DFVLR/FAA (Deutsche Forschungs-und Versuchsanstalt fuer Luft und Raumfahrt/Federal Aviation Administration) Propeller Noise Tests in the German-Dutch Wind Tunnel DNW. Appendix VI. The Effect of Engine-Cowling Installation,

Abstract

In this Appendix the test results on the effect of engine cowling installation are documented in terms of pressure time histories, narrow band spectra and unweighted as well as A weighted overall sound pressure levels, together with supplementary information necessary for further data interpretation.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1986
Accession Number
ADA174982

Entities

People

  • Hanno H. Heller
  • James E. Densmore
  • John O. Powers
  • Werner M. Dobrzynski

Tags

DTIC Thesaurus Topics

  • Acoustics
  • Air Temperature
  • Band Spectra
  • Data Acquisition
  • Data Analysis
  • Flow
  • Frequency
  • Mach Number
  • Microphones
  • Noise
  • Power Spectra
  • Propeller Noise
  • Propellers
  • Sound Pressure
  • Spectra
  • Test And Evaluation
  • Wind Tunnels

Readers

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  • Aerospace Engineering
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