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LAST TURBINE ROTOR DISK FOR A GAS TURBINE, ROTOR FOR A GAS TURBINE COMPRISING SUCH LAST TURBINE ROTOR DISK AND GAS TURBINE COMPRISING SUCH ROTOR
LAST TURBINE ROTOR DISK FOR A GAS TURBINE, ROTOR FOR A GAS TURBINE COMPRISING SUCH LAST TURBINE ROTOR DISK AND GAS TURBINE COMPRISING SUCH ROTOR
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机译:燃气轮机的末级涡轮转子盘,包括这种末级涡轮机转子盘的燃气轮机转子和包含这种转子的燃气轮机
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摘要
A gas turbine having a compressor section provided with a plurality of compressor blades and vanes for compressing air; a combustion section; a turbine section a rotor having an axis and extending from a compressor section to the turbine section for supporting the compressor and turbine blades, the rotor having a last rotor disk having a downstream portion for supporting a bearing cover and an upstream portion for supporting a last turbine blade; and a cooling duct system configured for supplying cooling air from a downstream end of the turbine section to the last turbine blade passing inside the last rotor disk, and having an axial bore in the downstream portion of the last rotor disk along the rotor axis; and a first plurality of inclined radial bores in the upstream portion of the last rotor disk off the axis.
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