| 摘要 |
<p>A turbine blade extends along a longitudinal axis (A) and is provided with: an anchoring portion (4) provided with a base face (11); a platform (5) integrally coupled to the anchoring portion (4); a main elongated body (6) which extends from the platform (5) on the opposite side with respect to the anchoring portion (4); a cooling circuit (9), which comprises a first cooling line (19) provided with a first inlet opening (23) arranged on the base face (11) of the anchoring portion (4) of the blade (1); and a metering plate (7) coupled to the base face (11) at the first inlet opening (23) and comprising a first portion (26a) and a second portion (26b) couplable to each other and shaped in such a way to define, together, an opening (27) having a variable section.</p> |
