Results 11 to 20 of about 10,739 (209)

Observation of elastic spin with chiral meta-sources

Nature Communications, 2021
’Following up on the recent theoretical demonstration here the authors bring us a step closer to the real implementation of efficient ultrasonic chiral sources.
Weitao Yuan, Chenwen Yang, Danmei Zhang, Yang Long, Yongdong Pan, Zheng Zhong, Hong Chen, Jinfeng Zhao, Jie Ren   +8 more
doaj   +1 more source

A noncontact ultrasonic platform for structural inspection [PDF]

, 2011
Miniature robotic vehicles are receiving increasing attention for use in nondestructive testing (NDE) due to their attractiveness in terms of cost, safety, and their accessibility to areas where manual inspection is not practical. Conventional ultrasonic
Dobie, Gordon, Galbraith, Walter, Hayward, Gordon, Pierce, S. Gareth, Summan, Rahul   +4 more
core   +1 more source

Numerical Investigation of Excitation of Various Lamb Waves Modes in Thin Plastic Films

Applied Sciences, 2022
Ultrasonic-guided waves are widely used for the non-destructive testing and material characterization of plates and thin films. In the case of thin plastic polyvinyl chloride (PVC), films up to 3.2 MHz with only two Lamb wave modes, antisymmetrical A0 ...
Rymantas Jonas Kazys, Justina Sestoke, Egidijus Zukauskas   +2 more
doaj   +1 more source

Synthetic aperture guided wave imaging using a mobile sensor platform [PDF]

, 2012
This oral session at conference looks at synthetic aperture guided wave imaging using a mobile sensor ...
Dobie, Gordon, Galbraith, Walter, MacLeod, Charles, Pierce, Gareth, Summan, Rahul   +4 more
core   +1 more source

Lamb Wave Interaction with Adhesively Bonded Stiffeners and Disbonds Using 3D Vibrometry

Applied Sciences, 2016
There are many advantages to adhesively bonding stiffeners onto aircraft structures rather than using traditional mechanical fastening methods. However there is a lack of confidence of the structural integrity of adhesively bonded joints over time ...
Ryan Marks, Alastair Clarke, Carol Featherston, Christophe Paget, Rhys Pullin   +4 more
doaj   +1 more source

Effect of incident angle on ultrasonic transmission in steam flow for use with clamp-on ultrasonic flowmeter

Mechanical Engineering Journal, 2020
Energy management in industrial plants requires measurements of the steam flow rates at each usage location. A clamp-on ultrasonic flowmeter can be used to effectively measure the steam flow rates in existing pipes.
Hideki MURAKAWA, Shuhei ICHIMURA, Masaki SHIMADA, Katsumi SUGIMOTO, Hitoshi ASANO, Shuichi UMEZAWA, Katsuhiko SUGITA   +6 more
doaj   +1 more source

Basic Regularities of Assessing Ore Pulp Parameters in Gravity Settling of Solid Phase Particles Based on Ultrasonic Measurements

Archives of Acoustics, 2019
The article describes the method of controlling the recovered grade based on measuring the intensity of volume ultrasonic oscillations and Lamb waves covering a fixed distance through the test medium and on a metal plate contacting the test medium at ...
Vladimir MORKUN, Natalia MORKUN, Vitalii TRON, Svitlana HRYSHCHENKO, Oleksandra SERDIUK, Irina DOTSENKO   +5 more
doaj   +1 more source

Characterization of the bond quality of adhesive plates utilizing zero-group-velocity Lamb waves measured by a laser ultrasonics technique

Mechanical Engineering Journal, 2014
The bonding quality of an adhesive component was estimated using the frequency of zero-group-velocity (ZGV) Lamb waves, which can be generated and detected with a laser ultrasonic technique.
Hideo CHO, Yudai YAGUCHI, Hiroaki ITO
doaj   +1 more source

Frequency-sweep examination for wave mode identification in multimodal ultrasonic guided wave signal [PDF]

, 2014
This article has been made available through the Brunel Open Access Publishing Fund.Ultrasonic guided waves can be used to assess and monitor long elements of a structure from a single position.
Balachandran, W, Boulgouris, NV, Fateri, S, Gan, T-H, Wilkinson, A   +4 more
core   +1 more source

Instantaneous baseline damage localisation using sensor mapping [PDF]

, 2016
In this paper an instantaneously recorded baseline method is proposed using piezoelectric transducers for damage localisation under varying temperature.
Aliabadi, MH, Salmanpour, MS, Sharif Khodaei   +2 more
core   +1 more source