肩并肩游泳运动员同步运动的流体动力学效应

2019/12/27   下载量： 0 次

方案摘要

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应用领域 生物产业
检测样本 其他
检测项目
参考标准 暂无

采用LaVison公司的粒子成像测速系统(PIV)，测量了模拟水池中模拟肩并肩游泳运动员同步运动模型的流场。

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In-phase and anti-phase synchronization of neighboring swimmers is examined experimentally using two self-propelled independent flexible foils swimming side-by-side in a water tank. The foils are actuated by pitching oscillations at one extremity—the head of the swimmers—and the flow engendered by their undulations is analyzed using two-dimensional particle image velocimetry in their frontal symmetry plane. Following recent observations on the behavior of real fish, we focus on the comparison between in-phase and anti-phase actuation by fixing all other geometric and kinematic parameters. We show that swimming with a neighbor is beneficial for both synchronizations tested, as compared to swimming alone, with an advantage for the anti-phase synchronization. We show that the advantage of anti-phase synchronization in terms of swimming performance for the two-foil “school” results from the emergence of a periodic coherent jet between the two swimmers.

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北京欧兰科技发展有限公司
金牌会员 丨 第17年
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