RESEARCH AND DEVELOPMENT EFFORT ON AN UNDERWATER SOUND SIGNAL

Abstract

An underwater sound signal that functions at a water depth of 21 +- 4 feet was designed for antisubmarine warfare training exercises. The device incorporates the use of air retardation as a new concept to solve the problem of cavitation at water entry. With air retardation, the velocity of the device can be stabilized to a point at which hydrostatic forces can be successfully applied within the shallow depths specified. In addition to air retardation, other improvements in basic design promise to upgrade the safety, accuracy, and reliability of the device and to make it available for shallow functioning after a 350-knot launching speed.

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Document Details

Document Type
Technical Report
Publication Date
Nov 15, 1961
Accession Number
AD0268443

Entities

People

  • H. W. Haight
  • L. R. Giattino

Organizations

  • Naval Ordnance Laboratory

Tags

Communities of Interest

  • Counter IED
  • Ground and Sea Platforms
  • Human Systems
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acoustic Signals
  • Aircrafts
  • Antisubmarine Aircraft
  • Antisubmarine Warfare
  • Deep Depth
  • Echo Ranging
  • Explosives
  • Hydrodynamic Characteristics
  • Hydrostatic Pressure
  • Materials
  • Munitions
  • Naval Operations
  • Navy
  • Ordnance Laboratories
  • Range Finding
  • Submarine Hulls
  • Test And Evaluation

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Software Engineering
  • Underwater engineering and Marine Technology.