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Low attenuation frequency bands for Lamb waves immersed in viscous fluids: theoretical analysis and experimental validation.

AuthorsTakiy, A. E.; Granja, Silvio C. G.; Higuti, Ricardo Tokio; Kitano, C.; Elvira Segura, Luis; Martínez-Graullera, Óscar CSIC ORCID
Issue Date11-May-2013
PublisherResearch Publishing
CitationProceedings of the 2013 International Congress on Ultrasonics (ICU 2013)
AbstractThe application of Lamb waves is a promising technique i n ultrasonic NDE techniques for inspection and fluid characterization due to multi modal and dispersive characteristics. When a plate is in contact with a viscous fluid these waves are strongly attenuated. However, for most of the Lamb wave modes there is a low at tenuation frequency band that could be used for non-destructive testing or fluid characteriz ation. In order to explore this feature the phase velocity and attenuation curves of Lamb modes are expe rimentally measured in these low attenuation frequency bands, showing good agreement with theory .
Description6 páginas, 3 figuras. Proceedings of the 2013 International Congress on Ultrasonics (ICU 2013). 2-5 may 2013, Singapore
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Appears in Collections:(CAEND) Comunicaciones congresos

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