Bucket assembly for turbine system
A bucket assembly for a turbine system is disclosed. The bucket assembly includes a main body having an exterior surface and defining a main cooling circuit, and a platform surrounding the main body and at least partially defining a platform cooling circuit. The platform includes a forward portion and an aft portion each extending between a pressure side slash face and a suction side slash face. The platform further includes a forward face, an aft face, and a top face. The bucket assembly further includes a passage defined in the aft portion of the platform. The passage is in fluid communication with one of the main cooling circuit or the platform cooling circuit.
1. A bucket assembly for a turbine system, comprising:
a main body having an exterior surface and defining a main cooling circuit;
a platform surrounding the main body and at least partially defining a platform cooling circuit, the platform comprising a forward portion and an aft portion each extending between a pressure side slash face and a suction side slash face and further comprising a forward face, an aft face, and a top face; and
a passage defined in the aft portion of the platform and in fluid communication with the platform cooling circuit.
2. The bucket assembly of claim 1 , wherein the passage extends adjacent to the aft face.
3. The bucket assembly of claim 1 , wherein the passage extends generally parallel to the aft face.
4. The bucket assembly of claim 1 , wherein the passage extends from the suction side slash face.
5. The bucket assembly of claim 1 , further comprising an exhaust passage defined in the platform and in fluid communication with the passage.
6. The bucket assembly of claim 5 , wherein an outlet of the exhaust passage is defined in the top face of the platform.
7. The bucket assembly of claim 5 , wherein an outlet of the exhaust passage is defined in the suction side slash face of the platform.
8. The bucket assembly of claim 5 , further comprising a plurality of exhaust passages.
9. The bucket assembly of claim 1 , wherein the main body comprises an airfoil and a shank, the airfoil positioned radially outward from the shank.
10. A turbine system, comprising:
a compressor;
a turbine coupled to the compressor; and
a plurality of bucket assemblies disposed in at least one of the compressor or the turbine, at least one of the bucket assemblies comprising:
a main body having an exterior surface and defining a main cooling circuit;
a platform surrounding the main body and at least partially defining a platform cooling circuit, the platform comprising a forward portion and an aft portion each extending between a pressure side slash face and a suction side slash face and further comprising a forward face, an aft face, and a top face; and
a passage defined in the aft portion of the platform and in fluid communication with the platform cooling circuit.
11. The turbine system of claim 10 , wherein the passage extends adjacent to the aft face.
12. The turbine system of claim 10 , wherein the passage extends generally parallel to the aft face.
13. The turbine system of claim 10 , wherein the passage extends from the suction side slash face.
14. The turbine system of claim 10 , further comprising an exhaust passage defined in the platform and in fluid communication with the passage.
15. The turbine system of claim 14 , wherein an outlet of the exhaust passage is defined in the top face of the platform.
16. The turbine system of claim 14 , wherein an outlet of the exhaust passage is defined in the suction side slash face of the platform.
17. The turbine system of claim 14 , further comprising a plurality of exhaust passages.
18. The turbine system of claim 10 , wherein the main body comprises an airfoil and a shank, the airfoil positioned radially outward from the shank.