Results 11 to 20 of about 30,026 (291)

Application of Ultrasonic Guided Waves for Inspection of High Density Polyethylene Pipe Systems [PDF]

open access: yesSensors, 2020
The structural integrity assessment of thermoplastic pipes has become an interesting area of research due to its elevated usage in the liquid/gas transportation industry.
Premesh Shehan Lowe   +3 more
doaj   +2 more sources

Numerical Study on Ultrasonic Guided Waves for the Inspection of Polygonal Drill Pipes [PDF]

open access: yesSensors, 2019
The polygonal drill pipe is one of the most critical yet weakest part in a high-torque drill machine. The inspection of a polygonal drill pipe to avoid its failure and thus to ensure safe operation of the drilling machine is of great importance. However,
Xiang Wan   +5 more
doaj   +2 more sources

Non-Destructive Inspection of Impact Damage in Composite Aircraft Panels by Ultrasonic Guided Waves and Statistical Processing. [PDF]

open access: yesMaterials (Basel), 2017
This paper discusses a non-destructive evaluation (NDE) technique for the detection of damage in composite aircraft structures following high energy wide area blunt impact (HEWABI) from ground service equipment (GSE), such as heavy cargo loaders and ...
Capriotti M, Kim HE, Scalea FLD, Kim H.
europepmc   +4 more sources

Experimental and Numerical Studies on Bond Quality of Fully Grouted Rockbolt under Confining Pressure and Pull-Out Load

open access: yesShock and Vibration, 2022
In mining engineering, the in situ stress changes with the stress induced by the surrounding mining activities. It positively or negatively affects the propagation of ultrasonic guided waves in rockbolts.
Shuisheng Yu, Leilei Niu, Jin Chen
doaj   +1 more source

Detection of Arbitrary Frequency Ultrasonic Guided Wave Signals Based on the Time-Shift Duffing Oscillator

open access: yesIEEE Access, 2021
Low detection accuracy and narrow detection range are observed when detecting weak guided wave signals with the Duffing oscillator as a result of a limited frequency band.
Jing Wu   +5 more
doaj   +1 more source

Open Guided Waves: online platform for ultrasonic guided wave measurements [PDF]

open access: yesStructural Health Monitoring, 2018
Ultrasonic guided waves have been used successfully in structural health monitoring systems to detect damage in isotropic and composite materials with simple and complex geometry. A limitation of current research is given by a lack of freely available benchmark measurements to comparatively evaluate existing methods.
Jochen Moll   +8 more
openaire   +4 more sources

Ultrasonic Guided Waves [PDF]

open access: yes, 2020
The propagation of ultrasonic guided waves in solids is an important area of scientific inquiry, primarily due to their practical applications for nondestructive characterization of materials, such as nondestructive inspection, quality assurance testing, structural health monitoring, and providing a material state awareness.
openaire   +2 more sources

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

open access: yesApplied 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   +2 more
doaj   +1 more source

Ultrasonic guided waves in elliptical annular cylinders [PDF]

open access: yesThe Journal of the Acoustical Society of America, 2015
This paper studies the influence of cross-section ovalness or ellipticity on lower order axisymmetric guided wave modes in thin pipes. The second longitudinal mode L(0,2) and the fundamental torsional mode T(0,1) are studied, as these are of interest to current pipe inspection.
Prabhu, Rajagopal   +1 more
openaire   +2 more sources

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

open access: yes, 2012
This oral session at conference looks at synthetic aperture guided wave imaging using a mobile sensor ...
Dobie, Gordon   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy