Concept Evaluation for Ocean Shear Profiler.

Abstract

The concept of an acoustic vorticity meter for use as an oceanographic velocity shear profiler is evaluated. The vorticity measurement minimizes several noise sources including translational components of platform motion which severely degrade more traditional water velocity measurements, and it prewhitens the data. Present technology is capable of yielding a vorticity noise floor of 0.001 per second, or shear of 0.001 m/s/m, in an array size of 50 cm.

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Document Details

Document Type
Technical Report
Publication Date
Apr 11, 1980
Accession Number
ADA086107

Entities

People

  • J. P. Dugan

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Materials and Manufacturing Processes
  • Sensors
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Acquisition
  • Buoyancy
  • Energy
  • Energy Transfer
  • Frequency
  • Frequency Bands
  • Hot Wire
  • Instrumentation
  • Internal Waves
  • Measurement
  • Military Research
  • Richardson Number
  • Ship Motion
  • Test And Evaluation
  • Travel Time
  • Waves

Readers

  • Explosive Engineering.
  • Fluid Mechanics and Fluid Dynamics.
  • Oceanography.