Effect of machined surface shape on sound reflection

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F16%3A43874621" target="_blank" >RIV/70883521:28110/16:43874621 - isvavai.cz</a>
Alternative codes found
RIV/61989100:27230/16:86099591
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Effect of machined surface shape on sound reflection
Original language description
Sound reflection of materials is influenced by many factors, e.g. by material type, density, thickness, porosity, angle of sound incidence, surface shape and excitation frequency of acoustic wave. The aim of the paper is to investigate the surface shape effect of expanded polyvinylchloride material on sound reflection. For this reason polyvinylchloride samples of different surface shapes and perforations were produced on universal and CNC ma-chine tool. The material ability to reflect sound of the investigated polyvinylchloride samples was experimentally measured by means of the transfer function method on Kundt's impedance tube. The material samples were sub-sequently compared in terms of their sound reflection. It was verified that the highest sound reflection was ob-tained in case of the smooth surface polyvinylchloride sample.
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
JR - Other machinery industry
OECD FORD branch
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Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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