| 摘要 |
A turbine airfoil (12) includes first and second sidewalls (22,24) joined together at leading and trailing edges (26,28), and extending longitudinally from root (32) to tip (34). An internal cooling circuit (38) is disposed between the sidewalls for channeling a coolant therein. A column of longitudinally spaced apart ejection slots (40) extend through the first sidewall along the trailing edge, and are disposed in flow communication with the cooling circuit for discharging the coolant toward the trailing edge. Some of the slots are disposed between a pitchline (36) and the tip and are inclined at different ejection angles longitudinally outwardly from the pitchline. And, some of the slots are disposed between the pitchline and root and extend at least parallel with the pitchline without longitudinally inward inclination. <IMAGE> |
