Defect Inspection of Complex Structure in Pipes by Guided Waves

Lee, Ping-Hung; Yang, Shiuh‐Kuang

doi:10.1007/978-90-481-9893-1_39

Cited by 4 publications

(4 citation statements)

References 1 publication

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“…Traditional nondestructive testing techniques have some limitations [4][5][6][7]. For example, magnetic particle testing can only detect ferromagnetic materials [8] and requires a low environment temperature; eddy current testing [9] can only detect conductive metal materials and non-metallic materials that can generate eddy currents; and radiographic testing [10] has high detection costs and slow detection speeds.…”

Section: Introductionmentioning

confidence: 99%

A New Method for Erosion Prediction of 90° Elbow Based on Non-Axisymmetric Ultrasonic-Guided Wave and the PSO–LSSVM Algorithm

Wang

Zhou

et al. 2023

Sensors

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The non-axisymmetric exciting guided wave can detect the thinning section of the elbow, and the time domain energy value of the signal collected at the outer arch position of the receiving end displays a downward trend as the remaining thickness of the erosion area decreases. To address the difficulty in detecting the erosion degree of the elbow with high accuracy, this paper uses the linear frequency modulation (LFM) signal to excite a non-axisymmetric guided wave that propagates in the 90° elbow and collects signals through four PZT receivers. To predict the erosion degree, the corresponding relationship between the energy value of the four signals after fractional Fourier filtering and the degree of elbow erosion is established through the particle swarm optimization (PSO)–least squares support vector machine (LSSVM) algorithm. The results show that the method proposed has an average accuracy rate of 98.1864%, 94.7167%, 99.119%, and 99.9593% for predicting the erosion degree of four elbow samples, and 94.0039%. and 81.2976% for two new erosion degrees, which are higher than the nonlinear regression model, LSSVM algorithm, and BP neural network algorithm. This study has guiding significance for real-time monitoring of elbow erosion.

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Section: Introductionmentioning

confidence: 99%

A New Method for Erosion Prediction of 90° Elbow Based on Non-Axisymmetric Ultrasonic-Guided Wave and the PSO–LSSVM Algorithm

Wang

Zhou

et al. 2023

Sensors

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“…Industrial pipeline systems are commonly used to transport oil, gas and petrochemical products (e.g., corrosive substances). In-service inspection is required to avoid catastrophic failures and to guarantee the safe operation of pipelines [1,2,3,4,5]. A defect is considered an elementary form of failure in pipes that could fail a safety system [4].…”

Section: Introductionmentioning

confidence: 99%

“…In-service inspection is required to avoid catastrophic failures and to guarantee the safe operation of pipelines [1,2,3,4,5]. A defect is considered an elementary form of failure in pipes that could fail a safety system [4]. A pipeline malfunctioning due to defects could lead to a reduction in or loss of profits in the oil, gas and petrochemical industries.…”

Section: Introductionmentioning

confidence: 99%

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Detection, Localisation and Assessment of Defects in Pipes Using Guided Wave Techniques: A Review

Ghavamian

Mustapha

Baharudin

et al. 2018

Sensors

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This paper aims to provide an overview of the experimental and simulation works focused on the detection, localisation and assessment of various defects in pipes by applying fast-screening guided ultrasonic wave techniques that have been used in the oil and gas industries over the past 20 years. Major emphasis is placed on limitations, capabilities, defect detection in coated buried pipes under pressure and corrosion monitoring using different commercial guided wave (GW) systems, approaches to simulation techniques such as the finite element method (FEM), wave mode selection, excitation and collection, GW attenuation, signal processing and different types of GW transducers. The effects of defect parameters on reflection coefficients are also discussed in terms of different simulation studies and experimental verifications.

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Accurate modeling and safety evaluation of dented pipeline with internal pressure based on reverse modeling technique

Ruan,

Nie,

Han

et al. 2024

Ships and Offshore Structures

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Defect Inspection of Complex Structure in Pipes by Guided Waves

Cited by 4 publications

References 1 publication

A New Method for Erosion Prediction of 90° Elbow Based on Non-Axisymmetric Ultrasonic-Guided Wave and the PSO–LSSVM Algorithm

A New Method for Erosion Prediction of 90° Elbow Based on Non-Axisymmetric Ultrasonic-Guided Wave and the PSO–LSSVM Algorithm

Detection, Localisation and Assessment of Defects in Pipes Using Guided Wave Techniques: A Review

Accurate modeling and safety evaluation of dented pipeline with internal pressure based on reverse modeling technique

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