Collaborative Research: Actuating and Sensing Objects on a Free Surface

合作研究:驱动和感测自由表面上的物体

基本信息

  • 批准号:
    2042740
  • 负责人:
  • 金额:
    $ 32.26万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-05-01 至 2025-04-30
  • 项目状态:
    未结题

项目摘要

This collaborative research investigates the strong coupling between floating particles at the air-water interface and water waves, which is a fundamental scientific problem with inspiration for technological innovation. The water surface in nature attracts all sorts of objects, such as biological organisms in search of food and mates, as well as microplastics and oil spills polluting the world's oceans and lakes. Thus, the water surface provides an important opportunity to survey the local ecology and clean the pollutants if one can identify and control these objects on-demand. The outcomes of this project will provide fundamental understanding of physical mechanisms necessary for such applications, which range from locating floating objects in darkness for search and surveillance missions, to collecting marine debris for environmental protection. In addition, the PIs will participate in various educational activities at their home institutions with a focus on recruiting students from under-represented groups. The students participating in this research will be trained in both experimental and theoretical approaches and will engage in active collaboration across institutes through co-advising, virtual group meetings, and presentations. The overall objective of this collaborative research is to gain fundamental understanding of rich dynamical interactions that arise between the floating objects, surface waves and fluid flows. Specifically, the PI team will uncover complex particle-wave interactions in the context of sensing and controlling objects at the fluid-fluid interface. There are different types of hydrodynamic interactions that dominate depending on the relevant length scale of the system. For example, wave dispersion and particle movement on a thin liquid layer are governed by capillary and viscous forces, while the wave-particle dynamics on the deep water surface is governed primarily by inertia and gravity. However, there is no comprehensive framework at present that can resolve the coupled dynamics of the surface waves and particles at the interface across different scales. By combining experiments and mathematical modeling, the four PIs will investigate the fundamentals of wave-particle interactions: sensing (scattered waves) and actuation (force and torque) of floating objects remotely, in the distinct limits of shallow and deep water waves.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
本合作研究探讨了空气-水界面悬浮粒子与水波之间的强耦合,这是一个具有技术创新灵感的基础科学问题。自然界的水面吸引着各种各样的物体,比如寻找食物和配偶的生物有机体,以及污染世界海洋和湖泊的微塑料和石油泄漏。因此,水面提供了一个重要的机会来调查当地的生态和清洁污染物,如果一个人可以识别和控制这些对象按需。该项目的成果将提供对这些应用所需的物理机制的基本理解,这些应用范围从在黑暗中定位漂浮物进行搜索和监视任务,到收集海洋垃圾进行环境保护。此外,这些学生还将在其所在院校参加各种教育活动,重点是招收代表性不足的群体的学生。参与这项研究的学生将接受实验和理论方法的培训,并通过共同建议、虚拟小组会议和报告等方式积极参与各研究所的合作。这项合作研究的总体目标是获得对漂浮物体、表面波和流体流动之间产生的丰富动态相互作用的基本理解。具体来说,PI团队将揭示在流体-流体界面感知和控制物体的背景下复杂的粒子波相互作用。根据系统的相关长度尺度,有不同类型的水动力相互作用占主导地位。例如,在稀薄的液体层上,波的弥散和粒子的运动是由毛细力和粘性力控制的,而深水表面上的波粒动力学主要是由惯性和重力控制的。然而,目前还没有一个全面的框架可以解决界面上不同尺度表面波和粒子的耦合动力学问题。通过结合实验和数学建模,四个pi将研究波粒相互作用的基本原理:在浅水波和深水波的不同限制下,远程感知(散射波)和驱动(力和扭矩)漂浮物。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(7)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Pinch-off dynamics to elucidate animal lapping
夹断动力学阐明动物研磨
  • DOI:
    10.1103/physrevfluids.6.073102
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Jung, Sunghwan
  • 通讯作者:
    Jung, Sunghwan
Vapor Flux on Bumpy Surfaces: Condensation and Transpiration on Leaves
凹凸不平表面上的蒸汽通量:叶子上的冷凝和蒸腾
  • DOI:
    10.1021/acs.langmuir.1c00473
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    3.9
  • 作者:
    Jung, Sunghwan
  • 通讯作者:
    Jung, Sunghwan
Whirligig beetle uses lift-based thrust for fastest insect swimming
旋转甲虫利用升力推力实现最快的昆虫游泳
  • DOI:
    10.1016/j.cub.2023.11.008
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    9.2
  • 作者:
    Sun, Yukun;Shields, Jena;Roh, Chris
  • 通讯作者:
    Roh, Chris
Mechanics of removing water from the ear canal: Rayleigh–Taylor instability
从耳道去除水分的机制:瑞利泰勒不稳定性
  • DOI:
    10.1017/jfm.2023.309
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    Kim, Seungho;Baskota, Anuj;Kang, Hosung;Jung, Sunghwan
  • 通讯作者:
    Jung, Sunghwan
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Sunny Jung其他文献

Sunny Jung的其他文献

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{{ truncateString('Sunny Jung', 18)}}的其他基金

Collaborative Research: The Interplay of Water Condensation and Fungal Growth on Biological Surfaces
合作研究:水凝结与生物表面真菌生长的相互作用
  • 批准号:
    2401507
  • 财政年份:
    2024
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
MCA: Effects of unsteady wind and surface morphology on the plant transpiration
MCA:不稳定风和表面形态对植物蒸腾作用的影响
  • 批准号:
    2120739
  • 财政年份:
    2021
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
RAPID: Collaborative Research: New Generation of a Bio-inspired Protective Mask Based on Thermal & Vortex Traps
RAPID:合作研究:新一代基于热的仿生防护口罩
  • 批准号:
    2028075
  • 财政年份:
    2020
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
Collaborative Research: Investigating aerial maneuvers in bat flight using experiments, mathematical modeling, and robotic mimicry
合作研究:利用实验、数学建模和机器人模仿研究蝙蝠飞行中的空中机动
  • 批准号:
    2002714
  • 财政年份:
    2020
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
Collaborative Research: bubble impacting a curved surface: a sustainable way to sanitize produce
合作研究:气泡撞击曲面:农产品消毒的可持续方法
  • 批准号:
    1919753
  • 财政年份:
    2019
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
Dynamics of leaves with different wettability due to raindrop impact
雨滴影响下不同润湿性叶片的动力学
  • 批准号:
    1903989
  • 财政年份:
    2018
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
Dynamics of leaves with different wettability due to raindrop impact
雨滴影响下不同润湿性叶片的动力学
  • 批准号:
    1604424
  • 财政年份:
    2016
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
Characterizing Fluid Properties for Micro/Nano Droplet Using High-Q Whispering Gallery Modes
使用高 Q 回音壁模式表征微/纳米液滴的流体特性
  • 批准号:
    1438112
  • 财政年份:
    2014
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Standard Grant
How Do Animals Harness Water Entry and Exit Dynamics?
动物如何利用水的进出动力学?
  • 批准号:
    1205642
  • 财政年份:
    2013
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Continuing Grant
Collaborative Proposal: Long-term dynamics of Water-entry
合作提案:进水的长期动态
  • 批准号:
    1336038
  • 财政年份:
    2013
  • 资助金额:
    $ 32.26万
  • 项目类别:
    Continuing Grant

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合作研究:REU 地点:地球与行星科学和天体物理学 REU 与纽约市立大学合作,位于美国自然历史博物馆
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