Experimental investigations of quasi-flat acoustic absorbers enhanced by metamaterial layers

The efficiency of acoustic absorbers used for noise control can be improved by providing a smooth transition from the impedance of air to the impedance of the absorbing material in question. In the present work, such a smooth transition is materialised via application of gradient index metamaterial...

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Bibliographic Details
Main Authors: Abdelhalim Azbaid El Ouahabi, Victor V. Krylov
Format: Default Article
Published: 2016
Subjects:
Other engineering not elsewhere classified
Acoustic metamaterials
Quasi-flat acoustic absorber
Impedance matching
Acoustic reflection
Engineering not elsewhere classified
Online Access:https://hdl.handle.net/2134/23807
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