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LOCATION, MODEL AND CONFIGURATION OF THE COOLING HOLES OF THE PLAN OF SUSPENSION OF A TURBINE FIN
LOCATION, MODEL AND CONFIGURATION OF THE COOLING HOLES OF THE PLAN OF SUSPENSION OF A TURBINE FIN
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机译:涡轮翅片悬挂计划的冷却孔的位置,模型和配置
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摘要
First, second and third sets of cooling holes are provided in a turbine airfoil. The first set of holes adjacent a leading edge have turbulators commencing at a predetermined distance from the root of the airfoil and terminating short of the airfoil tip. A second set of cooling holes have turbulators commencing at a greater distance from the platform than the turbulators of the first set and terminating short of the airfoil tip at a greater distance from the tip than the turbulators of the first set of holes. A third set of holes adjacent the trailing edge has smooth bores. The size, location, style and configuration of the cooling holes increases bulk creep part life and overall efficiency of the turbine.
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