Multiple Cracks Detection in Pipeline Using Damage Index Matrix Based on Piezoceramic Transducer-Enabled Stress Wave Propagation [PDF]
Sensors, 2017 Cracks in oil and gas pipelines cause leakage which results in property damage, environmental pollution, and even personal injury or loss of lives. In this paper, an active-sensing approach was conducted to identify the crack damage in pipeline structure
Guofeng Du +3 more
doaj +4 more sources
A Feasibility Study on Timber Damage Detection Using Piezoceramic-Transducer-Enabled Active Sensing [PDF]
Sensors, 2018 In recent years, piezoelectric-based transducers and technologies have made significant progress towards structural health monitoring and damage evaluation for various metal and concrete structures.
Jicheng Zhang, Yongshui Huang, Yu Zheng
doaj +4 more sources
A Feasibility Study on Timber Moisture Monitoring Using Piezoceramic Transducer-Enabled Active Sensing [PDF]
Sensors, 2018 In recent years, the piezoceramic transducer-enabled active sensing technique has been extensively applied to structural damage detection and health monitoring, in civil engineering. Being abundant and renewable, timber has been widely used as a building
Jicheng Zhang +4 more
doaj +4 more sources
Monitoring of Pre-Load on Rock Bolt Using Piezoceramic-Transducer Enabled Time Reversal Method [PDF]
Sensors, 2017 Rock bolts ensure structural stability for tunnels and many other underground structures. The pre-load on a rock bolt plays an important role in the structural reinforcement and it is vital to monitor the pre-load status of rock bolts.
Linsheng Huo +3 more
doaj +4 more sources
Directivity and Excitability of Ultrasonic Shear Waves Using Piezoceramic Transducers—Numerical Modeling and Experimental Investigations [PDF]
SensorsIn this paper, piezoceramic-based excitation of shear horizontal waves is investigated. A thickness-shear d15 piezoceramic transducer is modeled using the finite-element method.
Emil Aleksiewicz-Drab +3 more
doaj +2 more sources
3D Printing and processing of miniaturized transducers with near-pristine piezoelectric ceramics for localized cavitation [PDF]
Nature Communications, 2023 The performance of ultrasonic transducers is largely determined by the piezoelectric properties and geometries of their active elements. Due to the brittle nature of piezoceramics, existing processing tools for piezoelectric elements only achieve simple ...
Haotian Lu +17 more
doaj +2 more sources
Ultrasonic Transducers Made From Freeze-Cast Porous Piezoceramics [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2022 Porous and composite piezoelectric ceramics are of interest for underwater ultrasonic transducers due to their improved voltage sensitivity and acoustic matching with water, compared with their dense counterparts. Commonly, these materials are fabricated by dice-and-fill of sintered blocks of polycrystalline piezoceramic, which results in a high volume
Zuhayr Rymansaib +5 more
openaire +3 more sources
Piezoceramic Element Design and Fabrication for Ultrasonic Transducer of Gas Meter [PDF]
Journal of Chemical and Petroleum Engineering, 2019 Ultrasonic transducers play a significant role in generating and receiving the acoustic waves in ultrasonic flowmeters. Depending on the required accuracy, the ultrasonic transducers can be installed either in one pair or more in an ultrasonic flowmeter.
Seyed Foad Mousavi +1 more
doaj +2 more sources
A Matlab/Simulink 3D model of unsymmetrical ultrasonic sandwich transducers [PDF]
Serbian Journal of Electrical Engineering, 2018 Ultrasonic sandwich transducer is a half-wave resonant structure which oscillates in thickness direction. This paper presents a new Matlab/ Simulink model of a prestressed unsymmetrical ultrasonic sandwich transducer, which is modeled by ...
Jovanović Igor +2 more
doaj +1 more source
About Connectivity of Electronic and Mechanical Processes of Sound Receiving in thePiezoceramic Medium of Cylindrical Transducer in the Presence of a Flat Screen [PDF]
Журнал нано- та електронної фізики, 2017 According to rigorous method of related fields in multi connected regions solved the problem of the reception of sound waves by flat cylindrical piezoceramic transducer in the presence of an acoustically hard flat screen.
A.V. Derepa +2 more
doaj +1 more source