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Turbine bucket for a turbomachine and method of reducing bow wave effects at a turbine bucket
Turbine bucket for a turbomachine and method of reducing bow wave effects at a turbine bucket
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机译:用于涡轮机的涡轮叶片以及减少涡轮叶片上的弓形波影响的方法
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摘要
A turbine bucket for a turbomachine includes a main body portion having a base portion and an airfoil portion, the base portion includes a bucket cavity forward region and a shank cavity. The turbine bucket also includes a cooling channel that extends through the main body portion. At least one flow passage extends between one of the cooling channel and the shank cavity, toward the bucket cavity forward region. The at least one flow passage delivers a flow of cooling gas toward the bucket cavity forward region. The flow of cooling gas limits ingestion of hot gases into the bucket cavity forward region.
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