further comprising: forming a more fully pre-mixed mixture of fuel and air by passing the second fluid through an opening provided adjacent the first end section of the main body in each of the plurality of tubes. 19. The method of claim 14, further comprising: forming a partially pre-mixed mixture of the first and second fluids by passing the second fluid through an opening provided substantially centrally in each of the plurality of tubes. 20. A turbomachine comprising: a compressor;a combustor operatively connected to the compressor;an end cover mounted to the combustor; andan injection nozzle assembly operatively connected to the combustor, the injection nozzle assembly including:a cap member including a first surface portion that extends to a second surface, and a plurality of openings, each of the plurality of openings extending through the cap member; anda plurality of bundled mini-tube assemblies detachably and directly mounted in respective ones of the plurality of openings in the cap member, each of the plurality of bundled mini-tube assemblies including a main body section including a first end section and a second end section, a fluid plenum arranged within the main body section, and a plurality of tubes extending between the first and second end sections, each of the plurality of tubes including at least one opening fluidly connected to the fluid plenum wherein, the plurality of bundled mini-tube assemblies are arranged on the cap member in an annular array, wherein one of the plurality of bundled mini-tube assemblies includes a plurality of tubes in which the at least one opening is formed adjacent the second end section of the main body section, and another of the plurality of bundled mini-tube assemblies includes a plurality of tubes in which the at least one opening is formed at one of the first end section of the main body section.
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