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Surfzone Turbulence and Bubble Dynamics

Surfzone Turbulence and Bubble Dynamics
表面区湍流和气泡动力学
批准号:
0136088
负责人:
John Trowbridge
金额:
$27.28万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2002
资助国家:
美国
项目状态:
已结题
起止时间:
2002-02-15 至 2006-01-31

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中文摘要
翻译
将进行实地调查,研究气泡及其相关浮力在冲浪区的能量平衡中所起的作用。现有的测量结果与目前的紊流耗散模式不一致。假设与气泡相关的显著浮力通量可能对平均密度和耗散有重要影响。估计了由于空气夹带引起的耗散、空隙率和浮力通量的垂直结构。关于能量收支和冲浪区湍流的新理论将被定义和测试。
英文摘要
Trowbridge_0136088A field investigation will be carried out to study the role that bubbles and their associated buoyancy play in the energy balance of the surf zone. Existing measurements do not agree with present models of turbulent dissipation in this region. It is hypothesized that the a significant buoyancy flux associated with bubbles may have an important effect on mean density and, consequently, dissipation. The vertical structure of dissipation, void fraction, and buoyancy flux due to air entrainment will be estimated. New theory for energy budgets and surf zone turbulence will be defined and tested.
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Ocean Observatories Initiative Transition
  • 批准号:
    1836985
  • 项目类别:
    Cooperative Agreement
  • 资助金额:
    $99.99万
  • 财政年份:
    2018
  • 负责人:
    John Trowbridge
  • 依托单位:
Bottom Stress and the Generation of Vertical Vorticity Over the Inner Shelf
  • 批准号:
    1356060
  • 项目类别:
    Standard Grant
  • 资助金额:
    $72.97万
  • 财政年份:
    2014
  • 负责人:
    John Trowbridge
  • 依托单位:
Observational Mesoscale Context for Oceanic Turbulence Measurements Obtained during CBLAST-low
  • 批准号:
    0337892
  • 项目类别:
    Standard Grant
  • 资助金额:
    $2.4万
  • 财政年份:
    2003
  • 负责人:
    John Trowbridge
  • 依托单位:
Collaborative Research: Food Limitation in the Deep Sea: A Test of a Paradigm Using a Long Time-Series Photographic Monitoring System with Real-Time Data Aquisition
  • 批准号:
    0002223
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $18.35万
  • 财政年份:
    2001
  • 负责人:
    John Trowbridge
  • 依托单位:
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