Physical Analysis of the Impulsive Aspects of Helicopter Noise.

Abstract

An evaluation is made of several helicopter flyover noise calculation schemes intended to describe signal impulsive character. These schemes were proposed by ICAO member organizations. Data are presented for various recorded flyovers and for simulations of helicopter flyovers. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1977
Accession Number
ADA039715

Entities

People

  • William J. Galloway

Organizations

  • BBN Technologies

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Acoustics
  • Africa
  • Data Sets
  • Helicopters
  • Intervals
  • Low Earth Orbits
  • Noise
  • Ribs
  • Simulations
  • Sound Pressure
  • South Africa
  • Spectra
  • Standards
  • Tank Guns
  • Three Dimensional
  • Transfer Functions
  • Transport Aircraft

Fields of Study

  • Physics

Readers

  • Acoustics.
  • Aerospace Engineering
  • Computational Fluid Dynamics (CFD)