NDLI: Compressional acoustic waves in structure “Piezocylinder - viscoelastic layer

Content Provider	IEEE Xplore Digital Library
Author	Teplykh, A. Zaitsev, B. Kuznetsova, I.
Copyright Year	2013
Description	Author affiliation: Inst. of Radio Eng. & Electron., Moscow, Russia (Kuznetsova, I.) \|\| Saratov Branch, Inst. of Radio Eng. & Electron. of RAS, Saratov, Russia (Teplykh, A.; Zaitsev, B.)
Abstract	In this paper the characteristics (phase velocity and attenuation coefficient) of compressional acoustic waves propagated in piezoelectric cylinder covered by viscoelastic polymeric layer and immersed into viscous fluid are investigated. It is well known that propagation of such waves can be accompanied by radiation of bulk acoustic wave into liquid contacting with the waveguide. This happens in the case if the phase velocity of the wave in the corresponding structure exceeds the speed of sound in the liquid. Due to this, the attenuation of corresponding waves caused by two reasons: it is the viscosity of the liquid and radiation losses. Our calculations allow us to estimate the contribution of each of these mechanisms into the overall attenuation.
Sponsorship	IEEE Ultrason., Ferroelectr., Freq. Control Society
Starting Page	1049
Ending Page	1052
File Size	569870
Page Count	4
File Format	PDF
ISSN	19485719
e-ISBN	9781467356862
DOI	10.1109/ULTSYM.2013.0269
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Liquids Acoustic waves Attenuation Equations Liquid waveguides radiation losses compressional acoustic wave piezocylinder viscoelastic matching layer
Content Type	Text
Resource Type	Article

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