Acoustic properties of loose and consolidated granulates

Auteurs-es

  • Kirill V. Horoshenkov Sch. of Eng., Design and Technology, University of Bradford, Bradford, BD7 1DP, United Kingdom
  • Siow N. Ting Sch. of Eng., Design and Technology, University of Bradford, Bradford, BD7 1DP, United Kingdom
  • Jan Rushforth Sch. of Eng., Design and Technology, University of Bradford, Bradford, BD7 1DP, United Kingdom
  • Mark J. Swift Armacell UK Limited, Mars St, Oldham, OL9 6LY, United Kingdom

Mots-clés :

Absorption, Acoustic impedance, Acoustic properties, Composite structures, Foams, Glass, Granular materials, Granulation, Polyvinyl chlorides, Pore size, Porous materials, Vibration control, Absorption coefficients, Acoustic absorbers, Fiberglass, Wavenumbers

Résumé

The acoustic performance of some porous materials made from loose and consolidated granulates was investigated. Loose mixes of granular and fibrous carpet tile waste were used for the this study. It was shown that a thin layer of recycled material can yield relatively high values of absorption coefficient. The results show that for the selected layer thickness the acoustic performance of the recycled carpet granulates is comparable or superior to that observed in the case of fiberglass in the low and medium frequency range.

Fichiers supplémentaires

Publié-e

2004-09-01

Comment citer

1.
Horoshenkov KV, Ting SN, Rushforth J, Swift MJ. Acoustic properties of loose and consolidated granulates. Canadian Acoustics [Internet]. 1 sept. 2004 [cité 5 mai 2026];32(3):22-3. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1608

Numéro

Vol. 32 No. 3 (2004)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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