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

AutorTakiy, A. E.; Granja, Silvio C. G.; Higuti, Ricardo Tokio; Kitano, C.; Elvira Segura, Luis; Martínez-Graullera, Óscar
Fecha de publicación11-may-2013
EditorResearch Publishing
CitaciónProceedings of the 2013 International Congress on Ultrasonics (ICU 2013)
ResumenThe 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 .
Descripción6 páginas, 3 figuras. Proceedings of the 2013 International Congress on Ultrasonics (ICU 2013). 2-5 may 2013, Singapore
Versión del editorhttp://www.acousticssingapore.com/html/P0305.xml
URIhttp://hdl.handle.net/10261/134452
DOI10.3850/978-981-07-5938-4_P0305
ISBN978-981-07-5938-4
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