TURBO-ENGINE COMPONENT WITH FILM COOLED WALL

摘要

Disclosed is a turbo-engine component comprising a wall (100), the wall (100) comprising a hot gas side surface (110) and a coolant side surface (120). At least one coolant discharge duct (210) is provided in said wall (100) and opening out onto the hot gas side surface (110) at a coolant discharge opening (214). A coolant flow direction is defined from the interior of the coolant discharge duct (210) towards the discharge opening (214), the coolant discharge duct (210) further being delimited by a delimiting surface thereof provided inside the wall (100). The coolant discharge duct (210) has a first cross sectional direction and a second cross sectional direction. The coolant discharge duct (210) is a blind cavity and is closed towards the coolant side surface (120), and further a dimension of the coolant discharge duct (210) measured in the first cross sectional direction decreases in the coolant flow direction.