| 摘要 |
A turbine blade is provided with at least one cooling channel (20) and a plurality of cooling holes (21); each cooling hole (21) being provided with an outlet section (26) having an elongated shape along a principal axis (E); the height (H) of the outlet section (26), intended as the measure of the maximum dimension of the outlet section (26) along a direction parallel to the main axis (E), being equal to at least twice the width (L) of the outlet section (26), intended as the maximum dimension of the outlet section (26) along a direction orthogonal to the main axis (E). |
