Cooling circuit for turbine stator vane trailing edge

Details Cooling circuit for turbine stator vane trailing edge Cooling circuit for turbine stator vane trailing edge

1994-08-23

1995-11-07

Look, Edward K.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

416 96R, F01D 906, F01D 518

Patent

active

054643228

ABSTRACT:
A cooling circuit is provided for the second stage nozzle of a gas turbine. Cooling medium such as air is supplied into a chamber for flow through openings in an impingement plate for impingement cooling of the trailing edge. Convection air is supplied to the trailing edge for combining with the impingement flow. Both series and parallel arrangements of cooling circuits are provided for the aft portion of the vane.

REFERENCES:
patent: 4456428 (1984-06-01), Cuvillier
patent: 5253976 (1993-10-01), Cunha
"Advanced Cooling First Stage Vane Design", Levari et al., ASME 84-GT-219.
"Flow In Corners of Passages with Non-Circular Cross-Sections", Eckert et al.; ASME Paper, Aug. 22, 1955.

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