Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer

In solving piezoelectric equations of motion, we established an electric–acoustic equivalent circuit of tangentially polarized thin cylindrical transducers and derived analytical expressions of the electric-acoustic response from the harmonic driving-voltage excitation. To experimentally verify the...

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Autores principales:	Lin Fa, Lianlian Kong, Hong Gong, Chuanwei Li, Lili Li, Tuo Guo, Jurong Bai, Meishan Zhao
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	thin cylindrical piezoelectric transducer polarization in tangential direction electric–acoustic impulse response parallel electric–acoustic transmission network Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/b4a7c334ea904b3ea13460e266022eb1
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id	oai:doaj.org-article:b4a7c334ea904b3ea13460e266022eb1
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spelling	oai:doaj.org-article:b4a7c334ea904b3ea13460e266022eb12021-11-25T18:23:12ZNumerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer10.3390/mi121113332072-666Xhttps://doaj.org/article/b4a7c334ea904b3ea13460e266022eb12021-10-01T00:00:00Zhttps://www.mdpi.com/2072-666X/12/11/1333https://doaj.org/toc/2072-666XIn solving piezoelectric equations of motion, we established an electric–acoustic equivalent circuit of tangentially polarized thin cylindrical transducers and derived analytical expressions of the electric-acoustic response from the harmonic driving-voltage excitation. To experimentally verify the findings, we manufactured a parallel electric-acoustic transmission network for transducers excited by multifrequency driving signals. We found that the tangentially polarized thin cylindrical transducers achieved a much higher electric-acoustic conversion efficiency than the radially polarized thin cylindrical transducers. The electric-acoustic impulse response of the transducers consisted of a direct-current damping with lower-frequency components, a damping oscillation with higher-frequency elements, and a higher resonant frequency of the transducer over its center frequency. The characteristics of radiated acoustic signals included contributions from the geometrical shape and size of the transducer, the physical parameters of piezoelectric material, the type of driving-voltage signals, and the polarization mode of the transducers. In comparison, our theoretical predictions are in good agreement with experimental observations. It is plausible that using the tangentially polarized thin cylindrical transducers as sensors in the acoustic-logging tool may significantly improve the signal-to-noise ratio of the measured acoustic-logging signals.Lin FaLianlian KongHong GongChuanwei LiLili LiTuo GuoJurong BaiMeishan ZhaoMDPI AGarticlethin cylindrical piezoelectric transducerpolarization in tangential directionelectric–acoustic impulse responseparallel electric–acoustic transmission networkMechanical engineering and machineryTJ1-1570ENMicromachines, Vol 12, Iss 1333, p 1333 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	thin cylindrical piezoelectric transducer polarization in tangential direction electric–acoustic impulse response parallel electric–acoustic transmission network Mechanical engineering and machinery TJ1-1570
spellingShingle	thin cylindrical piezoelectric transducer polarization in tangential direction electric–acoustic impulse response parallel electric–acoustic transmission network Mechanical engineering and machinery TJ1-1570 Lin Fa Lianlian Kong Hong Gong Chuanwei Li Lili Li Tuo Guo Jurong Bai Meishan Zhao Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer
description	In solving piezoelectric equations of motion, we established an electric–acoustic equivalent circuit of tangentially polarized thin cylindrical transducers and derived analytical expressions of the electric-acoustic response from the harmonic driving-voltage excitation. To experimentally verify the findings, we manufactured a parallel electric-acoustic transmission network for transducers excited by multifrequency driving signals. We found that the tangentially polarized thin cylindrical transducers achieved a much higher electric-acoustic conversion efficiency than the radially polarized thin cylindrical transducers. The electric-acoustic impulse response of the transducers consisted of a direct-current damping with lower-frequency components, a damping oscillation with higher-frequency elements, and a higher resonant frequency of the transducer over its center frequency. The characteristics of radiated acoustic signals included contributions from the geometrical shape and size of the transducer, the physical parameters of piezoelectric material, the type of driving-voltage signals, and the polarization mode of the transducers. In comparison, our theoretical predictions are in good agreement with experimental observations. It is plausible that using the tangentially polarized thin cylindrical transducers as sensors in the acoustic-logging tool may significantly improve the signal-to-noise ratio of the measured acoustic-logging signals.
format	article
author	Lin Fa Lianlian Kong Hong Gong Chuanwei Li Lili Li Tuo Guo Jurong Bai Meishan Zhao
author_facet	Lin Fa Lianlian Kong Hong Gong Chuanwei Li Lili Li Tuo Guo Jurong Bai Meishan Zhao
author_sort	Lin Fa
title	Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer
title_short	Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer
title_full	Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer
title_fullStr	Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer
title_full_unstemmed	Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer
title_sort	numerical simulation and experimental verification of electric–acoustic conversion property of tangentially polarized thin cylindrical transducer
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b4a7c334ea904b3ea13460e266022eb1
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Numerical Simulation and Experimental Verification of Electric–Acoustic Conversion Property of Tangentially Polarized Thin Cylindrical Transducer

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