MRI: Acquisition of a Three Component Particle-Image Velocimetry System to Enable Fundamental Research in Wind Engineering and Fluid Mechanics

MRI:获取三分量粒子图像测速系统以实现风工程和流体力学的基础研究

基本信息

  • 批准号:
    1828585
  • 负责人:
  • 金额:
    $ 46.61万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-09-15 至 2023-08-31
  • 项目状态:
    已结题

项目摘要

This Major Research Instrumentation (MRI) award supports the acquisition of a three-component particle-image velocity velocimetry (PIV) system to enable previously unavailable wind flow field measurements at the Wall-of-Wind (WOW) Natural Hazards Engineering Research Infrastructure (NHERI) facility. These data will enable improved understanding of the correlation of peak wind loads on buildings and turbulent flows around buildings in urban settings. Enhanced understanding of the physics of turbulent wind flows may lead to major breakthroughs in both fluid mechanics and wind engineering. This knowledge enables more resilient designs that enhance economic competitiveness and reduce property loss and loss of life during severe wind events such as hurricanes. The instrumentation will also spur new cross disciplinary research collaborations at WOW in areas ranging from pollutant dispersion in urban areas to energy systems and aerodynamics of unmanned aerial vehicles. The instrumentation will provide enhanced student research training with hands-on PIV measurements, new experimental modules, and exposure to a broad range of fluid dynamics research. The data from WOW experiments will be made available to community researchers through NHERI DesignSafe.There are fundamental knowledge gaps in characterizing turbulent wind flows at high Reynolds numbers-- particularly at complex fluid-structure interfaces. This high spatio-temporal resolution PIV system will enable simultaneous measurements of small-scale transient and turbulent flow characteristics, as well as of large-scale mean velocity field features. This will permit whole-flow-field measurements (rather than just the impact of wind on the built environment) to study fluid-structure interaction at high Reynolds numbers that cannot be achieved in conventional wind tunnels. The PIV will also provide an important tool for the validation of numerical models for turbulent flow simulations, and the fundamentals of fluid-structure interactions-- potentially leading to breakthroughs in wind engineering, fluid dynamics and high-fidelity computational fluid dynamics simulation.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.
这一重大研究仪器(MRI)奖支持收购三分量粒子图像速度测速(PIV)系统,以实现风墙(WOW)自然灾害工程研究基础设施(NHERI)设施以前无法获得的风场测量。这些数据将有助于更好地了解建筑物上的峰值风荷载与城市环境中建筑物周围的湍流之间的相关性。加强对湍流风物理的理解,可能会在流体力学和风工程方面带来重大突破。这一知识使更具弹性的设计能够提高经济竞争力,并在飓风等严重风力事件期间减少财产损失和生命损失。该仪器还将在WOW上推动新的跨学科研究合作,范围从城市地区的污染物扩散到能源系统和无人机的空气动力学。该仪器将通过动手PIV测量、新的实验模块以及接触广泛的流体动力学研究来增强学生的研究培训。来自WOW实验的数据将通过NHERI DesignSafe提供给社区研究人员。在描述高雷诺数下的湍流流动--特别是在复杂的流体-结构界面上--方面存在基本的知识空白。这种高时空分辨率的PIV系统将能够同时测量小尺度的瞬变和湍流特性,以及大尺度的平均速度场特征。这将使全流场测量(而不仅仅是风对建筑环境的影响)能够研究高雷诺数下的流固耦合,这在传统风洞中是无法实现的。PIV还将提供一个重要的工具,用于验证湍流模拟的数值模型,以及流体-结构相互作用的基本原理--可能导致风工程、流体动力学和高保真计算流体动力学模拟的突破。该奖项反映了NSF的法定使命,并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

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Arindam Chowdhury其他文献

ChartNet: Visual Reasoning over Statistical Charts using MAC-Networks
ChartNet:使用 MAC 网络对统计图表进行视觉推理
Spectrally resolved optical microscopy using a transmission grating spectrograph: importance of spatial selection.
使用透射光栅摄谱仪的光谱分辨光学显微镜:空间选择的重要性。
  • DOI:
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    0
  • 作者:
    D. Sharma;Arindam Chowdhury
  • 通讯作者:
    Arindam Chowdhury
Development of multifunctional fluorescence-emitting potential theranostic agents for Alzheimer's disease
用于阿尔茨海默病的多功能荧光发射潜在治疗诊断试剂的开发
  • DOI:
    10.1016/j.talanta.2025.127574
  • 发表时间:
    2025-05-15
  • 期刊:
  • 影响因子:
    6.100
  • 作者:
    Nilesh Gajanan Bajad;Gajendra T.A;Mansi Kothari;Rajat Mukherjee;Arindam Chowdhury;Ashok Kumar;Sairam Krishnamurthy;Sushil Kumar Singh
  • 通讯作者:
    Sushil Kumar Singh
Heterogeneity during Plasticization of Poly(vinylpyrrolidone): Insights from Reorientational Mobility of Single Fluorescent Probes.
聚(乙烯基吡咯烷酮)塑化过程中的异质性:来自单个荧光探针的重新取向迁移率的见解。
  • DOI:
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    3.3
  • 作者:
    Sukanya Bhattacharya;D. Sharma;S. De;Jaladhar Mahato;Arindam Chowdhury
  • 通讯作者:
    Arindam Chowdhury
U-Net Based Optic Cup and Disk Segmentation from Retinal Fundus Images via Entropy Sampling
通过熵采样从视网膜眼底图像中基于 U-Net 的视杯和视盘分割

Arindam Chowdhury的其他文献

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{{ truncateString('Arindam Chowdhury', 18)}}的其他基金

Mid-scale RI-1 (M1:DP): National Full-Scale Testing Infrastructure for Community Hardening in Extreme Wind, Surge, and Wave Events (NICHE)
中型 RI-1 (M1:DP):极端风、浪涌和波浪事件中社区强化的国家全面测试基础设施 (NICHE)
  • 批准号:
    2131961
  • 财政年份:
    2022
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Cooperative Agreement
Natural Hazards Engineering Research Infrastructure: Experimental Facility with Twelve-Fan Wall of Wind 2021-2025
自然灾害工程研究基础设施:十二扇风墙实验设施2021-2025
  • 批准号:
    2037899
  • 财政年份:
    2021
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Cooperative Agreement
MsRI-EW: Conference to Identify Research Infrastructure Concepts for a National Full-Scale 200 mph Wind and Wind-Water Testing Facility; Virtual; August 2020
MsRI-EW:确定国家全尺寸 200 英里/小时风和风水测试设施研究基础设施概念的会议;
  • 批准号:
    2034656
  • 财政年份:
    2020
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Standard Grant
Collaborative Research: Hybrid Experimental-Numerical Methodology and Field Calibration for Characterization of Peak Wind Effects on Low-Rise Buildings and Their Appurtenances
合作研究:混合实验数值方法和现场校准,用于表征峰值风对低层建筑及其附属物的影响
  • 批准号:
    1825908
  • 财政年份:
    2018
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Standard Grant
Natural Hazards Engineering Research Infrastructure: Experimental Facility with Twelve-Fan Wall of Wind
自然灾害工程研究基础设施:十二扇风墙实验装置
  • 批准号:
    1520853
  • 财政年份:
    2016
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Cooperative Agreement
NSF I-Corps Teams: Innovative Hurricane Damage Mitigation Systems
NSF I-Corps 团队:创新的飓风损害减轻系统
  • 批准号:
    1541142
  • 财政年份:
    2015
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Standard Grant
CAREER: Full-Scale Simulation of Peak Responses to Reduce Hurricane Damage to Low Buildings and Use of Related Research to Develop Hurricane-Engineering Expertise
职业:对峰值响应进行全面模拟,以减少飓风对低矮建筑物的损坏,并利用相关研究来发展飓风工程专业知识
  • 批准号:
    1151003
  • 财政年份:
    2012
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Standard Grant
Collaborative Research: Progressive Failure Studies of Residential Houses towards Performance Based Hurricane Engineering
合作研究:针对基于性能的飓风工程的住宅渐进式失效研究
  • 批准号:
    1234004
  • 财政年份:
    2012
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Standard Grant
Development of Effective Approaches to the Large-Scale Aerodynamic Testing of Low-Rise Buildings
低层建筑大规模空气动力测试有效方法的开发
  • 批准号:
    0928740
  • 财政年份:
    2009
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Standard Grant
MRI: Acquisition of Instrumentation to Create a Transformative Large- and Full-Scale Wind Testing Capability in Support of Sustainable Windstorm-Resilient, Energy-Efficient Communi
MRI:收购仪器以创建变革性的大规模、全面的风力测试能力,以支持可持续的抗风暴、节能的社区
  • 批准号:
    0923365
  • 财政年份:
    2009
  • 资助金额:
    $ 46.61万
  • 项目类别:
    Standard Grant

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