A Surface Duct Leakage Term Applicable to Shallow Ducts at Low Frequencies.

Abstract

A new term is proposed for inclusion in a formula in common use for the calculation of acoustic propagation loss to extend its range of applicability to a shallow duct at low frequencies. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1979
Accession Number
ADA078402

Entities

People

  • G. Gartrell

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Absorption
  • Absorption Coefficients
  • Acoustic Propagation
  • Coefficients
  • Department Of Defense
  • Frequency
  • Language
  • Measurement
  • National Security
  • New Zealand
  • Underwater Sound
  • United States

Fields of Study

  • Physics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Wave Propagation and Nonlinear Chaotic Dynamics.