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Measurements and Computations of Bubble Dynamics, Pressure and Velocity Fields During Cavitation Inception

Measurements and Computations of Bubble Dynamics, Pressure and Velocity Fields During Cavitation Inception
空化起始过程中气泡动力学、压力和速度场的测量和计算
批准号:
0095917
负责人:
Joseph Katz
金额:
$6.6万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-03-15 至 2002-02-28

项目摘要

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中文摘要
翻译
CTS-0095917 J。Katz,Johns霍普金斯大学该建议的目标是确定高雷诺数湍流边界层和剪切流中空化开始的临界条件。 这在涉及液体流动的工业应用中是一个重要问题。为了实现这一目标,建议使用新的实验技术,包括三次曝光的2-D PIV和3-D全息PIV同时测量瞬时压力和速度场。 实验结果将被用来指导和验证的数值代码的发展预测的临界条件的空化初生。
英文摘要
CTS-0095917J. Katz, Johns Hopkins UniversityThe goal of this proposal is the determination of the critical conditions for the onset of cavitation in high Reynolds number turbulent boundary layers and shear flows. This is an important problem in industrial applications involving flow of liquids. To accomplish this goal, it is proposed to use new experimental techniques including triple-exposure 2-D PIV and 3-D Holographic PIV to measure the instantaneous pressure and velocity fields simultaneously. The experimental results will be used to guide and validate the development of numerical codes for the prediction of the critical conditions for cavitation inception.
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Resolving the Structure of Turbulence in Rough Wall Channel Flows Using 3D, Time Resolved, Multiscale Velocity Measurements
  • 批准号:
    1438203
  • 项目类别:
    Standard Grant
  • 资助金额:
    $15.9万
  • 财政年份:
    2014
  • 负责人:
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  • 依托单位:
Turbulence in the Inner Part of a Combined Wave-Current Coastal Bottom Boundary Layer
  • 批准号:
    1031040
  • 项目类别:
    Standard Grant
  • 资助金额:
    $51.75万
  • 财政年份:
    2010
  • 负责人:
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  • 依托单位:
MRI: Development of Combined Holographic and Tomographic PIV Systems for Time Resolved, Multiscale, 3D Velocity Measurements Within Turbulent Shear Flows
  • 批准号:
    0923391
  • 项目类别:
    Standard Grant
  • 资助金额:
    $53.11万
  • 财政年份:
    2009
  • 负责人:
    Joseph Katz
  • 依托单位:
Elucidating the Flow Structure and Addressing Modeling Issues in Turbulent Boundary Layers Based on Multiscale, 3D Velocity Measurements
  • 批准号:
    0932941
  • 项目类别:
    Standard Grant
  • 资助金额:
    $40.0万
  • 财政年份:
    2009
  • 负责人:
    Joseph Katz
  • 依托单位:
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