Ocean Acoustics Turbulence Study

Abstract

The long-term goal is to measure in situ the three-dimensional wave number spectrum of ocean turbulence using high frequency broadband acoustic scatter. The aim of this effort is to develop tools and techniques to quantify acoustic scattering from scalar turbulence. This includes: verification of the theory used to describe the acoustic scatter; estimation of the three-dimensional spectral density (3dsd) of thermally generated turbulence from the acoustic scatter; comparison of the acoustic estimate to a classical turbulence model; description of the acoustic scatter from saline variability; and initiation of classification techniques of high frequency acoustic scattering sources.

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1998
Accession Number
ADA537346

Entities

People

  • John Oeschger

Tags

Communities of Interest

  • Sensors

DTIC Thesaurus Topics

  • Acoustic Scattering
  • Acoustic Waves
  • Acoustics
  • Bragg Scattering
  • Broadband
  • Classification
  • Computational Fluid Dynamics
  • Data Sets
  • Dissipation
  • Far Field
  • Frequency
  • Fresh Water
  • Kinetic Energy
  • Measurement
  • Scattering
  • Three Dimensional
  • Turbulence

Fields of Study

  • Physics

Readers

  • Acoustical Oceanography.
  • Fluid Mechanics and Fluid Dynamics.
  • Neurotrauma and Rehabilitation Medicine.