Theory and Application of Magnetic Flux Leakage Pipeline Detection [PDF]
Sensors, 2015 Magnetic flux leakage (MFL) detection is one of the most popular methods of pipeline inspection. It is a nondestructive testing technique which uses magnetic sensitive sensors to detect the magnetic leakage field of defects on both the internal and external surfaces of pipelines.
Yan Shi, Rui Li, Maolin Cai
exaly +5 more sources
A flexible flux adjustable variable flux leakage starter‐generator for helicopters
IET Electric Power ApplicationsA variable flux leakage starter‐generator structure designed for helicopters is proposed. The research focuses on investigating the current distribution mechanism of the d‐q axis to determine the feasibility of incorporating variable flux leakage (FL) in
Hainiu Chen +4 more
doaj +3 more sources
Investigation of and Components of the Magnetic Flux Leakage in Ferromagnetic Laminated Sample [PDF]
Advances in Materials Science and Engineering, 2013 The magnetic flux leakage (MFL) technique is most commonly used for crack detection from iron bars, laminated sheets, and steel tubes of ferromagnetic nature.
Mustafa Göktepe
doaj +2 more sources
Quantitative method of pipeline magnetic leakage internal signal detection on the basis of an improved neural network [PDF]
Scientific ReportsIn response to the problem of poor quantification ability and unclear feature correlation of pipeline defect magnetic flux leakage signals, a neural network is proposed to establish the relationship between the characteristic quantities of pipeline ...
Guoqing Wang +3 more
doaj +2 more sources
Analysis of the Influence of Ferromagnetic Corrosion Products on Magnetic Flux Leakage Detection of Pipeline [PDF]
Cailiao BaohuMagnetic flux leakage internal detection is an efficient method for detecting defects in long-distance pipelines.However，some corrosion points (such as stray current corrosion) contain a large amount of ferromagnetic corrosion products， which can affect ...
ZHU Xinghui, HU Peng, MENG Xiangji, LYU Tan, GUO Bin, CHEN Jinzhong, ZHOU Demin
doaj +2 more sources
IEEE Access, 2019 When the end leakage flux or end leakage inductance cannot be ignored in a permanent magnet (PM) machine (e.g., a PM machine with a short axial length), the analysis of the machine is a time-consuming three-dimensional (3-D) issue.
Xianbao Chen +4 more
doaj +3 more sources
Electromechanical Characteristics Analysis of Magnetic Shield on Superconducting Magnetic Levitation Train [PDF]
MicromachinesThe guest room and aisle of electric high-speed maglev train must be shielded from leakage magnetic flux produced by superconducting strong magnetic field.
Mingyuan Hu +3 more
doaj +2 more sources
Theoretical Analysis of the Rectangular Defect Orientation using Magnetic Flux Leakage
Measurement Science Review, 2018 This paper presents an approach to estimate the orientation of the rectangular defect in the ferromagnetic specimen using the magnetic flux leakage technique.
Alaric J. Sam +4 more
doaj +2 more sources
Energy Reports, 2023 Leakage flux magnitude and pattern greatly affect transformer short-circuit resistance. In this paper, finite element calculations and experimental measurements is used to calculate the leakage magnetic field of a transformer.
Tiannan Meng +5 more
doaj +1 more source
Transformer inter‐turn failure detection based on leakage flux and vibration analysis
IET Electric Power Applications, 2021 Inter‐turn winding fault is one of the most critical failures of the transformers. Here, a comprehensive transformer leakage flux analysis under inter‐turn winding fault is presented, and the feasibility and sensitivity of leakage flux‐based fault ...
Salman Hajiaghasi +3 more
doaj +1 more source