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Turbine paddle, for a gas turbine, has at least one cooling passage opening with a structured cooling air flow linking the inner zone with the outer surface
Turbine paddle, for a gas turbine, has at least one cooling passage opening with a structured cooling air flow linking the inner zone with the outer surface
The turbine paddle, for a gas turbine, has at least one cooling passage opening (1), linking the inner (2) zone of the turbine with the outer surface (3). The center axis of the entry into the passage opening is orthogonal to the inner wall (4) of the turbine paddle. The coolant air inflow into the passage opening is deflected at the entry by a maximum of 90degrees. The turbine wall is thickened (6) at the entry into the passage opening, with a rib or beading (5).
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