量化和降低标签的成本:结合计算流体动力学和潜水实验,以减少动物传播标签的影响
J Chris McKnight1, Chris Pass2, Dave Thompson3
1Sea Mammal Research Unit (SMRU), Scottish Oceans Institute, University of St Andrews, St Andrews, Fife KY16 8LB, UK.
Proceedings. Biological sciences
|November 6, 2024
概括
研究人员通过重新设计动物传播标签来减少动物传播标签的阻力. 这改善了动物行为和数据有效性,为更好的野生动物研究工具铺平了道路.
科学领域:
- 海洋生物学 海洋生物学
- 动物行为 动物行为
- 生物制造技术的技术.
背景情况:
- 动物携带的仪器对于生态和生理学研究至关重要.
- 携带标签可以影响动物的行为和能量,影响数据的有效性和福利.
- 从标签中估计阻力负载需要经验或计算流体动力学 (CFD) 方法.
研究的目的:
- 开发和演示一种新的综合实证和CFD方法来量化和最小化标签诱导的拖动.
- 评估不同标签设计对虫海的行为和能量影响.
- 为了创建一个不那么具有影响力的,商业上可用的动物传播的标签.
主要方法:
- 使用了经验和计算流体动力学 (CFD) 方法的组合方法.
- 雇佣的灰海和海洋哺乳动物研究单位 (SMRU) 仪器组GPS/GSM标签 (第1代和第2代).
- 测量行为变化和游泳速度与标签拖拉负载相关.
主要成果:
- 最初的标签 (基因1) 导致灰色海的拖动率增加了16.4%,并且导致了显著的行为变化.
- 一个重新设计的标签 (第2代) 将额外的阻力降低到8.6%.
- 携带第2代标签的海与第1代相比表现出明显不同的行为,游泳速度与CFD预测保持一致.
结论:
- 重新设计的标签 (第2代) 有效地减少了拖动及其对海行为的影响.
- 开发的方法提供了一个框架,用于评估和减少对其他物种的标签影响.
- 改进的标签设计现已商业化,有利于未来的野生动物研究.
相关概念视频
Typical Model Studies
340
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
340
Dimensional Analysis
303
Dimensional analysis is a valuable technique in fluid mechanics for simplifying complex problems by reducing them into dimensionless groups. These groups capture the essential relationships between the variables involved, allowing researchers and engineers to analyze fluid flow without dealing with each variable individually. This approach reduces the number of independent variables, allowing for easier analysis and better understanding of physical phenomena.
In fluid mechanics, dimensional...
In fluid mechanics, dimensional...
303
Eulerian and Lagrangian Flow Descriptions
1.0K
Fluid flow analysis is critical in many scientific and engineering disciplines, and two principal approaches are used to describe this flow: the Eulerian and Lagrangian methods. These methods offer different perspectives on monitoring and analyzing the motion of fluids, each with distinct advantages depending on the scenario.
The Eulerian method focuses on fixed points in space where fluid properties, such as velocity, pressure, and temperature, are observed as the fluid moves between these...
The Eulerian method focuses on fixed points in space where fluid properties, such as velocity, pressure, and temperature, are observed as the fluid moves between these...
1.0K
Correlation of Experimental Data
217
Dimensional analysis simplifies complex physical problems and guides experimental investigations, but it does not provide complete solutions. It identifies the dimensionless groups that influence a phenomenon, but experimental data is needed to establish the specific relationships and validate theoretical predictions.
For example, a spherical particle moving through a viscous fluid experiences drag. Dimensional analysis shows that the drag force depends on the particle's diameter, velocity,...
For example, a spherical particle moving through a viscous fluid experiences drag. Dimensional analysis shows that the drag force depends on the particle's diameter, velocity,...
217


