flux leakage

flux leakage

[′fləks ‚lēk·ij]
(electromagnetism)
Magnetic flux that does not pass through an air gap or other part of a magnetic circuit where it is required.
References in periodicals archive ?
Tenders are invited for tank floor scanning using low frequency electromagnetic technique (lfet) / magnetic flux leakage (mfl).
This additional gap causes toque reduction due to the flux leakage at air gap in high flux density operation such as xEV motoring mode.
INVESTIGATION OF FLYBACK TRANSFORMER FLUX LEAKAGE REDUCTION WAYS
Magnetic Flux Leakage: Theories and Imaging Technologies
RoCorr MFL-A Ultra is based on ultra-high-definition axial magnetic flux leakage (MFL-A) technology, and will enable the detection and reliable sizing of both minuscule pipe defects and complex defect groups.
We're now on to the fourth generation of magnetic flux leakage technology - a technology developed in the North East and one that is industry-leading."
We're now onto the fourth generation of magnetic flux leakage technology -- a technology which has been developed in the North East and one that is industry leading."
Some of the advanced and conventional NDT services provided by Axis are: Automated High Temperature Ultrasonic Corrosion Mapping, Time-of-flight diffraction (TOFD), Phased Array, Acoustic Emission, Long Range Ultrasonic Testing (LRUT), Small range Ultrasonic Testing (SRUT), Magnetic Flux Leakage (MFL) Tank Bottom Floor Testing, Exchanger Tube Inspection (ECT/RFT/MFL/IRIS), Boroscopic Inspection, Positive Material Identification, Vaccum Box Testing, Conventional Radiography Testing, Digital Radiography Testing, Magnetic Particle Testing, Ultrasonic Testing, Penetrant Testing, etc.
In this study, an MFL sensor was applied to detect the local fault (LF) damage of steel cables, by capturing the magnetic flux leakage. The magnetic flux leakage method is most suitable for continuous structures that have constant cross-sections, such as cables and pipes, and has been applied for the inspection of steel cables in the mining industry, for ski lifts, elevators, and for other applications [10-15].
However, there are some problems in existent permanent magnet motor such as lacking mature design program, poor sinusoidal characteristics of air gap flux density, big magnetic flux leakage, and low efficiency.
In the meantime, local elastic and plastic deformation of ferromagnetic material has been noticed during the experiment, and nonlinear variation of normal magnetic flux leakage happened on the surface of local variation area.
Electrical motors, especially those which feature an airgap as part of their circuit design, all suffer from magnetic flux leakage within their magnetic circuit paths.