Turbine blade

Details Turbine blade Turbine blade

F - Mech Eng,Light,Heat,Weapons

01

D

170/81

F01D 5/18 (2006.01)

Patent

CA 1113865

TURBINE BLADE ABSTRACT OF THE DISCLOSURE A convectively cooled turbine blade has a three-pass cooling air passageway. Air enters the blade at its root end, travels along a reversing path through the passageway and is emitted through an array of slots in the blade trailing edge generally configured in the form of a Venetian blind. Pedestals or turning vanes located in the turning areas of the passageway control separation of flow to prevent development of local hot spots. Pedestals located in a midchord portion of the passageway prevent sidewall panel vibration and enhance cooling efficiency. A root metering plate governs magnitude of cooling flow through the turbine blade.

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