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On the Existence of Water Turbulence Induced by Nonbreaking Surface Waves

机译：关于不间断面波引起的水湍流的存在

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摘要

This paper is dedicated to wave-induced turbulence unrelated to wave breaking. The existence of such turbulence has been foreshadowed in a number of experimental, theoretical, and numerical studies. The current study presents direct measurements of this turbulence. The laboratory experiment was conducted by means of particle image velocimetry, which allowed estimates of wavenumber velocity spectra beneath monochromatic nonbreaking unforced waves. Observed spectra intermittently exhibited the Kolmogorov interval associated with the presence of isotropic turbulence. The magnitudes of the energy dissipation rates due to this turbulence in the particular case of 1.5-Hz deep-water waves were quantified as a function of the surface wave amplitude. The presence of such turbulence, previously not accounted for, can affect the physics of the wave energy dissipation, the subsurface boundary layer, and the ocean mixing in a significant way.
机译：本文致力于与波浪破裂无关的波浪引起的湍流。在许多实验，理论和数值研究中都预言了这种湍流的存在。当前的研究提出了这种湍流的直接测量。实验室实验是通过粒子图像测速技术进行的，该技术可以估算单色非破坏性非强迫波下的波数速度谱。观察到的光谱间歇地显示出与各向同性湍流有关的Kolmogorov区间。在1.5Hz深水波的特殊情况下，由湍流引起的能量耗散率的大小被量化为表面波振幅的函数。这种湍流的存在（以前无法解决）会以显着方式影响波能耗散，地下边界层和海洋混合的物理性质。

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  • 来源
    《Journal of Physical Oceanography》 |2009年第10期|2675-2679|共5页
  • 作者

    Alexander V. Babanin; Brian K. Haus;

  • 作者单位

    Swinburne University of Technology, P.O. Box 218. Hawthorn, Melbourne, VIC 3122, Australia;

    Division of Applied Marine Physics, Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida;

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