Unsaturated Magnetic Flux Leakage Detection and Identification of Scratches in Oil and Gas Pipelines
Shiyou jixie, 2022 The online detection technology for oil and gas pipelines can effectively detect metal loss defects, but it has limited ability to distinguish corrosion and mechanical damage scratches.
Zhang Xuewei +3 more
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Formation of magnetic flux tubes in cylindrical wedge geometry [PDF]
, 2012 Three-dimensional (3D) MHD numerical simulations have not been able to demonstrate convincingly the spontaneous formation of large vertical flux tubes.
Hurlburt, Neal +8 more
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Research of impact factors of wire rope flaw detector based on principle of magnetic flux leakage
Gong-kuang zidonghua, 2015 The paper introduced magnetic flux leakage testing principle of wire rope flaw detector, and used finite element analysis method to analyze impact factors of detection results of wire rope flaw detector based on flux leakage testing principle, the impact
ZHANG Cao, ZHU Chengjian, LIU Jiankang
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Pipe Crack Recognition Based on Eddy Current NDT and 2D Impedance Characteristics
Applied Sciences, 2019 Girth weld cracking of long-distance oil and gas pipelines yields substantial harm to pipeline safety and may cause serious accidents. As of today, non-destructive testing has been one of the most common methods for predicting potential faults and ...
Lianshuang Dai +5 more
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Evaluation of rope strand noise in wire ropes inspection using the magnetic flux leakage testing
Nihon Kikai Gakkai ronbunshu, 2021 Magnetic flux leakage testing to compensate for the visual inspection in the inspection of the wire ropes has been studied. In recent years, it has become possible to improve the damage detection accuracy by using a device which utilizes the hall effect ...
Kenya OHTSUKA +2 more
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A Review of Magnetic Flux Leakage Nondestructive Testing
, 2022 Magnetic flux leakage (MFL) testing is a widely used nondestructive testing (NDT) method for the inspection of ferromagnetic materials. This review paper presents the basic principles of MFL testing and summarizes the recent advances in MFL.
Hongming Tu +9 more
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Solar flux emergence : a three-dimensional numerical study [PDF]
, 2008 Flux is continually emerging on the Sun, making its way from the solar interior up into the atmosphere. Emergence occurs on small-scales in the quiet Sun where magnetic fragments emerge, interact and cancel and on large-scales in active regions where ...
Murray, Michelle J.
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Magnetic induction strength on surface of a ferro-medium circular cylinder
Theoretical and Applied Mechanics Letters, 2016 Based on the Ampere molecular current hypothesis and the Biot–Savart law, a magnetic model on the metal magnetic memory (MMM) testing of a specimen is proposed.
M. Jin
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Nondestructive testing systems with magnetic flux leakage (MFL)
, 2016 Paper P100, 1 S.Ferromagnetic components used in mechanical, automotive and civil engineering are mostly subject to high mechanical loads. Cracks, which may form during manufacture or in use, may lead to a complete failure of the component in the worst ...
Kurz, Jochen Horst +3 more
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Magnetic Flux Leakage Defect Detection Based on Deep Learning
Shiyou jixie, 2020 Traditional defect quantization of magnetic flux leakage lacks some components, and manual-extracted information is limited. This paper introduces a quantitative identification method based on deep learning and establishes a defect detection model for ...
Wang Hongan, Chen Guoming
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