Results 21 to 30 of about 200,741 (275)
Tapered transmission line technique based graded matching layers for thickness mode piezoelectric transducers [PDF]
Conventionally, in order to acoustically match thickness mode piezoelectric transducers to a low acoustic impedance load medium, multiple quarter wavelength (QW) matching layers are employed at the front face of the device.
Ramadas, Sivaram Nishal +6 more
core +4 more sources
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
Mathematical Modelling of Rod-Type Piezo-Electric Transducers for Acoustoelectronic Devices
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
Analysis on Coupled Vibration of a Radially Polarized Piezoelectric Cylindrical Transducer
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
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
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
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
Study on energy transmission through metal wall based on piezoelectric material
The efficiency of electric energy transmission through metal wall by ultrasonic wave mainly depends on the relevant parameter of the sandwich structure system, which is consist of a transit piezoelectric transducer, a receive piezoelectric transducer and
Sun Yun-zhe +4 more
doaj +1 more source
MEMS-BASED WIRELESS VIBRATION TRANSDUCER FOR CONDITION MONITORING
Background. When monitoring vibration of rotating machines, especially heavy ones, problems with cables of transducers often emerge. Those cables are usually long, heavy and prone to damage. Objective. The purpose of the paper is to develop a wireless
Сергій Іванов +1 more
doaj +1 more source
Design parameters and modal optimization of radial vibration matching layer transducer
The radial vibration transducer based on the matching layer shell was designed. The influences of the material of the matching layer, the diameter of the transducer and the thickness of the piezoelectric vibrator on the modal shape of the transducer were
GUO Shuaihong, LI Jun, WANG Huantao
doaj

