Research Catalog

Principles of sound control in airplanes

Title
Principles of sound control in airplanes / Leo L. Beranek, director [and others].
Author
Beranek, Leo L. (Leo Leroy), 1914-2016
Publication
Cambridge, Mass. : Harvard University, 1944.

Items in the Library & Off-site

Filter by

1 Item

StatusFormatAccessCall NumberItem Location
Request for On-site UseRequest Scan
How do I pick up this item and when will it be ready?
TextUse in library 9252.167Off-site

Details

Additional Authors
  • Harvard University. Cruft Memorial Laboratory.
  • United States. Office of Scientific Research and Development. National Defense Research Committee.
Description
vi, 388 pages : illustrations; 24 cm
Subject
  • Airplanes
  • Soundproofing
  • airplanes
Note
  • "OSRD no. 1543."
  • On cover: Restricted.
Contents
pt I. Estimation and measurement of sound levels in airplanes. Object ; Procedure and apparatus ; Estimation of sound levels and spectra in airplanes ; Measurements of sound levels and spectra in eighteen types of airplanes at normal cruising flight conditions ; Variation of sound levels and spectra as a function of position in the airplane ; Variation of sound levels and spectra as a function of flight conditions ; Variation of sound levels and spectra as a function of different propeller and exhaust conditions ; Variation of sound levels and spectra as a function of wind leaks around doors windows hatches and turrets and of ventilator design ; Variation of sound levels and spectra as a function of altitude ; The effect of noise on communications and psychomotor efficiency -- pt II. Materials for sound control in airplanes. Object ; Introduction ; Sound transmission through imperious structures ; Sound transmission through absorptive structures ; Sound absorption by various structures ; Sound absorption as a function of the properties of trim cloths ; Flow resistance of fibrous materials -- pt III. Practical procedures for sound treating airplanes. Introduction ; Factor of basic design affecting sound levels ; Procedure for design of acoustical treatment for flight deck of a hypothetical bomber ; Additional information pertinent to the sound treatment of airplanes ; Conclusions ; Collected computational charts and tables -- Appendix A : Properties and measurement of sound -- Appendix B : Apparatus for measuring sound transmission, absorption and flow resistance -- Appendix C : Tabulation of transmission characteristics for measured acoustical structures -- Appendix D : Letters of authority (manufacturer's release for data published).
LCCN
48040325
OCLC
  • ocm06263197
  • 6263197
  • SCSB-235190
Owning Institutions
Princeton University Library