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Analysis of shear-horizontal waves propagating in a piezoelectric plate in contact with a semi-infinite fluid for liquid sensor application

B. Liu 1 ,
J. Yang 2 ,
Q. Jiang 3
1 Department of Mechanical Engineering, University of California, Riverside, CA 92521, USA
2 Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588-0526, USA
3 Department of Biomedical Engineering, School of Engineering, Sun Yat-Sen University, Guangzhou, China 510006

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 21 January 2013

35

Abstract

We study the propagation of shear-horizontal waves in a piezoelectric plate of monoclinic crystals in contact with a semi-infinite viscous fluid as an acoustic wave sensor for measuring fluid viscosity or density. Mindlin's first-order theory for piezoelectric plates and the theory of Newtonian fluids are used. Approximate dispersion relations for long face-shear and thickness-twist waves are given analytically. Numerical results showing the effects of the fluid and the piezoelectric coupling in the plate on basic wave propagation characteristics are presented.

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Citation

Liu, B., Yang, J. and Jiang, Q. (2013), "Analysis of shear-horizontal waves propagating in a piezoelectric plate in contact with a semi-infinite fluid for liquid sensor application", World Journal of Engineering, Vol. 9 No. 6, pp. 529-540. https://doi.org/10.1260/1708-5284.9.6.529

Publisher

:

Emerald Group Publishing Limited

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