频率-广度参数和视角比对水下飞油推进性能的影响
Hao Ding1,2, Ruoqian Chen2, Yawei Zhu2
1Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, China.
Biomimetics (Basel, Switzerland)
|June 26, 2024
概括
研究人员开发了一种由海洋动物启发的无人驾驶水下车辆的新型动推进装置. 在2Hz频率和40°振幅下发现了最佳效率,指导了未来的生物式水下推进设计.
科学领域:
- 海洋工程 海洋工程是指海洋工程.
- 生物模拟学是一种生物模拟学.
- 流体动力学 流体动力学
背景情况:
- 无人驾驶水下车辆 (UUV) 需要高效的推进系统.
- 海洋动物翅膀推进提供了诸如灵活性,低噪音和低速度高能效等优势.
- 生物设计可以激发新的UUV推进技术.
研究的目的:
- 为UUVs开发和测试一种新型的实验性翻动推进装置.
- 为了研究运动参数 (频率,振幅) 与仿生飞片的推进性能之间的关系.
- 分析安装模式和翻动的几何形状对推进效率的影响.
主要方法:
- 构建一个双向的飞推进装置,带有导轨滑动机制来解力量.
- 系统的实验研究生物波动的运动参数 (频率和振幅).
- 基于运动参数的推进效率模型的响应表面的制定.
- 检查安装模式 (向前/向后摆动) 和翻动片面积比 (和弦和跨度长度).
主要成果:
- 在2Hz的频率和40°的振幅下,实现了最高的推进效率.
- 与前置安装相比,反向安装的折叠摆动产生了更高的推力.
- 增加跨度长度提高了推进效率,当和弦长度是恒定的.
- 推进效率显示出一个抛物线趋势,随着和弦长度的增加,最初上升,然后下降.
结论:
- 开发的设备和实验发现为生物体水下推进设计提供了宝贵的理论指导.
- 这项研究强调了UUV的动推进的潜力,模仿海洋动物的运动.
- 优化运动参数和薄膜几何结构对于最大限度地提高生物推进效率至关重要.
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