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    • 10. 发明授权
    • Turbine airfoil tip shelf and squealer pocket cooling
    • 涡轮机翼尖架和尖叫口袋冷却
    • US09228442B2
    • 2016-01-05
    • US13440297
    • 2012-04-05
    • Dominic J. Mongillo, Jr.Steven Bruce GautschiSan Quach
    • Dominic J. Mongillo, Jr.Steven Bruce GautschiSan Quach
    • F01D5/08F01D5/20
    • F01D5/20Y02T50/673
    • An airfoil comprises leading and trailing edges with pressure and suction surfaces defining a chord length therebetween. The pressure and suction surfaces extend from a root section of the airfoil to a tip section. A tip shelf is formed along the tip section between the pressure surface and a tip shelf wall spaced between the pressure surface and the suction surface. A squealer pocket is formed along the tip section between the tip shelf wall and a squealer tip wall extending from the suction surface. The tip shelf extends from within 10% of the cord length measured from the leading edge to within 10% of the chord length measured from the trailing edge. The squealer pocket extends from within 10% of the chord length measured from the leading edge to terminate between 10% and 25% of the chord length measured from the trailing edge.
    • 机翼包括前缘和后缘,其中压力和吸力表面之间限定弦长。 压力和吸力表面从机翼的根部部分延伸到尖端部分。 在压力表面和与压力表面和抽吸表面间隔开的尖端搁板壁之间的尖端部分形成有尖端架。 沿尖端搁架壁和从抽吸面延伸的尖叫尖端壁之间的尖端部分形成一个尖叫口袋。 尖端架从从前缘测量的绳索长度的10%范围内延伸到从后缘测量的弦长的10%以内。 尖叫口袋从前缘测量的弦长的10%以内延伸,终止于从后缘测量的弦长的10%至25%之间。