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Year 2024, Volume: 32, 379 - 388, 30.12.2024

Yonka Ivanova Todor Partalin

https://doi.org/10.55549/epstem.1604667

Abstract

References

  • Ivanova Y., & Partalin, T. (2024). Experimental study of acoustical properties of recycled rubber panels. The Eurasia Proceedings of Science, Technology, Engineering & Mathematics (EPSTEM), 32, 379-388.

Experimental Study of Acoustical Properties of Recycled Rubber Panels

Year 2024, Volume: 32, 379 - 388, 30.12.2024

Yonka Ivanova Todor Partalin

https://doi.org/10.55549/epstem.1604667

Abstract

This paper is focused on the characterization of multilayer acoustic panels made from recycled rubber waste produced by the Zebra factory in Bulgaria. The acoustical characteristics of rubber samples as well as three-layer panels were investigated to determine their applications as sound barriers or resilient flooring. The experiments to determine the sound absorption and sound reflection coefficients were carried out in laboratory conditions using the standing wave method in the frequency range from 100 to 2000 Hz. The potential of recycled materials to reduce airborne and impact noise was investigated and discussed. The sound insulation coefficients of recycled rubber panels were determined by the "two-chamber" method in the frequency range from 100 to 4000 Hz. For this purpose, small acoustic chambers were constructed and tested. The dynamic properties (dynamic stiffness and damping ratio) of the experimental materials were also investigated by an impact test. The obtained results have been discussed and analyzed with a view to evaluating the possibilities of application as acoustic barriers and flooring.

Keywords

Recycled rubber panel Sound absorption Sound insulation Dynamic stiffness

References

  • Ivanova Y., & Partalin, T. (2024). Experimental study of acoustical properties of recycled rubber panels. The Eurasia Proceedings of Science, Technology, Engineering & Mathematics (EPSTEM), 32, 379-388.
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Details

Primary Language English
Subjects Classical Physics (Other)
Journal Section Articles
Authors

Yonka Ivanova

Todor Partalin

Early Pub Date December 21, 2024
Publication Date December 30, 2024
Submission Date May 23, 2024
Acceptance Date August 7, 2024
Published in Issue Year 2024 Volume: 32

Cite

APA Ivanova, Y., & Partalin, T. (2024). Experimental Study of Acoustical Properties of Recycled Rubber Panels. The Eurasia Proceedings of Science Technology Engineering and Mathematics, 32, 379-388. https://doi.org/10.55549/epstem.1604667
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