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COOLED TURBINE VANE WITH ALTERNATELY ORIENTATED FILM COOLING HOLE ROWS
COOLED TURBINE VANE WITH ALTERNATELY ORIENTATED FILM COOLING HOLE ROWS
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机译:交替定向薄膜冷却孔行的中冷涡轮叶片
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摘要
A cooled component for a gas turbine engine includes a plurality of internal ribs extending substantially parallel to a longitudinal axis of the gas turbine engine. The internal ribs are disposed within an internal cavity defining cooling air passages within the cooled component. A plurality of cooling holes are arranged in rows with axial orientations alternating between a radially outboard bias directing cooling air radially outward and a radially inboard bias directing cooling air radially inward. Each of the cooling holes includes an internal opening in communication with one of the cooling air passages and an external opening open to an outer surface of the cooled component. The external opening of each of the plurality of cooling holes is disposed on a side opposite the internal rib relative to a corresponding internal opening. A gas turbine engine and a method of fabricating a turbine airfoil are also disclosed.
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