Magnetic flux leakage

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Magnetic flux leakage (MFL) is a magnetic method of nondestructive testing that is used to detect corrosion and pitting in steel structures, most commonly pipelines and storage tanks. (Wikipedia.org)






Conferences related to Magnetic flux leakage

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INTERMAG 2014 - IEEE International Magnetics Conference

Intermag is the premier conference on applied magnetics which allows scientists and engineers from all over to world to meet and discuss novel developments in magnetics, magnetic materials and associated technologies.


2013 6th International Symposium on Computational Intelligence and Design (ISCID)

Computational Intelligence techniques typically include Fuzzy Logic, Evolutionary Computation, Intelligent Agent Systems, Neural Networks, Cellular Automata, Artificial Immune Systems and other similar computational models.


2013 IEEE International Conference on Mechatronics and Automation (ICMA)

The objective of ICMA 2013 is to provide a forum for researchers, educators, engineers, and government officials involved in the general areas of mechatronics, robotics, automation and sensors to disseminate their latest research results and exchange views on the future research directions.


2013 IEEE Symposium on Industrial Electronics & Applications (ISIEA)

The symposium covers the areas of industrial electronics and industrial applications in general, that include areas of electronics engineering and its applications, computer engineering and applications, processing, mechatronics, instrumentation, measurement, and their applications in the humanities & commercial

  • 2012 IEEE Symposium on Industrial Electronics and Applications (ISIEA 2012)

    This annual symposium is to bring together scientists, engineers and postgraduates who work in these fields; to share their ideas and experience. Papers are solicited on recent research results, new developments and technology trends in the field of power electronics, industrial electronics, industrial applications, life-science applications, computer & network applications, measurement systems, business applications and ocean applications related technology.

  • 2011 IEEE Symposium on Industrial Electronics and Applications (ISIEA 2011)

    This annual symposium is to bring together scientists, engineers and postgraduates who work in these fields; to share their ideas and experience. Papers are solicited on recent research results, new developments and technology trends in the field of power electronics, industrial electronics, industrial applications, life-science applications, computer & network applications, measurement systems, business applications and ocean applications related technology.

  • 2010 IEEE Symposium on Industrial Electronics and Applications (ISIEA 2010)

    This annual symposium is to bring together scientists, engineers and postgraduates who work in these fields; to share their ideas and experience. Papers are solicited on recent research results, new developments and technology trends in the field of power electronics, industrial electronics, industrial applications, life-science applications, computer & network applications, measurement systems, business applications and ocean applications related technology.


2013 International Conference on Electrical Machines and Systems (ICEMS)

Main Topics1) PM, DC Machines and Drives2) Power Converters/Inverters3) Induction Machines and Drives4) Synchronous Machines and Drives5) Linear Machines and Magnetic Levitation6) Special Machines and Applications7) Renewable Energy and Related Topics8) Field Analysis and Computational Method9) Motion Control10) Fault and Diagnosis11) Designing, Manufacturing, Testing and Standards12) Transformers and High Voltage Machines13) OthersSpecial Topics1) High Speed Machine and Drives2) Personal Mobility3) EMI/EMC4) High Speed Train5) xEVs and Applications6) In-wheel Motors and Drives7) x-by-wire TechnologySpecial Topics1. High Speed Machine and Drives2. Personal Mobility3. In-wheel Motors and Drives4. x-by-wire Technology5. Electric Propulsion6. High Speed Train

  • 2012 15th International Conference on Electrical Machines and Systems (ICEMS)

    The conference will provide a big opportunity for researchers and professionals from all over the world to present the latest researches and developments and to exchange useful information and experiences in the fields of electrical machines and systems such as motor drive systems, turbine generators, linear machines, transformers, electric vehicles, renewable energy, power converters, etc.

  • 2011 International Conference on Electrical Machines and Systems (ICEMS)

    Electrical machines, power electronics and systems.

  • 2010 International Conference on Electrical Machines and Systems (ICEMS)

    1) Power Converters/Inverters 2) Systems for Renewable Energy 3) Motor Drives 4) PM Machines and DC Machines 5) Induction, Synchronous Machines 6) Transformers and High Voltage Machines 7) Linear Machines 8) Special Machines and Their Applications 9) Field Analysis and optimal Design Technologies 10) Electrical Technologies for the Next Generation Vehicle

  • 2009 International Conference on Electrical Machines and Systems (ICEMS)

    The aims of ICEMS2009 are to provide an opportunity for scientists and experts to present the latest research developments in the field of electrical machines and systems (rotating and other machines, power electronics, motion control, and motor drives) and to exchange useful information and experiences in research, trends and applications.

  • 2008 International Conference on Electrical Machines and Systems (ICEMS)

    The conference is a forum for specialists and engineers engaged in the field of electrical machines and drive systems to exchange their latest achievements and experiences of developments, trends and applications.

  • 2007 International Conference on Electrical Machines and Systems (ICEMS)

    MAIN TOPICS 1) Power Converters/Inverters 2) DC-DC Converters 3) Power Conditioning Systems for Renewable Energy 4) Motor Drives 5) PM Machines and DC Machines 6) Induction, Synchronous Machines 7) Transformers and Reactors 8) High Voltage Machines 9) Field Analysis and Optimal Design Technologies 10) Special Machines and Their Applications SPECIAL TOPICS 1) Status and Progress in Maglev Technology 2) Intelligent Mechatronics for Robotics and Advanced Vehicles (HEV & FCEV)


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Periodicals related to Magnetic flux leakage

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Energy Conversion, IEEE Transaction on

Research, development, design, application, construction, installation, and operation of electric power generating facilities (along with their conventional, nuclear, or renewable sources) for the safe, reliable, and economic generation of electrical energy for general industrial, commercial, public, and domestic consumption, and electromechanical energy conversion for the use of electrical energy


Industry Applications, IEEE Transactions on

The development and application of electric systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; the encouragement of energy conservation; the creation of voluntary engineering standards and recommended practices.


Magnetics, IEEE Transactions on

Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.



Most published Xplore authors for Magnetic flux leakage

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Xplore Articles related to Magnetic flux leakage

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Electroconductivity and structural-phase changes of anodic aluminum oxide implanted by titanium and molybdenum

I. I. Abramov; A. L. Danilyuk; G. V. Litvinovich; G. V. Sokol; E. A. Burova; V. V. Uglov; N. N. Cherenda Microwave Conference, 1999. Microwave & Telecommunication Technology. 1999 9th International Crimean [In Russian with English abstracts], 1999

Investigation results of electroconductivity and structural-phase changes in anodic aluminium oxide implanted by titanium and molybdenum ions are presented. Decrease of oxide resistance to the tens of Ohm's, transformation of amorphous state to the crystalline state and vice versa, and morphology changes of anodic aluminium oxide were found.


Reducing Cogging Torque in Surface-Mounted Permanent-Magnet Motors by Nonuniformly Distributed Teeth Method

Daohan Wang; Xiuhe Wang; Dongwei Qiao; Ying Pei; Sang-Yong Jung IEEE Transactions on Magnetics, 2011

This paper proposed a novel method for reducing cogging torque in surface- mounted permanent-magnet (PM) motors with nonuniformly distributed teeth. In this method, the width of one tooth tip is different from that of the others while all slot openings are the same. By suitable selection of the teeth width ratio, i.e., the width ratio of the one tooth tip ...


Computation of Leakage Flux and Magnetic Force in Transformer by Using Field-Circuit Coupled Finite Element Method

Xuejun Ma; Dan Zhang 2010 Asia-Pacific Power and Energy Engineering Conference, 2010

A power transformer operating in electric network is supplied by voltage source. When analyzing leakage flux and magnetic forces of the power transformer applied to windings, the field-circuit coupled 3D finite element method is needed because of the drawbacks of magnetic dipole model and 2D finite element method. The models were used for simulating and analyzing leakage flux and magnetic ...


Open crack depth evaluation using eddy current methods and GMR detection

D. J. Pasadas; A. Lopes Ribeiro; T. J. Rocha; Helena Geirinhas Ramos 2014 IEEE Metrology for Aerospace (MetroAeroSpace), 2014

In this paper the eddy current nondestructive method is used to determine the depth of linear cracks that were machined on aluminum plates. To improve this method a constant field probe was used to produce linear eddy currents launched across the crack. The tangential to plate magnetic field components perpendicular and parallel to the applied field were measured by a ...


Proposal of electromagnetic inspection of opposite side defect in steel using 3-D nonlinear FEM taking account of minor loop and residual magnetization

S. Yoshioka; T. Tujigou; Y. Gotoh 2016 IEEE Conference on Electromagnetic Field Computation (CEFC), 2016

The inspection of the opposite side defect in the steel wall in the petrochemical plant is necessary for safe maintenance. Generally, the alternating magnetic flux leakage testing (AMT) is used for detecting only the surface defect of the steel plate. In this paper, electromagnetic inspection method for the detecting of the opposite side defect in steel plate using this AMT ...


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Educational Resources on Magnetic flux leakage

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eLearning

Electroconductivity and structural-phase changes of anodic aluminum oxide implanted by titanium and molybdenum

I. I. Abramov; A. L. Danilyuk; G. V. Litvinovich; G. V. Sokol; E. A. Burova; V. V. Uglov; N. N. Cherenda Microwave Conference, 1999. Microwave & Telecommunication Technology. 1999 9th International Crimean [In Russian with English abstracts], 1999

Investigation results of electroconductivity and structural-phase changes in anodic aluminium oxide implanted by titanium and molybdenum ions are presented. Decrease of oxide resistance to the tens of Ohm's, transformation of amorphous state to the crystalline state and vice versa, and morphology changes of anodic aluminium oxide were found.


Reducing Cogging Torque in Surface-Mounted Permanent-Magnet Motors by Nonuniformly Distributed Teeth Method

Daohan Wang; Xiuhe Wang; Dongwei Qiao; Ying Pei; Sang-Yong Jung IEEE Transactions on Magnetics, 2011

This paper proposed a novel method for reducing cogging torque in surface- mounted permanent-magnet (PM) motors with nonuniformly distributed teeth. In this method, the width of one tooth tip is different from that of the others while all slot openings are the same. By suitable selection of the teeth width ratio, i.e., the width ratio of the one tooth tip ...


Computation of Leakage Flux and Magnetic Force in Transformer by Using Field-Circuit Coupled Finite Element Method

Xuejun Ma; Dan Zhang 2010 Asia-Pacific Power and Energy Engineering Conference, 2010

A power transformer operating in electric network is supplied by voltage source. When analyzing leakage flux and magnetic forces of the power transformer applied to windings, the field-circuit coupled 3D finite element method is needed because of the drawbacks of magnetic dipole model and 2D finite element method. The models were used for simulating and analyzing leakage flux and magnetic ...


Open crack depth evaluation using eddy current methods and GMR detection

D. J. Pasadas; A. Lopes Ribeiro; T. J. Rocha; Helena Geirinhas Ramos 2014 IEEE Metrology for Aerospace (MetroAeroSpace), 2014

In this paper the eddy current nondestructive method is used to determine the depth of linear cracks that were machined on aluminum plates. To improve this method a constant field probe was used to produce linear eddy currents launched across the crack. The tangential to plate magnetic field components perpendicular and parallel to the applied field were measured by a ...


Proposal of electromagnetic inspection of opposite side defect in steel using 3-D nonlinear FEM taking account of minor loop and residual magnetization

S. Yoshioka; T. Tujigou; Y. Gotoh 2016 IEEE Conference on Electromagnetic Field Computation (CEFC), 2016

The inspection of the opposite side defect in the steel wall in the petrochemical plant is necessary for safe maintenance. Generally, the alternating magnetic flux leakage testing (AMT) is used for detecting only the surface defect of the steel plate. In this paper, electromagnetic inspection method for the detecting of the opposite side defect in steel plate using this AMT ...


More eLearning Resources

IEEE.tv Videos

Stochastic Single Flux Quantum Neuromorphic Computing using Magnetically Tunable Josephson Junctions - Stephen Russek: 2016 International Conference on Rebooting Computing
ASC-2014 SQUIDs 50th Anniversary: 2 of 6 - John Clarke - The Ubiquitous SQUID
ISEC 2013 Special Gordon Donaldson Session: Remembering Gordon Donaldson - 7 of 7 - SQUID-based noise thermometers for sub-Kelvin thermometry
Interaction of ferromagnetic and superconducting permanent magnets - superconducting levitation
The Josephson Effect: The Original SQUIDs
The Josephson Effect: Brian Josephson Debates John Bardeen
Superconductive Energy-Efficient Computing - ASC-2014 Plenary-series - 6 of 13 - Wednesday 2014/8/13
Perpendicular magnetic anisotropy: From ultralow power spintronics to cancer therapy
A Discussion on Hard Drives
Magnetic Nanowires: Revolutionizing Hard Drives, RAM, and Cancer Treatment
35 Years of Magnetic Heterostructures
High Magnetic Field Science and its Application in the US - ASC-2014 Plenary series - 10 of 13 - Friday 2014/8/15
Spin Dynamics in Inhomogeneously Magnetized Systems - Teruo Ono: IEEE Magnetics Society Distinguished Lecture 2016
Magnetic Shield Implementation - EMC Society Demo
ISEC 2013 Special Gordon Donaldson Session: Remembering Gordon Donaldson - 6 of 7 - A high sensitive magnetometer system for natural magnetic field measurements
IEEE Magnetics 2014 Distinguished Lectures - JONATHAN COKER
Magmites: Wireless Resonant Magnetic Microrobots
Magnetic Materials and Magnetic Devices - Josep Fontcuberta: IEEE Magnetics Distinguished Lecture 2016
ASC-2014 SQUIDs 50th Anniversary: 4 of 6 - Keiji Enpuku
IEEE Magnetics 2014 Distinguished Lectures - Tim St Pierre

IEEE-USA E-Books

  • Distributed Windings and Rotating Electric Machinery

    This chapter focuses on a complicated winding arrangement known as a distributed winding, which is often used in rotating electric machinery. In these machines, the goal is to establish a continuously rotating set of north and south poles on the stator, which interact with an equal number of north and south poles on the rotor, to produce uniform torque. The winding function has three important uses. First, it is useful in determining the MMF caused by distributed windings. Second, it is used to determine how much flux links a winding. Third, the winding function is instrumental in calculating winding inductances. The chapter talks about the air-gap magnetomotive force (MMF). It explains the calculation of inductances of distributed windings. The problem of the computation of leakage inductance of a stator winding and the problem of finding the resistance of a distributed winding are considered.

  • HBFEM for Nonlinear Magnetic Field Problems

    This chapter discusses mainly the numerical modeling and analysis of electromagnetic fields in switching power supplies. It uses harmonic balance analysis, combined with the finite element method (FEM), to solve problems arising from non-linear, harmonic, eddy-current and power loss problems of transformers used in switching power supplies. The chapter also discusses the harmonic balance-FEM (HBFEM) model and computed results, compared with experimental results. The harmonic components of current and magnetic flux can help to accurately analyze and design the magnetic core and winding structures, and further determine the power loss and leakage flux in the magnetic system. The numerical model of voltage excitation with a nonlinear magnetic field is more accurate than conventional magnetic field-only analysis. The EM full wave solution can be obtained from HBFEM based numerical computation. To verify the HBFEM based solution, a single-phase direct current (DC)-biased switching transformer with a voltage source driven model is used.

  • Principles of Magnetic-Circuit Computations

    This chapter contains sections titled: Units for Practical Magnetic Calculations, Calculations for Magnetic Paths Wholly in Iron, Illustrative Example of Calculations for Magnetic Structure of Uniform Material and Cross- Sectional Area, Illustrative Examples of Calculations for Magnetic Structure of Uniform Material and Nonuniform Cross-Sectional Area, Occurence of Air Gaps in Ferromagnetic Circuits, Fringing and Leakage Fluxes, Methods of Calculations for Short Air Gaps, Illustrative Example of Calculations for a Simple Ferromagnetic Circuit with a Short Air Gap, Illustrative Examples of Calculations for Series-Parallel Iron and Short Air-Gap Paths, Calculations for Long Air Gaps and for Leakage Flux Paths, Illustrative Example of Calculations of Leakage Flux for the Magnetic Circuit of an Oscillograph, Calculations of the Magnetization Curve of a Direct-Current Dynamo, Problems

  • Magnetic Leakage in Transformers

    This chapter contains sections titled: Magnetic Leakage at no Load, Voltage Equations and Flux Distribution Under Load, Leakage Inductances, Exciting and Load Components of the Primary Current, An Equivalent Circuit, Effects of the Iron Core and Simplifying Approximations, Problems

  • Magnetics and Magnetic Equivalent Circuits

    This chapter sets forth the background needed to analyze electromagnetic and electromechanical systems. It includes a review of magnetics, particularly magnetostatics. The notion of magnetic equivalent circuits is explored as a fairly accurate technique for the analysis of magnetic systems. The chapter talks about (a) Ampere's law, and the relationship between magnetomotive force (MMF) sources and MMF drops in the form of Kirchhoff's MMF law, (b) the relationship between fluxes going into a common volume or node that is governed by Kirchhoff's flux law, and (c) Ohm's law for magnetic equivalent circuits. A section describes the relationship between the magnetic equivalent circuit and the corresponding electric equivalent circuit, and highlights the concepts of flux linkage and inductance. It explains leakage permeance so as to create a more accurate magnetic model, and the flux path. The final section of the chapter discusses finite element analysis (FEA), another technique for magnetic analysis.

  • Bibliography

    This chapter contains sections titled: Theory of Magnetism (Chapter I), Properties of Ferromagnetic Materials (Chapter I), Magnetic Testing (Chapters I, V), Iron-Core Reactors; Transformer Excitation Characteristics; Model Theory (Chapters VI, VII), Thermal Characteristics of Electric Apparatus (Chapter VIII), Textbooks on Transformers, Physical Features of Transformers (Chapter XI), Insulation and Surge Phenomena, Magnetic Flux Distribution and Leakage Impedance (Chapters XII, XIII, XIV), Voltage Regulation, Losses, Rating, and Thermal Characteristics (Chapter XIV), Economy in Power-System Transformer Applications (Chapter XVI), Communication Transformers (Chapters XVII, XVIII, XX), Instrument Transformers (Chapter XIX), Voltage-Regulating Transformers (Chapter XIX), Harmonic Phenomena in Three-Phase Circuits (Chapter XXIII), Unbalanced Conditions in Three-Phase Transformer Banks(Chapter XXIV), Multicircuit Transformers (Chapter XXVII), Phase Transformation; Parallel Operation of Transformers (Chapters XXVIII, XXIX)



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