Results 71 to 80 of about 57,861 (293)
Improved transducer for squeeze-film bearings [PDF]
, 1971 Transducer amplifies vibrations produced by piezoelectric drivers, creating greater amplitudes than were possible with direct drive devices. Drivers isolated from bearing surfaces result in bearings with high axial load capacity and stiffness, thus, wear
Hoogenbloom, L.
core +1 more source
, 2017 The fundamental shear horizontal (SH0) wave in plates is of great importance in the field of nondestructive testing (NDT) and structural health monitoring (SHM) since it is the unique non-dispersive guided wave mode.
Huan, Qiang, Li, Faxin, Miao, Hongchen
core +1 more source
Modal analysis and nonlinear characterization of an airborne power ultrasonic transducer with rectangular plate radiator [PDF]
, 2018 Some industrial processes like particle agglomeration or food dehydration among others can be enhanced by the use of power ultrasonic technologies.
Acosta, V.M. +3 more
core +1 more source
Advanced Materials, EarlyView.This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau +9 more
wiley +1 more source
Intelligent Acousto‐Electrical Metamaterials (IAM) for Sound Source Detection
Advanced Materials, EarlyView.Our proposed metamaterial concept enables sound source detection using a single material, in contrast to conventional arrays that require dozens or even hundreds of transducers. We show that the coupled acoustic–vibrational–electrical responses in piezoelectric metamaterials give rise to topology‐governed charge transport, producing distinct voltage ...
Victor Couëdel +7 more
wiley +1 more source
Low insertion loss air-coupled ultrasonic transducer with parallel laminated piezoelectric structure
AIP Advances, 2020 This work presents a low insertion loss air-coupled ultrasonic transducer with a parallel laminated piezoelectric structure. The relevant parameters of this structure are theoretically analyzed.
Xiaoyu Wang +7 more
doaj +1 more source
Photorefractive acoustoelectro-optic correlator [PDF]
, 1987 An optical correlator based on acoustoelectro-optic interaction is proposed. The device is experimentally demonstrated with a LiNbO3 crystal in which acoustic waves are launched by a piezoelectric transducer and electric fields are established through ...
Lee, Hyuk, Psaltis, Demetri
core
Monolithic piezoelectric transducers [PDF]
The Journal of the Acoustical Society of America, 1989 This paper will review new piezoelectric transducers concepts where layers of lead zirconate titanite (PZT) have been electroded and then cofired into a monolithic structure that was ready for poling and use in various types of transducers. These techniques were initially developed for underwater military applications, but are now ready to be applied ...
openaire +1 more source
Flexible Dielectric Acoustic Resonator Patch for Tissue Regeneration
Advanced Materials, EarlyView.A flexible dielectric acoustic resonator patch enables MHz‐range ultrasound generation through resonance amplification without using piezoelectric materials. Conformal integration on a curved substrate allows efficient acoustic delivery to tissue‐mimicking environments.
Donyoung Kang +7 more
wiley +1 more source
Analysis on the Radial Vibration of Longitudinally Polarized Radial Composite Tubular Transducer
Sensors, 2020 The radial vibration of a radial composite tubular transducer with a large radiation range and power capacity is studied. The transducer is composed of a longitudinally polarized piezoelectric ceramic tube and a coaxial outer metal tube.
Xiaoyu Wang, Shuyu Lin
doaj +1 more source