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A study of methods of prediction and measurement of the transmission sound through the walls of light aircraft

Author
Forssen, B.
Published
Dec 1, 1981.
Physical Description
1 electronic document
Additional Creators
Wang, Y. S. and Crocker, M. J.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Several aspects were studied. The SEA theory was used to develop a theoretical model to predict the transmission loss through an aircraft window. This work mainly consisted of the writing of two computer programs. One program predicts the sound transmission through a plexiglass window (the case of a single partition). The other program applies to the case of a plexiglass window window with a window shade added (the case of a double partition with an air gap). The sound transmission through a structure was measured in experimental studies using several different methods in order that the accuracy and complexity of all the methods could be compared. Also, the measurements were conducted on the simple model of a fuselage (a cylindrical shell), on a real aircraft fuselage, and on stiffened panels.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19820007975.
Accession ID: 82N15848.
HL-81-34.
REPT-2.
NASA-CR-165040.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15717221