Limits of slow sound propagation and transparency in lossy, locally resonant periodic structures

Limits of slow sound propagation and transparency in lossy, locally resonant periodic structures

We investigate sound propagation in lossy, locally resonant periodic structures by studying an air-filled tube periodically loaded with Helmholtz resonators and taking into account the intrinsic viscothermal losses. In particular, by tuning the resonator with the Bragg gap in this prototypical local...

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Bibliographic Details
Main Authors: G Theocharis, O Richoux, V Romero García, A Merkel, V Tournat
Format: Article
Language:English
Published: IOP Publishing 2014-01-01
Series:New Journal of Physics
Subjects:
slow sound
acoustic metamaterials
lossy periodic structures
43.20.Mv
43.20.Hq
43.20.Fn
Online Access:https://doi.org/10.1088/1367-2630/16/9/093017

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