Sound Absorbing Acoustic Horns

Abstract

An exploratory study of acoustic horns as non-reflective liners for water-filled anechoic tanks was conducted. The goal was to determine if a suitably shaped horn could improve the reflection loss characteristics of acoustic materials. Horns were constructed and tested. In certain cases, the presence of a horn or an array of horns in an absorbing material clearly improved the process in which energy enters a material so that it may be absorbed.

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Document Details

Document Type
Technical Report
Publication Date
Mar 14, 1986
Accession Number
ADA212831

Entities

People

  • Basil Vassos
  • Richard W. Harrison
  • Walter M. Madigosky

Organizations

  • Naval Surface Warfare Center

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Absorption
  • Acoustic Horns
  • Acoustic Impedance
  • Acoustics
  • Couplings
  • Experimental Data
  • Frequency
  • Frequency Response
  • Impedance
  • Insertion Loss
  • Losses
  • Materials
  • Measurement
  • Polyurethanes
  • Puerto Rico
  • Reflection
  • Security

Readers

  • Microwave Engineering.
  • Phased Array Antenna Design.
  • Sensor Fusion and Tracking Systems.