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Analysis of acoustic radiation of circular piezoelectric plates enclosed in a flat rigid shield

  • Acoustic Methods
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Russian Journal of Nondestructive Testing Aims and scope Submit manuscript

Abstract

Acoustic radiation of circular piezoelectric plates encased in a flat rigid shield is analyzed on the basis of a combined numerical-analytical method. It is shown that a plate made of piezoelectric ceramics of the second type with a higher dynamic coefficient of electromechanical coupling ensures a higher sensitivity in the transmission mode and a wider band of radiated frequencies. In addition, a plate of this type of piezoceramics has a lower level of side lobes of the directivity characteristic because of the more uniform normal-displacement distribution on its flat surface.

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Authors and Affiliations

  1. Department of Higher Mathematics, Far-East State Technological Fishing-Economy University, ul. Lugovaya, 52b, Vladivostok, Russia

    S. M. Balabaev & N. F. Ivina

Authors
  1. S. M. Balabaev
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  2. N. F. Ivina
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Correspondence to S. M. Balabaev.

Additional information

Original Russian Text © S.M. Balabaev, N.F. Ivina, 2011, published in Defektoskopiya, 2011, Vol. 47, No. 4, pp. 57–69.

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Balabaev, S.M., Ivina, N.F. Analysis of acoustic radiation of circular piezoelectric plates enclosed in a flat rigid shield. Russ J Nondestruct Test 47, 265–275 (2011). https://doi.org/10.1134/S1061830911040036

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  • DOI: https://doi.org/10.1134/S1061830911040036

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