IEEE Access, 2020 Temperature and load variations significantly affect ultrasonic guided wave propagation and therefore lead to the increasing of diagnostic uncertainty of the guided wave-based structural health monitoring system, which may cause false reports and false ...
Yishou Wang +6 more
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A match coefficient approach for damage imaging in structural components by ultrasonic synthetic aperture focus [PDF]
, 2017 Ultrasonic Synthetic Aperture Focus (SAF) techniques are commonly used to image structural defects. In this paper, a variation of SAF based on ideas borrowed from Matched Field Processing (MFP) is evaluated to reduce artifacts and sidelobes of the ...
Lanza di Scalea, F. +4 more
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Hybrid Coded Excitation of the Torsional Guided Wave Mode T(0,1) for Oil and Gas Pipeline Inspection
Applied Sciences, 2022 Ultrasonic guided wave testing is an essential technique in non-destructive testing for structural integrity of oil and gas pipelines. This technique, based on the pulse-echo method, is often used for the long-range detection of pipelines at any location.
Zeng Fan +3 more
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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 +2 more
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Signal Enhancement Technology Based on Ultrasonic Guided Wave Rail Bottom Crack Detection
Chengshi guidao jiaotong yanjiu［Objective］ During the propagation of guided waves in rails, there are problems of poor anti-interference ability and severe signal attenuation, which hinder the identification of rail bottom cracks.
HE Jiping +7 more
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Chemical Engineering Transactions, 2016 Damages in pipes such as cracks and corrosions may threaten the integrity of pipeline. Using ultrasonic guided waves to detect these defects is efficient. The waves propagate in the pipe wall and carry information of the entire structure.
X.X. Li, S.Q. Zhou
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Numerical modeling and measurement by pulsed television holography of ultrasonic displacement maps in plates with through-thickness defects [PDF]
, 2010 We present a novel numerical modeling of ultrasonic Lamb and Rayleigh wave propagation and scattering by through-thickness defects like holes and slots in homogeneous plates, and its experimental verification in both near and far field by a self ...
Amlani, Faisal +6 more
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Flow estimation in a steel pipe using guided waves [PDF]
, 2016 In this investigation, a flow rate estimation guided wave based scheme in pipes is proposed. The effect of the fluid over the propagation of longitudinal waves has been experimentally studied by using several laminar flows of water transported by a ...
Mujica Delgado, Luis Eduardo +4 more
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Numerical Study on Ultrasonic Guided Waves for the Inspection of Polygonal Drill Pipes
Sensors, 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
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Independent Component Analysis for Improved Defect Detection in Guided Wave Monitoring [PDF]
, 2015 Guided wave sensors are widely used in a number of industries and have found particular application in the oil and gas industry for the inspection of pipework.
Cawley, P, Dobson
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