Particle Image/Tracking Velocimetry (PIV/PTV) for Hydrodynamic Characterization of Microplastics
用于微塑料流体动力学表征的粒子图像/跟踪测速 (PIV/PTV)
基本信息
- 批准号:RTI-2022-00722
- 负责人:
- 金额:$ 10.93万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Research Tools and Instruments
- 财政年份:2021
- 资助国家:加拿大
- 起止时间:2021-01-01 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Particle Imaging/Tracking Velocimetry (PIV/PTV) techniques have widespread applications in many fundamental and applied research fields including fluid engineering, medical science, and environmental engineering. Combining these two velocimetry techniques allows non-intrusive characterization of the ambient carrier fluid as well as of the dispersed phase. PIV/PTV techniques have been utilized to parametrize multi-phase flow involving sediment particles, heavy metals, and air bubbles. They have been implemented primarily to investigate the rising or falling behaviours and entrainment in turbulent flow. In the past decade, small plastic particles known as microplastics (MPs), sized smaller than 5mm, have emerged as a hazardous pollutant due to their impact on aquatic animals and human health. Therefore, research on their detection in aquatic environments and ecological implications have gained significant attention. The distribution of MPs in such environments are closely associated with hydrodynamic conditions and some of the physical processes responsible for the mobilization of nutrients, oxygen, and sediments are also capable of transporting MPs. Despite their significance, our knowledge of the interaction of MPs and flow hydrodynamics is limited. The requested PIV/PTV system provides a unique tool for the applicants to carry out breakthrough research on MPs from a perspective that has never been explored before. The equipment will support research on the entrainment and long-distance transport of MPs and mobility and retention of sedimentary MPs. The proposed system is enhanced with machine learning algorithms that enable applicants to view the movement of MP particles in 3D, track particle trajectory, direction, shape, area, and velocity. Furthermore, the system's features, including resolution and speed, are designed to capture intricate features of very irregularly shaped MPs such as microfibres and films. The application of the proposed system, however, is not limited to MPs' characterization; the system will be utilized by applicants in other advanced areas of environmental hydrodynamics including aerated flow characterization. Furthermore, four collaborators at York University, Environment Climate Change Canada, and University of Windsor will be using and benefiting from the system on the basis of exiting collaborations with the applicants.
粒子成像/跟踪测速(PIV/PTV)技术在流体工程、医学、环境工程等基础和应用研究领域有着广泛的应用。结合这两种测速技术,可以非侵入式地表征环境携带流体和分散相。PIV/PTV技术已被用于参数化涉及泥沙颗粒、重金属和气泡的多相流。它们主要用于研究湍流中的上升或下降行为和夹带。在过去十年中,由于对水生动物和人类健康的影响,被称为微塑料(MPs)的尺寸小于5毫米的小塑料颗粒已成为一种有害污染物。因此,对它们在水生环境中的检测及其生态意义的研究受到了极大的关注。MPs在这些环境中的分布与水动力条件密切相关,一些负责调动营养物质、氧气和沉积物的物理过程也能够运输MPs。尽管它们具有重要意义,但我们对MPs与流体力学相互作用的了解有限。所申请的PIV/PTV系统为申请人提供了一个独特的工具,可以从以前从未探索过的角度对MPs进行突破性研究。该设备将支持MPs的夹带和长途运输以及沉积MPs的流动性和保留的研究。该系统通过机器学习算法进行了增强,使申请人能够在3D中查看MP粒子的运动,跟踪粒子轨迹、方向、形状、面积和速度。此外,该系统的特点,包括分辨率和速度,旨在捕捉非常不规则形状的MPs的复杂特征,如微纤维和薄膜。然而,所提出的系统的应用并不局限于MPs的表征;该系统将被申请人用于环境流体动力学的其他先进领域,包括曝气流动特性。此外,约克大学、加拿大环境气候变化和温莎大学的四名合作者将在与申请人现有合作的基础上使用并受益于该系统。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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KarimpourGhannadi, Shooka其他文献
KarimpourGhannadi, Shooka的其他文献
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{{ truncateString('KarimpourGhannadi, Shooka', 18)}}的其他基金
Modelling and Assessing Surge Wave Impacts on Hydrodynamic Mixing and Transport
模拟和评估浪涌波对水动力混合和传输的影响
- 批准号:
RGPIN-2020-06101 - 财政年份:2022
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$ 10.93万 - 项目类别:
Discovery Grants Program - Individual
Hidden microplastics of the Niagara Basin: distribution, variability, and ecotoxicology in water and sediments
尼亚加拉盆地隐藏的微塑料:水和沉积物中的分布、变异性和生态毒理学
- 批准号:
560377-2020 - 财政年份:2021
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$ 10.93万 - 项目类别:
Alliance Grants
Modelling and Assessing Surge Wave Impacts on Hydrodynamic Mixing and Transport
模拟和评估浪涌波对水动力混合和传输的影响
- 批准号:
RGPIN-2020-06101 - 财政年份:2021
- 资助金额:
$ 10.93万 - 项目类别:
Discovery Grants Program - Individual
Modelling and Assessing Surge Wave Impacts on Hydrodynamic Mixing and Transport
模拟和评估浪涌波对水动力混合和传输的影响
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RGPIN-2020-06101 - 财政年份:2020
- 资助金额:
$ 10.93万 - 项目类别:
Discovery Grants Program - Individual
Hidden microplastics of the Niagara Basin: distribution, variability, and ecotoxicology in water and sediments
尼亚加拉盆地隐藏的微塑料:水和沉积物中的分布、变异性和生态毒理学
- 批准号:
560377-2020 - 财政年份:2020
- 资助金额:
$ 10.93万 - 项目类别:
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Modelling and Assessing Surge Wave Impacts on Hydrodynamic Mixing and Transport
模拟和评估浪涌波对水动力混合和传输的影响
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- 资助金额:
$ 10.93万 - 项目类别:
Discovery Launch Supplement
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