Internal cooling circuit for gas turbine bucket
Patent
·
OSTI ID:1175532
In a gas turbine bucket having a shank portion and an airfoil portion having leading and trailing edges and pressure and suction sides, an internal cooling circuit, the internal cooling circuit having a serpentine configuration including plural radial outflow passages and plural radial inflow passages, and wherein a coolant inlet passage communicates with a first of the radial outflow passages along the trailing edge, the first radial outflow passage having a plurality of radially extending and radially spaced elongated rib segments extending between and connecting the pressure and suction sides in a middle region of the first passage to prevent ballooning of the pressure and suction sides at the first radial outflow passage.
- Research Organization:
- General Electric Company, Schenectady, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC21-95MC31176
- Assignee:
- General Electric Company (Schenectady, NY)
- Patent Number(s):
- 6,957,949
- Application Number:
- 09/777,998
- OSTI ID:
- 1175532
- Country of Publication:
- United States
- Language:
- English
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