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Materials 2016, 9(6), 453; doi:10.3390/ma9060453

Experimental Ultrasound Transmission through Fluid-Solid and Air-Solid Phononic Plates

Centro de Tecnologías Físicas, Universitat Politécnica de Valencia, Avd. Los Naranjos, s/n., Valencia 46022, Spain
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Academic Editor: Alkiviadis Paipetis
Received: 22 April 2016 / Revised: 31 May 2016 / Accepted: 3 June 2016 / Published: 7 June 2016
(This article belongs to the Special Issue Acoustic Waves in Advanced Materials)
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Abstract

Underwater ultrasonic transmissions for fluid-solid and air-solid phononic brass plates are reported in this work. Although the structure is roughly the same, experimental results show very different behaviour between fluid-solid and air-solid phononic plates, due to most of the properties of the fluid-solid perforated plates rely on Fabry-Perot resonances, Wood anomalies and Lamb modes. In air-solid phononic plates Fabry-Perot resonance is highly attenuated due to impedances difference between air and water, and therefore some transmission modes are now distinguishable due to surface modes coupling. View Full-Text
Keywords: subwalength hole array; perforated plate; phononic plate; Lamb waves subwalength hole array; perforated plate; phononic plate; Lamb waves
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gómez-Lozano, V.; Rubio, C.; Candelas, P.; Uris, A.; Belmar, F. Experimental Ultrasound Transmission through Fluid-Solid and Air-Solid Phononic Plates. Materials 2016, 9, 453.

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