A PRELIMINARY STUDY OF THE ACOUSTIC TRANSMISSION LOSS OF TWO FIBERGLAS NOSE-CONE SHAPES

Abstract

An experimental acoustic survey was conducted inside two fiberglas missile nose cones in a simulated noise field at two intensities and two distances from the noise source. Data indicated an effect of geometric shape on spectral distribution and internal standing waves near the forward part of the nose cone. Empirical methods of computing transmission loss through the nose cone were unsatisfactory for determining sound levels within the nose cone. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1961
Accession Number
AD0258757

Entities

People

  • Vern G. Rollin

Organizations

  • National Aeronautics and Space Administration

Tags

DTIC Thesaurus Topics

  • Intensity
  • Losses
  • Nose Cones
  • Noses
  • Standing Waves
  • Transmission Loss
  • Waves

Fields of Study

  • Physics

Readers

  • Explosive Engineering.
  • Fluid Dynamics.
  • Speech Processing/Speech Recognition.