Effect of the Change in Characteristics of a Sound-Absorbing Filler on Acoustic Properties of Sound-Absorbing Structures in the Noise Suppression System of Engines

In the present paper, we have considered the effect of a change in characteristics of a sound-absorbing filler in a glass-fiber-reinforced honeycomb layer on acoustic properties of sound-absorbing structures in the noise suppression system of engines. At that, the size and strengths parameters of th...

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Bibliographic Details
Published in:Polymer science. Series D, Glues and sealing materials Glues and sealing materials, 2019, Vol.12 (2), p.186-191
Main Authors: Shul’deshov, E. M., Nyrtsov, A. V., Sorokin, A. E., Petrova, A. P.
Format: Article
Language:English
Subjects:
Acoustic absorption
Acoustic noise
Acoustic properties
Acoustics
Chemistry
Chemistry and Materials Science
Engine noise
Fiber reinforced materials
Noise reduction
Polymer Sciences
Sound
Sound transmission
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Summary:In the present paper, we have considered the effect of a change in characteristics of a sound-absorbing filler in a glass-fiber-reinforced honeycomb layer on acoustic properties of sound-absorbing structures in the noise suppression system of engines. At that, the size and strengths parameters of the structure itself have no changes. This makes it possible to tune the acoustic characteristics at final stages of the engine development without necessity of any design changes, which considerably simplifies a process.
ISSN:1995-4212
1995-4220
DOI:10.1134/S1995421219020229