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


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.

SUBMITTER: Gomez-Lozano V 

PROVIDER: S-EPMC5456776 | biostudies-other | 2016 Jun

REPOSITORIES: biostudies-other

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