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Effect of Spanwise Flexibility on Propulsion Performance of a Flapping Hydrofoil at Low Reynolds Number
spanwise flexibility flapping motion thrust generation
2011/8/5
Spanwise flexibility is a key factor influencing propulsion performance of pectoral foils. Performances of bionic fish with oscillating pectoral foils can be enhanced by properly selecting the spanwis...
含沙水流中翼型空蚀磨损试验（Experiment on Damage of Cavitation and Silt Abrasion for Hydrofoil in Silt-laden Water Flow）
翼型 含沙水流 空蚀 磨损
2010/12/29
模拟水力机械内部流动环境，在收缩－扩散型试验段中对翼型进行了空蚀、磨损及两者联合作用破坏试验，观测表面破坏微观形貌并测量破坏深度分布规律。空蚀形貌呈较为规则的近圆独立蚀坑，其分布较为随机。根据颗粒对表面作用的不同，磨损形貌表现为冲击、铲削、犁耕及切削等类型。在较高固相质量浓度下，联合作用破坏形貌大多在极端的角度(90°或0°)以颗粒磨损形式出现，其尺度特征在翼型表面随位置后移远大于磨损形貌，宏观破...
Simulation of Cavitating Flow around a 2-D Hydrofoil
2-D hydrofoil cavitation model cavitation flow
2011/9/9
In order to predict the effects of cavitation on a hydrofoil, the state equations of the cavitation model were combined with a linear viscous turbulent method for mixed fluids in the computational flu...