Exploring the potential of natural materials as eco-friendly sound absorbers

In recent years, the use of natural materials in acoustic applications has drawn a lot of interest as a viable and eco-friendly substitute for synthetic materials. This study examines the potential for sound absorption by natural materials and assesses how well they perform acoustically. The followi...

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Published inMaterials today : proceedings
Main Authors Salunkhe, Smita, Patil, Chetan, Thakar, Chetan M.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.03.2023
Subjects
Natural fibres
Natural materials
Sound absorption coefficient
Sound absorption coefficient
Natural fibres
Natural materials
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Abstract In recent years, the use of natural materials in acoustic applications has drawn a lot of interest as a viable and eco-friendly substitute for synthetic materials. This study examines the potential for sound absorption by natural materials and assesses how well they perform acoustically. The following factors are taken into account when assessing a material's acoustic performance: fibre size, thickness, density, porosity, pore tortuosity, and flow resistance. In-depth discussion is also given on the physics of sound wave interaction and the methods used to calculate the sound absorption coefficient. Kenaf, coconut fibre, jute felt, rice straw, tea leaf fibre, sugarcane bagasse, date palm fibre, and wool are among the sustainable resources that are the subject of the study. For kenaf, in particular, the effect of bulk density and thickness on sound absorption is examined. The study's findings demonstrate the potential of natural materials to offer reliable sound absorption options while fostering sustainability. Because they are renewable, biodegradable, and have a smaller environmental impact than synthetic materials, natural materials can be used in acoustic applications. Natural materials also have special acoustic characteristics that can be enhanced with the right preparation and handling. This study shows the potential of natural materials in offering sustainable acoustic solutions and offers useful insights for architects, engineers, and researchers working in the field of acoustic design. The results of this study can aid in the creation of new and enhanced acoustic materials, hence fostering sustainability and minimising the negative environmental effects of the built environment.
AbstractList In recent years, the use of natural materials in acoustic applications has drawn a lot of interest as a viable and eco-friendly substitute for synthetic materials. This study examines the potential for sound absorption by natural materials and assesses how well they perform acoustically. The following factors are taken into account when assessing a material's acoustic performance: fibre size, thickness, density, porosity, pore tortuosity, and flow resistance. In-depth discussion is also given on the physics of sound wave interaction and the methods used to calculate the sound absorption coefficient. Kenaf, coconut fibre, jute felt, rice straw, tea leaf fibre, sugarcane bagasse, date palm fibre, and wool are among the sustainable resources that are the subject of the study. For kenaf, in particular, the effect of bulk density and thickness on sound absorption is examined. The study's findings demonstrate the potential of natural materials to offer reliable sound absorption options while fostering sustainability. Because they are renewable, biodegradable, and have a smaller environmental impact than synthetic materials, natural materials can be used in acoustic applications. Natural materials also have special acoustic characteristics that can be enhanced with the right preparation and handling. This study shows the potential of natural materials in offering sustainable acoustic solutions and offers useful insights for architects, engineers, and researchers working in the field of acoustic design. The results of this study can aid in the creation of new and enhanced acoustic materials, hence fostering sustainability and minimising the negative environmental effects of the built environment.
Author Patil, Chetan
Salunkhe, Smita
Thakar, Chetan M.
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  organization: Savitribai Phule University, Pune, India
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Cites_doi 10.1016/j.apacoust.2007.12.005
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  doi: 10.1155/2016/5836107
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Snippet In recent years, the use of natural materials in acoustic applications has drawn a lot of interest as a viable and eco-friendly substitute for synthetic...
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Natural materials
Sound absorption coefficient
Title Exploring the potential of natural materials as eco-friendly sound absorbers
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