New Filtration Theory via Incorporation of Pore Scale Mechanisms Operating in the Presence of an Energy Barrier

通过结合在能量势垒存在下运行的孔隙尺度机制的新过滤理论

基本信息

  • 批准号:
    0822102
  • 负责人:
  • 金额:
    $ 42.66万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2008
  • 资助国家:
    美国
  • 起止时间:
    2008-08-15 至 2013-07-31
  • 项目状态:
    已结题

项目摘要

ABSTRACTCBET- 0822102Johnson, William P.University of UtahNew filtration theory via incorporation of pore scale mechanisms operating in the presence of an energy barrierThe principal objective of this proposal is to develop mechanistic models which accurately predict the retention of colloids in granular aquifer media under environmental conditions, where energy barrier (repulsion) exists between colloids and surfaces. The proposed research activities are to build on the platform previously developed for mechanistic description of colloid retention in the absence of an energy barrier (colloid filtration theory - CFT). The primary research hypothesis is that simulated values of colloid retention will match trends and values from experiments by using an innovative pore domain that incorporates the correct retention mechanisms operating in the presence of an energy barrier. This hypothesis will be tested using an adaptive strategy that prioritizes the work according to findings. The success of the approaches will be measured by comparison to trends and values quantifying colloid retention observed in pore- to continuum-scale experiments. The flow field will be solved in the pore domains using computational fluid dynamics (CFD) approaches. Simulated and experimental trends and magnitudes of colloid retention parameters will be compared across a range of colloid-collector size ratios, fluid velocities, and colloid-collector interaction energies.Scientists, practitioners, regulators, and the general public will benefit from an accurate method of prediction of collector efficiencies under conditions where repulsion exists. Two Ph.D. candidacies will be initiated with this project, and the career prospects of a Research Associate who also happens to be a single mom will be furthered by this project. Outreach to elementary school children will occur in the form of boat trips on the Great Salt Lake to provide hands-on inquiry-based exploration in partnership with scientists to explore the roles of particulates of all kinds in the stratified waters of the lake, e.g. from photosynthesis to contaminant scavenging and sedimentation.
本文的主要目的是建立一种能障条件下胶体与表面之间存在能障(排斥)的颗粒含水介质中胶体滞留的机理模型,该模型能准确地预测胶体在颗粒含水介质中的滞留情况。拟议的研究活动是建立在先前开发的平台上的胶体保留在没有能量障碍(胶体过滤理论- CFT)的机制描述。主要的研究假设是,胶体保留的模拟值将匹配的趋势和值从实验中使用一个创新的孔域,结合了正确的保留机制,在存在能量障碍。这一假设将使用一种适应性战略进行测试,该战略根据调查结果确定工作的优先次序。这些方法的成功将通过与在孔隙到连续规模实验中观察到的胶体保留的趋势和量化值进行比较来衡量。将使用计算流体动力学(CFD)方法在孔隙域中求解流场。模拟和实验的趋势和胶体保留参数的大小将在一系列的胶体收集器的尺寸比,流体速度,和胶体收集器的相互作用energy.Scientists,从业者,监管机构和公众将受益于一个准确的方法预测收集器的效率条件下,排斥存在。两个博士候选人将开始与这个项目,和研究助理谁也恰好是一个单身母亲的职业前景将进一步通过这个项目。对小学生的宣传活动将以在大盐湖上乘船游览的形式进行,与科学家合作提供基于实践调查的探索,探索湖泊分层沃茨水中各种颗粒物的作用,例如从光合作用到污染物清除和沉积。

项目成果

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William Johnson其他文献

V-braille: haptic braille perception using a touch-screen and vibration on mobile phones
V-braille:使用触摸屏和手机振动进行触觉盲文感知
  • DOI:
    10.1145/1878803.1878878
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    2
  • 作者:
    C. Jayant;Christine Acuario;William Johnson;Janet Hollier;R. Ladner
  • 通讯作者:
    R. Ladner
Distinct Patterns of CD4+ and CD8+ T-Cell Clonal Expansion Enable Broad Clinical Responses to Pembrolizumab + GVD in Patients with Relapsed Hodgkin Lymphoma
  • DOI:
    10.1182/blood-2023-185083
  • 发表时间:
    2023-11-02
  • 期刊:
  • 影响因子:
  • 作者:
    Beatriz Wills;Jahan Rahman;Nivetha Ganesan;Gunjan L. Shah;Ariela Noy;Heiko Schoder;Joachim Yahalom;Anita Kumar;Lorenzo Falchi;Paul A. Hamlin;Maria Lia Palomba;William Johnson;Andrew M. Intlekofer;Philip Caron;Theresa Davey;Helen Hancock;Natasha Galasso;Brittney Munayirji;Ya Hui Lin;Alayna Santarosa
  • 通讯作者:
    Alayna Santarosa
Feasibility and Outcomes of Outpatient and Short-Stay EVAR: A Retrospective Study and Review of the Literature
  • DOI:
    10.1016/j.jvs.2014.08.051
  • 发表时间:
    2014-11-01
  • 期刊:
  • 影响因子:
  • 作者:
    Aaron Lo A;Ivica Vucemilo;Sean Crawford;Chris Werneck;William Johnson;Marc Pope
  • 通讯作者:
    Marc Pope
Clinical Characteristics and Outcomes of Limited Stage High Grade B-Cell Lymphoma with <em>MYC/BCL2</em> and/or <em>BCL6</em> Rearrangements: A Single Center Experience
  • DOI:
    10.1182/blood-2023-173562
  • 发表时间:
    2023-11-02
  • 期刊:
  • 影响因子:
  • 作者:
    Jennifer Kimberly Lue;Efrat Luttwak;Philip Caron;Alexander P. Boardman;Kevin A. David;Alfredo Rivas-Delgado;Zachary D. Epstein-Peterson;Lorenzo Falchi;Paola Ghione;Paul A. Hamlin;Steven M. Horwitz;Andrew M. Intlekofer;William Johnson;Anita Kumar;Alison Moskowitz;Ariela Noy;Maria Lia Palomba;Robert Stuver;Pallawi Torka;Santosha A Vardhana
  • 通讯作者:
    Santosha A Vardhana
Suprarenal vs Infrarenal Graft Fixation Does Not Affect Outcomes After Endovascular Aortic Aneurysm Repair in Patients with Favorable Neck Anatomy
  • DOI:
    10.1016/j.jvs.2023.03.374
  • 发表时间:
    2023-06-01
  • 期刊:
  • 影响因子:
  • 作者:
    Molly Ratner;Caron Rockman;William Johnson;Todd Berland;Thomas S. Maldonado;Neal Cayne;Virendra I. Patel;Jeffrey J. Siracuse;Glenn Jacobowitz;Bhama Ramkhelawon;Heepeel Chang;Karan Garg
  • 通讯作者:
    Karan Garg

William Johnson的其他文献

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{{ truncateString('William Johnson', 18)}}的其他基金

EAGER: Mercury and methylmercury isotope tracing in high-dissolved organic matter high-salinity environments
EAGER:高溶解有机物高盐度环境中的汞和甲基汞同位素示踪
  • 批准号:
    2229765
  • 财政年份:
    2022
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Standard Grant
Acquisition of Flow Total Internal Reflection Fluorescence Video Microscopy System to Support Investigation of Nano- and Micro-Particle Transport and Surface Interaction
采集流全内反射荧光视频显微镜系统以支持纳米和微米颗粒传输和表面相互作用的研究
  • 批准号:
    2141193
  • 财政年份:
    2022
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Standard Grant
Collaborative Research: Development of a Better Understanding of Ambient RM Chemistry, Reactions Forming, and Methods for Measurement
合作研究:更好地理解环境 RM 化学、反应形成和测量方法
  • 批准号:
    2043165
  • 财政年份:
    2021
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Continuing Grant
Collaborative Research: Predicting Colloid Distribution in Subsurface Granular Media by Resolving Nanoscale Heterogeneity and Continuum-Scale Flow Field Topologic Impacts
合作研究:通过解决纳米级异质性和连续尺度流场拓扑影响来预测地下颗粒介质中的胶体分布
  • 批准号:
    1951676
  • 财政年份:
    2020
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Standard Grant
Geometry of Banach Spaces and Metric Spaces
Banach 空间和度量空间的几何
  • 批准号:
    1900612
  • 财政年份:
    2019
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Continuing Grant
PostDoctoral Research Fellowship
博士后研究奖学金
  • 批准号:
    1803120
  • 财政年份:
    2018
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Fellowship Award
Collaborative Research: Closing the Bulk Metallic Glass Data Gap in the Supercooled Region
合作研究:缩小过冷区域的块状金属玻璃数据差距
  • 批准号:
    1710744
  • 财政年份:
    2017
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Standard Grant
DMREF: Collaborative Research: Interface-promoted Assembly and Disassembly Processes for Rapid Manufacture and Transport of Complex Hybrid Nanomaterials
DMREF:合作研究:用于快速制造和运输复杂混合纳米材料的界面促进的组装和拆卸过程
  • 批准号:
    1629078
  • 财政年份:
    2016
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Standard Grant
Banach Space and Metric Geometry
巴纳赫空间和度量几何
  • 批准号:
    1565826
  • 财政年份:
    2016
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Continuing Grant
Collaborative Research: Nano- and micro-particle transport prediction in subsurface media: The role of heterogeneity and structure
合作研究:地下介质中纳米和微米颗粒的输运预测:异质性和结构的作用
  • 批准号:
    1547533
  • 财政年份:
    2016
  • 资助金额:
    $ 42.66万
  • 项目类别:
    Standard Grant

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I-Corps: Translation Potential of Cellulose-Nanofiber-Based Surface Agents for Enhancing Bioactive Filtration Efficiency
I-Corps:纤维素纳米纤维基表面剂在提高生物活性过滤效率方面的转化潜力
  • 批准号:
    2401619
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    2024
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Acoustically activated trapping for colloidal filtration: a multiscale experimental investigation using laser-based optical diagnostics
用于胶体过滤的声激活捕获:使用基于激光的光学诊断的多尺度实验研究
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    2236466
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    2023
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A Unified Experimental and Modelling Approach to Determine the Infectious Viral Bio-Aerosol Filtration Efficacy of Face Coverings.
确定面罩的传染性病毒生物气溶胶过滤功效的统一实验和建模方法。
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使用磁共振成像绘制单肾单位肾小球滤过率与肾脏自动调节机制
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Next generation additive manufacturing solution enabling local, sustainable and low cost production of energy efficient ceramic filtration membranes
下一代增材制造解决方案可实现本地、可持续和低成本生产节能陶瓷过滤膜
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