The Hydroacoustics of Beveled Steps and Gaps

Abstract

This report describes the work carried out under grant number N00014-12-1-0373 "Hydroacoustics of Beveled Steps and Gaps" at Florida Atlantic University. The project was in collaboration with Dr. William Devenport of Virginia Tech, who has carried out wind tunnel measurements on the steps and obstructions described in this report as part of a companion project. The overall objective of this study is to measure and predict the sound radiation from steps and gaps on large pales excited by turbulent boundary layers. Results are given showing the methods used to calculate the far field noise levels and how this is related to the boundary layer turbulence associated with different types of step.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2015
Accession Number
ADA626439

Entities

People

  • Benjamin S. Bryan
  • Stewart A. Glegg

Organizations

  • Florida Atlantic University

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Sensors
  • Space

DTIC Thesaurus Topics

  • Acoustic Measurement
  • Acoustics
  • Boundary Layer
  • Boundary Layer Flow
  • Computational Fluid Dynamics
  • Computational Science
  • Far Field
  • Fluid Dynamics
  • Fluid Mechanics
  • Layers
  • Measurement
  • Mechanical Engineering
  • Mechanics
  • Three Dimensional
  • Turbulent Boundary Layer
  • Two Dimensional
  • Wind Tunnels

Fields of Study

  • Physics

Readers

  • Acoustical Oceanography.
  • Fluid Mechanics and Fluid Dynamics.
  • Research Science/Academic Research