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Acoustic characterization of recycled textile materials used as core elements in noise barriers.

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Title: Acoustic characterization of recycled textile materials used as core elements in noise barriers.
Authors: del Rey, Romina1, Berto, Laura1, Alba, Jesus1, Arenas, Jorge P.1
Source: Noise Control Engineering Journal. Sep/Oct2015, Vol. 63 Issue 5, p439-447. 9p.
Subjects: Noise barriers, Textiles & the environment, Waste recycling, Absorption of sound, Reverberation chambers
Abstract: Studies on new acoustic eco-materials are gaining importance as there is an increasing understanding about the benefits of the use of environmentally friendly materials. In producing noise control elements it is not only important to recycle but also to manufacture devices with recycled content. A noise barrier is one of the most used devices to reduce high noise levels. For designing these devices, a sound absorbing material is very often used as the core of the barrier. The main goal of this work is the design and testing of novel green sound absorbingmaterials used as part of noise barriers. Recycled textile materials and nontoxic binder fibers were employed to manufacture the eco-materials studied in this research. Acoustic characterization of prototype noise barriers was carried out in a customdesigned small-scale reverberation chamber for the testing of small samples. Results showed that new materials used in noise barrier prototypes performed very well according to international standards, with performance comparable with those of commercially available noise barriers made of typical sound absorbing materials. These new materials could be part of noise reducing devices incorporating an environmentally conscious technology. [ABSTRACT FROM AUTHOR]
Copyright of Noise Control Engineering Journal is the property of Institute of Noise Control Engineering of the USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: <searchLink fieldCode="JN" term="%22Noise+Control+Engineering+Journal%22">Noise Control Engineering Journal</searchLink>. Sep/Oct2015, Vol. 63 Issue 5, p439-447. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Noise+barriers%22">Noise barriers</searchLink><br /><searchLink fieldCode="DE" term="%22Textiles+%26+the+environment%22">Textiles & the environment</searchLink><br /><searchLink fieldCode="DE" term="%22Waste+recycling%22">Waste recycling</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+of+sound%22">Absorption of sound</searchLink><br /><searchLink fieldCode="DE" term="%22Reverberation+chambers%22">Reverberation chambers</searchLink>
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  Data: Studies on new acoustic eco-materials are gaining importance as there is an increasing understanding about the benefits of the use of environmentally friendly materials. In producing noise control elements it is not only important to recycle but also to manufacture devices with recycled content. A noise barrier is one of the most used devices to reduce high noise levels. For designing these devices, a sound absorbing material is very often used as the core of the barrier. The main goal of this work is the design and testing of novel green sound absorbingmaterials used as part of noise barriers. Recycled textile materials and nontoxic binder fibers were employed to manufacture the eco-materials studied in this research. Acoustic characterization of prototype noise barriers was carried out in a customdesigned small-scale reverberation chamber for the testing of small samples. Results showed that new materials used in noise barrier prototypes performed very well according to international standards, with performance comparable with those of commercially available noise barriers made of typical sound absorbing materials. These new materials could be part of noise reducing devices incorporating an environmentally conscious technology. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Noise Control Engineering Journal is the property of Institute of Noise Control Engineering of the USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3397/1/376339
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        Text: English
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        PageCount: 9
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      – SubjectFull: Noise barriers
        Type: general
      – SubjectFull: Textiles & the environment
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      – SubjectFull: Waste recycling
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      – SubjectFull: Absorption of sound
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      – SubjectFull: Reverberation chambers
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      – TitleFull: Acoustic characterization of recycled textile materials used as core elements in noise barriers.
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              M: 09
              Text: Sep/Oct2015
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              Y: 2015
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