首页> 外文会议>Twenty-Fifth American Towing Tank Conference 24-25 September 1998 Iowa City, IA USA >Hydrofoil cavitation improvements with elastically coupled composite materials
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Hydrofoil cavitation improvements with elastically coupled composite materials

机译:弹性耦合复合材料改善了水翼空化

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摘要

Laminate construction technology is used to reduce the local angle of attack at the tip of an elliptic foil to delay the inception of tip vortex cavitation. As the angle of attack is increased on the foil, the increased lift causes the tip to flex in a direction that relieves the hydrodynamic loading in that region, resulting in delay of the inception of tip vortex cavitation. The global decrease in lift of the foil caused by unloading of the tip is very small, and cavitation is still delayed with respect to the same overal foil lift.
机译:层压构造技术用于减小椭圆形箔片尖端的局部攻角,以延迟尖端涡流空化的发生。随着在箔片上的迎角增加,增加的升力导致尖端在减轻该区域中的流体动力载荷的方向上弯曲,从而导致尖端涡流空化的开始延迟。由尖端的卸载引起的箔升力的总体降低非常小,并且相对于相同的总箔升力,气蚀仍被延迟。

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