Effective fiber diameter for modeling the acoustic properties of polydisperse fiber networks

Abstract : The purpose of this research is to determine whether the acoustic properties of polydisperse fibrous medium (PDFM) and bidisperse fibrous medium (BDFM) can be modeled by monodisperse fiber media (MDFM) with an effective fiber diameter. Multi-scale numerical simulations on representative elementary volumes of these media are performed to retrieve the transport and geometrical properties governing their acoustic properties. Results show no significant difference between predictions obtained by PDFM or BDFM, and their corresponding effective MDFM.
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Journal of the Acoustical Society of America, Acoustical Society of America, 2017, 141 (2), pp.EL96-EL101. 〈http://asa.scitation.org/doi/10.1121/1.4976114〉. 〈10.1121/1.4976114〉
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Hoang Tuan Luu, Raymond Panneton, Camille Perrot. Effective fiber diameter for modeling the acoustic properties of polydisperse fiber networks. Journal of the Acoustical Society of America, Acoustical Society of America, 2017, 141 (2), pp.EL96-EL101. 〈http://asa.scitation.org/doi/10.1121/1.4976114〉. 〈10.1121/1.4976114〉. 〈hal-01580011〉

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