基于物理学的缩放规律,用于在学校配置中的投片的性能
Ahmet Gungor1, Muhammad Saif Ullah Khalid1,2, Arman Hemmati1
1Department of Mechanical Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada.
Journal of the Royal Society, Interface
|July 31, 2024
概括
新的基于物理的缩放定律通过包括水力动力学相互作用,准确地预测了学校的推进. 这些定律对于理解多层系统中复杂的流体动力学至关重要.
科学领域:
- 流体动力学 流体动力学
- 水力动力学就是水力动力学.
- 生物启发的推进系统
背景情况:
- 了解校园的推进性能对于海洋机器人和仿生学中的应用至关重要.
- 现有的模型往往忽略了学校配置中的复杂的水力动力学相互作用.
研究的目的:
- 开发新的基于物理的缩放规律,用于估计在学校配置中同步投的片的推进性能.
- 将水力动力学相互作用,特别是通过旋诱导的速度的地面效应纳入这些缩放规律中.
主要方法:
- 从近乎稳定的基于提升和增加的质量力中推导缩放规律.
- 纳入旋诱导的速度来建模薄膜之间的水力动力相互作用.
- 为循环平均推力和功率系数制定通用缩放方程.
主要成果:
- 开发了包括纯和诱导速度术语的通用缩放方程.
- 验证了计算流体动力学 (CFD) 结果的方程,用于跨越一系列斯特鲁哈尔数,摆幅和相差的两系统.
- 证明了诱导速度术语对于准确的性能估计具有至关重要的重要性,表明单纯的调度术语是不够的.
结论:
- 拟议的基于物理的缩放定律准确地预测了在学校配置中同步投的薄膜的推进性能.
- 缩放规律适用于多布 (三和五布系统),显示估计和测量结果之间的良好一致.
- 这项工作为分析和优化学校水上车辆和自然游泳者的水力动力学提供了强大的框架.
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