Results 31 to 40 of about 2,754 (159)

Focusing Modeling of OPFC Linear Array Transducer by Using Distributed Point Source Method

Abstract and Applied Analysis, 2014
The improvement of ultrasonic phased array detection technology is a major concern of engineering community. Orthotropic piezoelectric fiber composite (OPFC) can be constructed to multielement linear array which may be applied conveniently to actuators ...
Ziping Wang, Ying Luo
doaj   +1 more source

Defect Detection Algorithm for Wing Skin with Stiffener Based on Phased-Array Ultrasonic Imaging

Sensors, 2023
In response to the real-time imaging detection requirements of structural defects in the R region of rib-stiffened wing skin, a defect detection algorithm based on phased-array ultrasonic imaging for wing skin with stiffener is proposed.
Chuangui Wu, GuiLi Xu, Yimeng Shan, Xin Fan, Xiaohui Zhang, Yaxing Liu   +5 more
doaj   +1 more source

Ultrasonic fingerprinting by phased array transducer

IOP Conference Series: Materials Science and Engineering, 2016
Increasing quantity of spent nuclear fuel that must be under national and international control requires a novel approach to safeguard techniques and equipment. One of the proposed approaches is utilize intrinsic features of casks with spent fuel. In this article an application of a phased array ultrasonic method is considered.
Sednev, Dmitry Andreevich, Kataeva, O., Abramets, V., Pushenko, P., Tverdokhlebova, T.   +4 more
openaire   +2 more sources

Ultrasonic phased array flexible coupling detection of defects in high-voltage cable terminal lead seals

Frontiers in Mechanical Engineering
High-voltage cable terminal lead seals may develop defects such as holes, cracks, or delamination due to substandard installation quality or external forces during operation.
Peng Ziping, Zheng Jishi, Zhen Zhiming, Huang Yaosheng, Li Xiaobin, Cai Qiushen   +5 more
doaj   +1 more source

Optimal Design of Sparse Array for Ultrasonic Total Focusing Method by Binary Particle Swarm Optimization

IEEE Access, 2020
Ultrasonic phased array technology is used in various fields. Traditional full phased arrays place elements in every position of a uniform lattice with half-wavelength spacing between the lattice points, so the hardware cost is very high.
Han Zhang, Bichao Bai, Jianfeng Zheng, Yun Zhou   +3 more
doaj   +1 more source

Acoustic Field of a Linear Phased Array: A Simulation Study of Ultrasonic Circular Tube Material

Sensors, 2019
As ultrasonic wave field radiated by an ultrasonic transducer influences the results of ultrasonic nondestructive testing, simulation and emulation are widely used in nondestructive testing. In this paper, a simulation study is proposed to detect defects
Zhitao Xiao, Yongmin Guo, Lei Geng, Jun Wu, Fang Zhang, Wen Wang, Yanbei Liu   +6 more
doaj   +1 more source

Fast and Smart State Characterization of Large-Format Lithium-Ion Batteries via Phased-Array Ultrasonic Sensing Technology

Sensors
Lithium-ion batteries (LIBs) are widely used in electric vehicles and energy storage systems, making accurate state transition monitoring a key research topic.
Zihan Zhou, Wen Hua, Simin Peng, Yong Tian, Jindong Tian, Xiaoyu Li   +5 more
doaj   +1 more source

An Improved Scheduling Algorithm for Data Transmission in Ultrasonic Phased Arrays with Multi-Group Ultrasonic Sensors

Sensors, 2017
High data transmission efficiency is a key requirement for an ultrasonic phased array with multi-group ultrasonic sensors. Here, a novel FIFOs scheduling algorithm was proposed and the data transmission efficiency with hardware technology was improved ...
Wenming Tang, Guixiong Liu, Yuzhong Li, Daji Tan   +3 more
doaj   +1 more source

FEA-Based Ultrasonic Focusing Method in Anisotropic Media for Phased Array Systems

Applied Sciences, 2021
Traditional ultrasonic imaging methods have a low accuracy in the localization of defects in austenitic welds because the anisotropy and inhomogeneity of the welds cause distortion of the ultrasonic wave propagation paths in anisotropic media.
Seongin Moon, To Kang, Soonwoo Han, Kyung-Mo Kim, Hyung-Ha Jin, Sung-Woo Kim, Munsung Kim, Hyunil Seo   +7 more
doaj   +1 more source

Study of Residual Stress Using Phased Array Ultrasonics in Ti-6AL-4V Wire-Arc Additively Manufactured Components

Sensors
This paper presents a study on residual stress measurement in wire-arc additively manufactured (WAAM) titanium samples using the non-destructive method of phased array ultrasonics. The contour method (CM) was used for the verification of the phased array
Joseph Walker, Brandon Mills, Yashar Javadi, Charles MacLeod, Yongle Sun, Pradeeptta Kumar Taraphdar, Bilal Ahmad, Sundar Gurumurthy, Jialuo Ding, Fiona Sillars   +9 more
doaj   +1 more source