Turbine Blade

Abstract: An airfoil for a gas turbine engine can receive a flow of cooling fluid through a cooling circuit. The cooling circuit is defined within the airfoil comprising a supply passage and a leading edge cooling passage, the two passages being in fluid communication through a plurality of impingement orifices disposed within a cross-over rib disposed between and at least partially defining the passages. The cross-over rib can further comprise a cross-section to provide thermal stress-relief for the cross-over rib. Fig.1

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