COOLING HOLE WITH ENHANCED FLOW ATTACHMENT
    35.
    发明公开
    COOLING HOLE WITH ENHANCED FLOW ATTACHMENT 有权
    KÜHLUNGSLÖCHERMIT VERBESSERTERSTRÖMUNGSBEFESTIGUNG

    公开(公告)号:EP2815113A4

    公开(公告)日:2015-12-30

    申请号:EP13785247

    申请日:2013-02-12

    Abstract: A gas turbine engine component includes a wall having first and second wall surfaces, a cooling hole extending through the wall and a convexity. The cooling hole includes an inlet located at the first wall surface, an outlet located at the second wall surface, a metering section extending downstream from the inlet and a diffusing section extending from the metering section to the outlet. The diffusing section includes a first lobe diverging longitudinally and laterally from the metering section and a second lobe adjacent the first lobe and diverging longitudinally and laterally from the metering section. The convexity is located near the outlet.

    Abstract translation: 燃气涡轮发动机部件包括具有第一和第二壁表面的壁,延伸穿过壁的冷却孔和凸起。 冷却孔包括位于第一壁表面处的入口,位于第二壁表面处的出口,从入口下游延伸的计量部分和从计量部分延伸到出口的扩散部分。 扩散部分包括从计量部分纵向和横向分叉的第一凸角和邻近第一凸角并从计量部分纵向和横向发散的第二凸角。 凸起位于出口附近。

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