胸鳍模型划动运动的推进机制研究(胡文蓉)

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【作者】胡文蓉 【作者单位】上海交通大学工程力学系

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*CH2a5JAz0【论文摘要】 胸鳍推进方式主要分为两类:阻力推进模式和升力推进模式。本研究针对胸鳍阻力推进模式,建立胸鳍划动运动模型进行数值模拟,分析了阻力推进模式的流动机制,并探讨了推力与各运动学参数之间的关系以及尾迹捕获机制的问题,揭示了阻力推进模式的推进机制.水利论文oq }e'sP4Fu

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【英文论文摘要】 Oscillating locomotor movements of fish pectoral fins involve primarily a drag-based and a lift-based mechanism to produce thrust.A numerical study of pectoral fin rowing model using drag-based mechanism is presented in this paper.The propulsive mechanism of pectoral fin rowing model is explored by explaining the voriticity and pressure in the flow field,analyzing the relationship between the thrust and kinematic parameters,and discussing the wake-captured problem.水利论文*O3[}#y"|

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TAG: 机制 模型 运动 胸鳍 胡文蓉
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