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    • 1. 发明申请
    • ELASTOMERIC VORTEX GENERATORS
    • ELASTOMERIC VORTEX发电机
    • WO2011004262A1
    • 2011-01-13
    • PCT/IB2010/001885
    • 2010-07-09
    • IRELAND, Peter, S.
    • IRELAND, Peter, S.
    • B64C23/06B64C21/10B63B1/36F15D1/12
    • B64C23/06B64C23/065B64C2003/147Y02T50/12Y02T50/162Y02T50/164
    • A method of improving aerodynamic performance of foils by the application of conformal, elastomeric vortex generators. The novel use of elastomers allows the application of various forms of vortex generators to sections that have been problematic from engineering and cost considerations. A novel and efficient vortex generator profile is identified, which develops an additional co rotating vortex at low energy expenditure. The mechanisms allow for the application of transverse vortex generators, or Gurney Flaps/Lift Enhancement Tabs/Divergent Trailing Edges, to propellers, rotorblades, and to wings/flaps/ control trailing edges. Cove Tabs are additionally described using an elastomeric transverse vortex generator to achieve performance improvements of a high lift device.
    • 通过应用保形弹性涡流发生器来改善箔的空气动力学性能的方法。 弹性体的新颖使用允许将各种形式的涡流发生器应用于从工程和成本考虑问题的部分。 确定了一种新颖有效的涡流发生器轮廓,其在低能量消耗下产生额外的共旋转涡流。 这些机构允许将横向涡流发生器或Gurney襟翼/升力增强翼片/发散尾翼边缘应用于螺旋桨,转子叶片以及翼/襟翼/控制后缘。 使用弹性体横向涡流发生器另外描述了小翼片,以实现高提升装置的性能改进。
    • 2. 发明申请
    • APPLICATION OF CONFORMAL SUB BOUNDARY LAYER VORTEX GENERATORS TO A FOIL OF AERO / HYDRODYNAMIC SURFACE
    • 将合适的副边界层VORTEX发电机应用于AERO / HYDRODYMMIC SURFACE
    • WO2011004261A1
    • 2011-01-13
    • PCT/IB2010/001874
    • 2010-07-09
    • IRELAND, Peter, S.
    • IRELAND, Peter, S.
    • F15D1/12B63B1/36B64C21/10B64C23/06
    • B64C23/06B64C23/065B64C2003/147Y02T50/12Y02T50/162Y02T50/164
    • A method of improving aerodynamic performance of foils by the application of conformal, low drag vortex generators. A film of erosion protection material or other conformal material is placed on the foil to provide a medium for the incorporation of planform edge vortex generators. The form edge is shaped to achieve submerged vortex generating shapes of chevron or ogival planforms, extending primarily chordwise on the foil surface. The vortex generators promote improved boundary layer dynamics by mixing free stream flow into the boundary layer while minimising separation and fluid losses. At the trailing edge, the shape formed with the chevrons applied apex forward, acts as a vented gurney tab series and additionally as disruptors to the Von Karman Street wake, delaying sheet rollup into the tip vortice.
    • 通过应用保形,低阻力涡流发生器来改善箔的空气动力学性能的方法。 将一层侵蚀保护材料或其他保形材料放置在箔上以提供用于结合平面形边缘涡流发生器的介质。 形状边缘成形为实现人造V形或椭圆形平面的浸没涡流生成形状,主要在箔表面上并行延伸。 涡流发生器通过将自由流流混合到边界层中来促进边界层动力学改善,同时使分离和流体损失最小化。 在后缘处,形成有人字形的形状应用于顶端向前,充当通风的格尼翼片系列,另外作为Von Karman Street尾迹的破坏者,延迟片材卷入尖端旋涡。