Theoretical Assessment of Sound Absorption Coefficient for Anisotropic Nonwovens

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24620%2F13%3A%230000139" target="_blank" >RIV/46747885:24620/13:#0000139 - isvavai.cz</a>
Result on the web
<a href="http://www.qscience.com/doi/full/10.5339/connect.2013.3#referencesTab#" target="_blank" >http://www.qscience.com/doi/full/10.5339/connect.2013.3#referencesTab#</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.5339/connect.2013.3" target="_blank" >10.5339/connect.2013.3</a>

Result language
angličtina
Original language name
Theoretical Assessment of Sound Absorption Coefficient for Anisotropic Nonwovens
Original language description
The anisotropy factor as a function of fiber arrangement, fiber fineness and sample thickness has been derived from the theories of soundwave transformation due to phase changing. The sound absorption coefficient of the anisotropic fibrous material is then theoretically calculated. The fibrous materials were prepared so that the fibers are arranged parallel (perpendicularly laid fiber web called STRUTO technology) in the direction of soundwave propagation or perpendicularly (longitudinally laid fiber web) to the direction of sound propagation. The sound absorption coefficient was measured due to the Impedance tube. The theoretical results are in good agreement with experimental findings.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BI - Acoustics and oscillation
OECD FORD branch
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Project
<a href="/en/project/ED0005%2F01%2F01" target="_blank" >ED0005/01/01: Centre for nanomaterials, advanced technologies and innovation</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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