Suppression of Flow-Induced Oscillations through the Addition of Viscoelasticity to the Fluid Flow

通过向流体流动添加粘弹性来抑制流动引起的振荡

基本信息

  • 批准号:
    2126175
  • 负责人:
  • 金额:
    $ 46.07万
  • 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:
    2021-07-01 至 2024-06-30
  • 项目状态:
    已结题

项目摘要

In many examples of fluid-structure interactions, such as flow past underwater risers and mooring lines on offshore floating wind turbines and platforms, the turbulent effects of high-speed flow can cause oscillations that damage the structures. Minimizing these oscillations can reduce manufacturing and maintenance costs and increase the lifetime of such structures. While prior studies have examined this problem for Newtonian fluids (i.e., fluids with constant viscosity), this project will examine the effect non-Newtonian fluid properties, such as shear-thinning, shear-thickening, and viscoelasticity, on fluid-structure interactions. The investigators will test the hypothesis that increasing the viscoelasticity of the fluid can result in a reduction in the oscillation amplitude of a flexible structure. The findings of this research will be disseminated at different levels by integrating the proposed research into the outreach programs for K-12 students and teachers, by incorporating this research into undergraduate and graduate classes that the investigators teach, and by increasing research opportunities for both undergraduate and graduate students.This research will investigate through both detailed experiments and comprehensive numerical simulations the impact that non-Newtonian fluid properties have on fluid-structure interaction (FSI) at high Reynolds number (Re). Recent observations of FSI phenomena at infinitesimal Re, but high Weissenberg (Wi) numbers, where a viscoelastic fluid is in contact with a flexible or flexibly-mounted structure have shown that FSI phenomena at this low-Re, high-Wi space are different from those observed at high-Re, low-Wi space. One of the main differences is that the shedding of vortices that is the main cause of several high-Re FSI phenomena is not always observed in low-Re, high-Wi cases. The question arises then on how the increase in fluid elasticity will influence the shedding of vortices (and therefore the observed oscillations) of a high-Re FSI system. This research will investigate this fundamental question by systematically increasing the elasticity of an initially Newtonian fluid and observing the response of a flexibly-mounted structure in cross flow. Experiments and simulations are used to first study the response of a flexibly-mounted structure to the cross flow of shear-thinning and shear-thickening fluids followed by the addition of a high molecular weight polymer to a Newtonian fluid to make the fluid elastic. By investigating shear thinning, shear thickening, and elasticity separately, the research will independently determine the effect of each of them on the response of FSI systems. Finally, the fundamental knowledge gained from the first part of this work will be used to develop techniques that utilize the fluid viscoelasticity to fully suppress vortex induced vibrations. This will be accomplished through the localized injection of viscoelastic fluid directly into the boundary layer surrounding an oscillating structure.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.
在许多流体-结构相互作用的例子中,例如流经水下立管和海上浮动风力涡轮机和平台上的系泊绳索的流动,高速流动的湍流效应可以引起破坏结构的振荡。使这些振荡最小化可以降低制造和维护成本,并延长此类结构的寿命。虽然以前的研究已经研究了牛顿流体(即具有恒定粘度的流体)的这个问题,但这个项目将研究非牛顿流体的性质,如剪切稀化、剪切增稠和粘弹性,对流体-结构相互作用的影响。研究人员将验证这样一种假设,即增加流体的粘弹性可以导致柔性结构的振动幅度降低。这项研究的结果将通过将拟议的研究整合到K-12学生和教师的推广计划中,通过将这项研究纳入研究人员教授的本科生和研究生的课堂,以及通过增加本科生和研究生的研究机会,在不同的层面上进行传播。本研究将通过详细的实验和全面的数值模拟来调查在高雷诺数(Re)时非牛顿流体性质对流体-结构相互作用(FSI)的影响。最近对FSI现象在无限小的Re,但高的Weissenberg(Wi)数,其中粘弹性流体与柔性或柔性安装的结构接触的观察表明,在这个低Re,高Wi的空间,FSI现象与在高Re,低Wi的空间观察到的不同。主要的区别之一是,作为几个高Re FSI现象的主要原因的涡旋脱落并不总是在低Re、高Wi-Wi的情况下观察到的。于是问题出现了,流体弹性的增加将如何影响高Re FSI系统的涡旋脱落(从而影响观测到的振荡)。这项研究将通过系统地增加初始牛顿流体的弹性并观察柔性安装结构在横流中的响应来研究这一基本问题。首先通过实验和模拟研究了柔性安装结构对剪切变稀和剪切增稠流体的横向流动的响应,然后在牛顿流体中添加高相对分子质量的聚合物以使流体具有弹性。通过分别研究剪切稀化、剪切增厚和弹性,这项研究将独立地确定它们对FSI系统响应的影响。最后,从这项工作的第一部分获得的基本知识将被用来开发利用流体粘弹性来完全抑制涡激振动的技术。这将通过将粘弹性流体直接局部注入振动结构周围的边界层来实现。这一奖项反映了NSF的法定使命,并已通过使用基金会的智力优势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(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Vortex-Induced Vibration of a Cylinder in Inelastic Shear-Thinning and Shear-Thickening Fluids.
非弹性剪切稀化和剪切增稠流体中圆柱体的涡激振动。
  • DOI:
    10.1017/jfm.2021.1151
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    Patel, U.N.;Rothstein, J.P.;Modarres-Sadeghi, Y.
  • 通讯作者:
    Modarres-Sadeghi, Y.
Experimental investigation of vortex-induced vibrations of a flexibly mounted cylinder in a shear-thinning fluid
剪切稀化流体中柔性安装圆柱体涡激振动的实验研究
  • DOI:
    10.1103/physrevfluids.8.044703
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Boersma, Pieter R.;Rothstein, Jonathan P.;Modarres-Sadeghi, Yahya
  • 通讯作者:
    Modarres-Sadeghi, Yahya
{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ monograph.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ sciAawards.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ conferencePapers.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ patent.updateTime }}

Jonathan Rothstein其他文献

Evaluating essential oils as biocidal anti-drift adjuvants for safe and sustainable agricultural spray enhancement
  • DOI:
    10.1016/j.jaerosci.2024.106421
  • 发表时间:
    2024-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    Joseph Heng;Samuel Bechard;David Lach;Jonathan Rothstein;Minghe Wang;Sebastian Ubal;David Julian McClements;Carlos M. Corvalan;Jiakai Lu
  • 通讯作者:
    Jiakai Lu

Jonathan Rothstein的其他文献

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

{{ truncateString('Jonathan Rothstein', 18)}}的其他基金

RAPID: Collaborative Research: Low-Cost, Non-invasive, Fast Sample Collection System for COVID-19 Viral Load Level Diagnosis: Point-of-Care and Environmental Testing
RAPID:协作研究:用于 COVID-19 病毒载量水平诊断的低成本、非侵入性快速样本采集系统:护理点和环境测试
  • 批准号:
    2032500
  • 财政年份:
    2020
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
Collaborative Research: Individual and Collective Dynamics of Marangoni Surface Tension Effects between Particles
合作研究:颗粒间马兰戈尼表面张力效应的个体和集体动力学
  • 批准号:
    1705519
  • 财政年份:
    2017
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
The Role of Interface Shape on Drag Reduction and Filtration using Superhydrophobic Surfaces
界面形状对超疏水表面减阻和过滤的作用
  • 批准号:
    1334962
  • 财政年份:
    2013
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
Turbulent Drag Reduction using Superhydrophobic Surfaces
使用超疏水表面减少湍流阻力
  • 批准号:
    0967531
  • 财政年份:
    2010
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
CAREER: The Stability of Viscoelastic Wormlike Micelle Solutions in Extensional Flows
职业生涯:粘弹性蠕虫状胶束溶液在拉伸流动中的稳定性
  • 批准号:
    0547180
  • 财政年份:
    2006
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
Collaborative Proposal: Theoretical and Experimental Analysis of Wormlike Micellar Solutions and Polymeric Fluids
合作提案:蠕虫状胶束溶液和聚合物流体的理论和实验分析
  • 批准号:
    0406224
  • 财政年份:
    2004
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant

相似国自然基金

肝硬化患者4D Flow MRI血流动力学与肝脂肪和铁代谢的交互机制研究
  • 批准号:
  • 批准年份:
    2025
  • 资助金额:
    0.0 万元
  • 项目类别:
    省市级项目
基于4D Flow MRI 技术联合HA/cRGD-GD-LPs对比剂增强扫描诊断肝纤维化分期的研究
  • 批准号:
  • 批准年份:
    2025
  • 资助金额:
    0.0 万元
  • 项目类别:
    省市级项目
基于4 D-Flow MRI评估吻合口大小对动静脉瘘的血流动力学以及临床预后的影响
  • 批准号:
  • 批准年份:
    2024
  • 资助金额:
    0.0 万元
  • 项目类别:
    省市级项目
构建4D-Flow-CFD仿真模型定量评估肝硬化门静脉血流动力学
  • 批准号:
  • 批准年份:
    2024
  • 资助金额:
    0.0 万元
  • 项目类别:
    省市级项目
基于4D-FLOW MRI实现特发性颅内压增高患者静脉窦无创测压和血流动力学分析
  • 批准号:
    82301457
  • 批准年份:
    2023
  • 资助金额:
    30.00 万元
  • 项目类别:
    青年科学基金项目
结合4D flow的多模态心脏磁共振成像在肥厚型心肌病中的应用研究
  • 批准号:
    n/a
  • 批准年份:
    2023
  • 资助金额:
    0.0 万元
  • 项目类别:
    省市级项目
驻高海拔地区铁路建设工程项目员工的Flow体验、国家认同与心理韧性:积极环境心理学视角
  • 批准号:
    72271205
  • 批准年份:
    2022
  • 资助金额:
    44 万元
  • 项目类别:
    面上项目
基于Flow-through流场的双离子嵌入型电容去离子及其动力学调控研究
  • 批准号:
    52009057
  • 批准年份:
    2020
  • 资助金额:
    24.0 万元
  • 项目类别:
    青年科学基金项目
主动脉瓣介导的血流模式致升主动脉重构的4D Flow MRI可视化预测模型研究
  • 批准号:
    82071991
  • 批准年份:
    2020
  • 资助金额:
    56 万元
  • 项目类别:
    面上项目
基于4D Flow MRI探讨侧支循环影响颈内动脉重塑的机制研究
  • 批准号:
    81801139
  • 批准年份:
    2018
  • 资助金额:
    21.0 万元
  • 项目类别:
    青年科学基金项目

相似海外基金

Flow-Induced Structures in Lyotropic Chromonic Liquid Crystals
溶致发色液晶中的流动诱导结构
  • 批准号:
    2245163
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
Elucidation of the inhibitory mechanism for chewing-induced brain blood flow in patients with jaw deformity.
阐明颌畸形患者咀嚼引起的脑血流的抑制机制。
  • 批准号:
    23K09449
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Flow property and flow-induced structure of micellar solutions in a continuously arranged cavity flow
连续排列空腔流中胶束溶液的流动特性和流动诱导结构
  • 批准号:
    23K03654
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
CDS&E: Multiscale Computational Modeling of Flow-Induced Mechanical Deformation via Nonlocal Formulations
CDS
  • 批准号:
    2245343
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
Predicting flood-induced flow and sediment dynamics using data-driven physics-informed models
使用数据驱动的物理模型预测洪水引起的流量和沉积物动力学
  • 批准号:
    2233986
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Standard Grant
Numerical analysis of collective motion and flow-induced structure in dispersion system of biological particles with taxis
滑行生物颗粒分散体系中集体运动和流致结构的数值分析
  • 批准号:
    23K03667
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
On the effective flow-induced noise reduction technique by controlling the acoustic transmission loss at the fluid-solid interface
通过控制流固界面声传输损失的有效流致降噪技术
  • 批准号:
    23K03747
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Blood Flow Scope Evaluation and Development of a Novel Treatment for Cooling Therapy for Chemotherapy-Induced Peripheral Neuropathy
血流范围评估和化疗引起的周围神经病变冷却疗法新疗法的开发
  • 批准号:
    23K14721
  • 财政年份:
    2023
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Grant-in-Aid for Early-Career Scientists
Flow-Induced Noise in Low- and High-Speed Flows: Towards the Development of a Quieter Environmentally Friendly Aircraft
低速和高速流动中的流动引起的噪声:致力于开发更安静的环保飞机
  • 批准号:
    RGPIN-2021-04194
  • 财政年份:
    2022
  • 资助金额:
    $ 46.07万
  • 项目类别:
    Discovery Grants Program - Individual
Aerodynamic loading and flow induced vibrations in ground effect
地面效应中的空气动力载荷和流动引起的振动
  • 批准号:
    574814-2022
  • 财政年份:
    2022
  • 资助金额:
    $ 46.07万
  • 项目类别:
    University Undergraduate Student Research Awards
{{ showInfoDetail.title }}

作者:{{ showInfoDetail.author }}

知道了