Abstract
Receiving electroacoustic transducers with sensing elements made of an elastic piezoelectric composite material are described. The parameters of a composite material that exhibits a bulk piezoelectric effect are presented. Results obtained by measuring the turbulent noise in a hydrodynamic channel with the use of piezoelectric composite receivers are reported. The results are compared with those of the noise measurements by a miniature piezoceramic receiver and are considered in the light of the known models of near-wall turbulence.
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Translated from Akusticheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 47, No. 4, 2001, pp. 460–465.
Original Russian Text Copyright © 2001 by Golyamina, Greshilov, Mironov, Rastorguev.
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Golyamina, I.P., Greshilov, E.M., Mironov, M.A. et al. The use of distributed pressure receivers based on elastic piezoelectric composite materials for measuring the hydrodynamic noise produced by a near-wall turbulence. Acoust. Phys. 47, 392–397 (2001). https://doi.org/10.1134/1.1385411
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DOI: https://doi.org/10.1134/1.1385411