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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Imprimir: 2152-5102
ISSN En Línea: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v28.i1-2.150
pages 196-207

Determination of Soundproofing of Construction Units on Basis of the General Wave Propagation Theory for a Multilayered Media

L. B. Lerman
Special Design and Engineering Office of S. P. Timoshenko's Institute of Mechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine
A. A. Tkachenko
Special Design and Engineering Office of S. P. Timoshenko Institute of Mechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine

SINOPSIS

The relations for calculation of soundproofing and the other acoustic characteristics of a planar construction units are presented, obtained from solving the combined problem of acousto-elasticity for a multilayered media. These relations form the basis of the developed technique that is embodied in the computational algorithms and software. The of this technique advantages are illustrated by several numerical examples. Reliability of the obtained results is verified by comparison with the experimental data, including those obtained by authors. The example of synthesis of the multilayered wall, providing the required soundproofing level, is presented.


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