Flow-Generated Noise of a Cylindrical Hydrophone

Abstract

A procedure for measuring water-flow-generated noise in the USRD type H62 hydrophone has been developed. The hydrophone was towed through water at a constant speed of 1 knot to simulate deep-ocean currents, and noise spectra were obtained with spectrum analyzer and averager equipment in the frequency range 0 to 1000 Hz. As much as 10 dB increase in noise was induced by the 1-knot water flow.

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Document Details

Document Type
Technical Report
Publication Date
Jan 15, 1975
Accession Number
ADA004162

Entities

People

  • T. A. Henriquez

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Air Compressors
  • Ambient Noise
  • Analyzers
  • Compressors
  • Deep Oceans
  • Flow Noise
  • Frequency
  • Line Spectra
  • Measurement
  • Military Research
  • Noise
  • Ocean Currents
  • Oceans
  • Spectra
  • Spectral Lines
  • Spectrum Analyzers
  • Water Flow

Fields of Study

  • Agricultural and Food sciences

Readers

  • Acoustical Oceanography.
  • Acoustics.
  • Approximation Theory.