Turbine nozzle with trailing edge convection and film cooling
AssigneeGeneral Electric Company
InventorsChing-Pang Lee, Steven Robert Brassfield, Michael Danowski, Hardev Singh
Life of this patent
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Abstract
An airfoil for a gas turbine engine has opposed pressure and suction sidewalls extending between a leading edge and a trailing edge. The airfoil includes an array of radially-spaced apart longitudinally-extending lands which define a plurality of trailing edge slots therebetween. Each of the trailing edge slots has an inlet in fluid communication with an interior of the airfoil and an exit in fluid communication with the trailing edge. At least one of the lands is tapered such that a width of the land measured in a radial direction decreases from the suction sidewall to the pressure sidewall.
Claims9
An airfoil for a gas turbine engine, said airfoil having opposed pressure and suction sidewalls extending between a leading edge and a trailing edge, and comprising:
- an array of radially-spaced apart longitudinally-extending lands, said lands defining a plurality of trailing edge slots therebetween, each of said trailing edge slots having an inlet in fluid communication with an interior of said airfoil and an exit in fluid communication with said trailing edge;
- wherein at least one of said lands is tapered such that a width of said land measured in a radial direction decreases from said suction sidewall to said pressure sidewall.
An airfoil for a gas turbine engine, said airfoil having opposed pressure and suction sides extending between a leading edge and a trailing edge, and comprising:
- an array of radially-spaced apart longitudinally-extending lands, said lands defining a plurality of trailing edge slots therebetween, each of said trailing edge slots having an inlet in fluid communication with an interior of said airfoil and an exit in fluid communication with said trailing edge;
- wherein at least one of said lands is tapered such that:
- a width of said land measured in a radial direction decreases from said suction sidewall to said pressure sidewall;
- a width of said land measured in a radial direction decreases from said exit to said trailing edge;
- and
- a thickness of said land measured in a circumferential direction decreases from said exit to said trailing edge.
Dependencies are inferred from the claim text.