发明申请
US20080131262A1 METHODS AND SYSTEM FOR COOLING INTEGRAL TURBINE NOZZLE AND SHROUD ASSEMBLIES 失效
用于冷却集成涡轮喷嘴和风力发电机组的方法和系统

METHODS AND SYSTEM FOR COOLING INTEGRAL TURBINE NOZZLE AND SHROUD ASSEMBLIES
摘要:
A method for cooling a shroud segment of a gas turbine engine includes providing a turbine shroud assembly including a shroud segment having a leading edge defining a forward face. A turbine nozzle is coupled to the turbine shroud assembly such that a gap is defined between an aft face of an outer band of the turbine nozzle and the forward face, wherein a lip formed on the aft face is positioned radially inwardly with respect to the gap and extends substantially axially downstream from the gap. Cooling air is directed into the gap. Cooling air exiting the gap impinges against the lip to facilitate film cooling the shroud segment.
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