A system includes a plurality of interconnected mixing assemblies configured to mix a first fuel and water to generate a first mixture, and mix a second fuel and the water to generate a second mixture. The first and second fuel mixtures are configured to combust in a plurality of combustors of a gas
A system includes a plurality of interconnected mixing assemblies configured to mix a first fuel and water to generate a first mixture, and mix a second fuel and the water to generate a second mixture. The first and second fuel mixtures are configured to combust in a plurality of combustors of a gas turbine. The interconnected mixing assemblies include first and second fuel passages, a water passage, first and second mixers, first and second fuel valves, and first and second water valves disposed in an integrated housing. The first fuel valve has a first fuel flow coefficient between approximately 1.0 to 1.5, the second fuel valve has a second fuel flow coefficient between approximately 3.0 to 5.0, the first water valve has a first water flow coefficient between approximately 0.4 to 0.55, and the second water valve has a second water flow coefficient between approximately 3.5 to 5.0.
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1. A system, comprising: a plurality of interconnected valve assemblies disposed at a plurality of different vertical positions, wherein each of the plurality of interconnected valve assemblies comprises: a main fuel inlet port configured to receive a main fuel;a main fuel passage coupled to the mai
1. A system, comprising: a plurality of interconnected valve assemblies disposed at a plurality of different vertical positions, wherein each of the plurality of interconnected valve assemblies comprises: a main fuel inlet port configured to receive a main fuel;a main fuel passage coupled to the main fuel inlet port and configured to route the main fuel to a first mixing tee;a main fuel valve coupled to the main fuel passage, wherein the main fuel valve is configured to adjust a main flow rate of the main fuel and has a main fuel flow coefficient between approximately 3.0 to 5.0;a water inlet port configured to receive water;a water passage coupled to the water inlet port and configured to route the water to the first mixing tee, wherein the first mixing tee is configured to mix the main fuel and the water to generate a main fuel mixture;a main fuel mixture outlet port configured to discharge the main fuel mixture;a first water valve coupled to the water passage, wherein the first water valve is configured to adjust a first water flow rate of the water and has a first water flow coefficient between approximately 3.5 to 5.0, the main fuel valve and the first water valve are proximate to one another;a pilot fuel inlet port configured to receive a pilot fuel;a pilot fuel passage coupled to the pilot fuel inlet port and configured to route the pilot fuel to a second mixing tee;a pilot fuel valve coupled to the pilot fuel passage, wherein the pilot fuel valve is configured to adjust a pilot flow rate of the pilot fuel and has a pilot fuel flow coefficient between approximately 1.0 to 1.5;a second water passage coupled to the water inlet port and configured to route the water to the second mixing tee, wherein the second mixing tee is configured to mix the pilot fuel and the water to generate a pilot fuel mixture;a pilot fuel mixture outlet port configure to discharge the pilot fuel mixture; anda second water valve coupled to the second water passage, wherein the second water valve is configured to adjust a second water flow rate of the water and has a second water flow coefficient between approximately 0.4 to 0.55, the pilot fuel valve and the second water valve are proximate to one another;a fuel manifold having a plurality of fuel outlets, wherein each fuel outlet of the plurality of fuel outlets is coupled to the main fuel inlet port of a respective valve assembly of the plurality of interconnected valve assemblies, and the fuel manifold is configured to provide the main flow rate of the main fuel to each of the plurality of interconnected valve assemblies with variations in the main flow rate based on the plurality of different vertical positions; anda water manifold having a plurality of water outlets, wherein each water outlet of the plurality of water outlets is coupled to the water inlet port of a respective valve assembly of the plurality of interconnected valve assemblies, and the water manifold is configured to provide the first water flow rate of the water to each of the plurality of interconnected valve assemblies with variations in the first water flow rate based on the plurality of different vertical positions. 2. The system of claim 1, wherein a ratio of the first water flow coefficient to the main fuel flow coefficient is between approximately 0.9:1 to 1.15:1. 3. The system of claim 1, wherein a ratio of the second water flow coefficient to the pilot fuel flow coefficient is between approximately 2:1 to 3:1. 4. The system of claim 1, wherein the pilot fuel and the main fuel comprise liquid fuels. 5. The system of claim 1, wherein a first diameter of the main fuel inlet port is greater than a second diameter of the pilot fuel inlet port. 6. The system of claim 1, wherein the main fuel inlet port and water inlet port are disposed on a first side of each of the plurality of interconnected valve assemblies, the main fuel mixture outlet port is disposed on a second side of each of the plurality of interconnected valve assemblies, and the first and second sides of each of the plurality of interconnected valve assemblies are located opposite from one another. 7. The system of claim 1, wherein the first water valve is configured to flow water through the main fuel valve and the main fuel passage to purge the main fuel from the interconnected valve assembly when the main fuel mixture is not being used. 8. The system of claim 1, wherein values of the first water flow coefficient and the main fuel flow coefficient reduce the variations in the main flow rate and reduce the variations in the first water flow rate caused at least partially by the plurality of different vertical positions among the plurality of interconnected valve assemblies. 9. The system of claim 1, wherein a ratio of the first water flow coefficient to the main fuel flow coefficient is selected to reduce the variations in the main flow rate and reduce the variations in the first water flow rate caused at least partially by the plurality of different vertical positions among the plurality of interconnected valve assemblies. 10. The system of claim 1, wherein the fuel manifold and the water manifold are arranged concentrically about an axis. 11. A system, comprising: a plurality of interconnected valve assemblies, wherein each of the plurality of interconnected valve assemblies comprises: a main fuel inlet port configured to receive a main fuel;a main fuel passage coupled to the main fuel inlet port and configured to route the main fuel to a first mixing tee;a main fuel valve coupled to the main fuel passage, wherein the main fuel valve is configured to adjust a main flow rate of the main fuel and has a main fuel flow coefficient between approximately 3.0 to 5.0;a water inlet port configured to receive water;a water passage coupled to the water inlet port and configured to route the water to the first mixing tee, wherein the first mixing tee is configured to mix the main fuel and the water to generate a main fuel mixture;a main fuel mixture outlet port configured to discharge the main fuel mixture;a first water valve coupled to the water passage, wherein the first water valve is configured to adjust a first water flow rate of the water and has a first water flow coefficient between approximately 3.5 to 5.0, the main fuel valve and the first water valve are proximate to one another;a pilot fuel inlet port configured to receive a pilot fuel;a pilot fuel passage coupled to the pilot fuel inlet port and configured to route the pilot fuel to a second mixing tee;a pilot fuel valve coupled to the pilot fuel passage, wherein the pilot fuel valve is configured to adjust a pilot flow rate of the pilot fuel and has a pilot fuel flow coefficient between approximately 1.0 to 1.5;a second water passage coupled to the water inlet port and configured to route the water to the second mixing tee, wherein the second mixing tee is configured to mix the pilot fuel and the water to generate a pilot fuel mixture;a pilot fuel mixture outlet port configure to discharge the pilot fuel mixture; anda second water valve coupled to the second water passage, wherein the second water valve is configured to adjust a second water flow rate of the water and has a second water flow coefficient between approximately 0.4 to 0.55, the pilot fuel valve and the second water valve are proximate to one another. 12. A system, comprising: a plurality of interconnected valve assemblies disposed at a plurality of different vertical positions, wherein each of the plurality of interconnected valve assemblies comprises: a main fuel valve having a main fuel flow coefficient between approximately 3.0 to 5.0;a first water valve having a first water flow coefficient between approximately 3.5 to 5.0;a first mixing region configured to mix a main fuel from the main fuel valve and a water from the first water valve;a pilot fuel valve having a pilot fuel flow coefficient between approximately 1.0 to 1.5;a second water valve having a second water flow coefficient between approximately 0.4 to 0.55; anda second mixing region configured to mix a pilot fuel from the pilot fuel valve and the water from the second water valvewherein each of the plurality of interconnected valve assemblies is configured to receive the main fuel with a variation in a main flow rate based on the plurality of different vertical positions; andwherein each of the plurality of interconnected valve assemblies is configured to receive the water with a variation in a first water flow rate based on the plurality of different vertical positions. 13. The system of claim 12, comprising: a fuel manifold coupled to the plurality of interconnected valve assemblies, wherein the fuel manifold is configured to provide the main flow rate of the main fuel to each of the plurality of interconnected valve assemblies with the variation in the main flow rate based on the plurality of different vertical positions; anda water manifold coupled to the plurality of interconnected valve assemblies, wherein the water manifold is configured to provide the first water flow rate of the water to each of the plurality of interconnected valve assemblies with the variation in the first water flow rate based on the plurality of different vertical positions. 14. The system of claim 12, wherein values of the first water flow coefficient and the main fuel flow coefficient reduce the variation in the main flow rate and reduce the variation in the first water flow rate caused at least partially by the plurality of different vertical positions among the plurality of interconnected valve assemblies.
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