Cascade impingement cooled airfoil
    4.
    发明申请
    Cascade impingement cooled airfoil 失效
    级联冲击冷却翼型

    公开(公告)号:US20050226726A1

    公开(公告)日:2005-10-13

    申请号:US10820325

    申请日:2004-04-08

    IPC分类号: F01D5/18 B63H1/14

    CPC分类号: F01D5/187 Y02T50/676

    摘要: A turbine blade includes an airfoil having opposite pressure and suction sidewalls joined together at opposite leading and trailing edges and extending longitudinally from root to tip. A plurality of independent cooling circuits are disposed inside the airfoil correspondingly along the pressure and suction sidewalls thereof. Each circuit includes an inlet channel extending through the dovetail. One of the circuits includes multiple longitudinal channels separated by corresponding perforate partitions each including a row of impingement holes for cascade impingement cooling the inner surface of the airfoil.

    摘要翻译: 涡轮机叶片包括具有相对的压力和抽吸侧壁的翼型件,其在相对的前缘和后缘处连接在一起并且从根部到尖端纵向延伸。 多个独立的冷却回路相应地沿其压力和吸力侧壁设置在翼型内。 每个电路包括延伸穿过燕尾榫的入口通道。 电路中的一个包括由对应的穿孔隔板分开的多个纵向通道,每个隔板包括一排冲击孔,用于级联冲击冷却翼型件的内表面。