Results 11 to 20 of about 13,198 (210)

Modeling and simulation of piezoelectric generator with indirect contact excited by vortex-induced vibration [PDF]

open access: yesE3S Web of Conferences, 2022
In the last years, the new research papers piezoelectric energy harvesting from vortex-induced vibration (PEH-VIV) are focused on indirect contact between airflow and piezoelectric transducer.
Mazar Hajar   +5 more
doaj   +1 more source

Piezoelectric ceramic materials on transducer technology for energy harvesting: A review

open access: yesFrontiers in Energy Research, 2022
Recently, energy harvesting through the means of piezoelectric transducer technology has increasingly attracted the attention of engineers and scientists in producing/generating electricity for human consumption.
V. E. Ogbonna   +2 more
doaj   +1 more source

Research and Fabrication of Broadband Ring Flextensional Underwater Transducer

open access: yesSensors, 2021
At present, high-speed underwater acoustic communication requires underwater transducers with the characteristics of low frequency and broadband. The low-frequency transducers also are expected to be low-frequency directional for realization of point-to ...
Jiuling Hu   +5 more
doaj   +1 more source

Design of Piezoelectric Ultrasonic Transducer Based on Doped PDMS

open access: yesSensors, 2021
The performance of the ultrasonic transducer will directly affect the accuracy of ultrasonic experimental measurement. Therefore, in order to meet the requirements of a wide band, a kind of annular 2-2-2 piezoelectric composite is proposed based on doped
Ran Yang   +3 more
doaj   +1 more source

Mathematical Modelling of Rod-Type Piezo-Electric Transducers for Acoustoelectronic Devices

open access: yesVìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2021
The work is devoted to the peculiarities of the construction and study of mathematical models of rod-type piezoelectric transducers, which are widely used in various acoustoelectronic devices (hydroacoustic means of target detection, ultrasonic non ...
C. V. Bazilo   +4 more
doaj   +1 more source

Effect of the Matching Circuit on the Electromechanical Characteristics of Sandwiched Piezoelectric Transducers

open access: yesSensors, 2017
The input electrical impedance behaves as a capacitive when a piezoelectric transducer is excited near its resonance frequency. In order to increase the energy transmission efficiency, a series or parallel inductor should be used to compensate the ...
Shuyu Lin, Jie Xu
doaj   +1 more source

Analysis on Coupled Vibration of a Radially Polarized Piezoelectric Cylindrical Transducer

open access: yesSensors, 2017
Coupled vibration of a radially polarized piezoelectric cylindrical transducer is analyzed with the mechanical coupling coefficient method. The method has been utilized to analyze the metal cylindrical transducer and the axially polarized piezoelectric ...
Jie Xu, Shuyu Lin, Yan Ma, Yifan Tang
doaj   +1 more source

Excitation of Mechanical Resonances in the Stationary Ring of a Mechanical Seal by a Continuously Operated Electromagnetic Acoustic Transducer

open access: yesSensors, 2023
Acoustic/ultrasonic testing is now a common method in the field of nondestructive testing for detecting material defects or monitoring ongoing mechanical changes in a structure during operation. In many applications, piezoelectric transducers are used to
Alexander Siegl   +3 more
doaj   +1 more source

Implementation of raindrops energy collector board using piezoelectric transducer

open access: yesMATEC Web of Conferences, 2018
Indonesia is a country that has a fairly high rainfall, because it is located in the tropical area. This condition could be a potential for generating electrical energy from raindrops.
Defiyani Eka   +2 more
doaj   +1 more source

Recent Advances in Transducers for Intravascular Ultrasound (IVUS) Imaging

open access: yesSensors, 2021
As a well-known medical imaging methodology, intravascular ultrasound (IVUS) imaging plays a critical role in diagnosis, treatment guidance and post-treatment assessment of coronary artery diseases.
Chang Peng   +4 more
doaj   +1 more source

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