Eddy current magnetic field degaussing systemPROBLEM TO BE SOLVED: To enable sure detection of the changing value only of an eddy current magnetic field accompanied by the fluctuations of a hollow structure body which is not caused by the change in the geomagnetism.今岡 博生...
PURPOSE:To perfectly demagnetize a metal body such as hull by amplifying a voltage induced on a pickup coil, applying a current to a demagnetization coil depending on such detected current and then rasing an eddy current magnetic field. CONSTITUTION:When a hull 1 sways, changes in three elemen...
The meaning of EDDY CURRENT is an electric current induced by an alternating magnetic field.
–This workshop introduces the Eddy Current solver based on a simple example with a disk above a coil. This solver calculates the magnetic fields at a specified sinusoidal frequency. Both linear and nonlinear (for saturation effects) magnetic materials can be used. Also, eddy, skin and proximity...
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In this case, the magnetic field created by these currents of electricity is (overall) in the opposite direction of the magnet's magnetic field. The magnetic field created by the eddy current opposes the magnet's field, much the way a pair of repelling magnets repel one another. While ...
Eddy current and deflection analysis of a thin-plate model in a time-changing magnetic field is described. The model is solved as a coupled problem in which the time-changing magnetic field induces eddy currents and the eddy currents cause deflection of the thin plate by the Lorentz force. Th...
PURPOSE:To determine a change in a magnetic field generated by an eddy current by repeating sequence varying the intensity of a gradient magnetic field pulse to display a signal intensity after a detection as display luminance. CONSTITUTION:Sequence is repeated varying a peak value of a gradient ...
As a result, an intense AC magnetic field can be efficiently obtained by a comparatively small driving AC current in comparatively low frequency range.doi:US4933657 AKazuo BesshoMasato EnokizonoUSUS4933657 * 1989年7月31日 1990年6月12日 Kanazawa University Eddy current type multilayered coil for ...
3.4.1 Eddy Current Separators Eddy currents are a manifestation of electromagnetic induction occurring when a magnetic field is applied to a conductor. If the magnetic induction Β in a material changes with time, a voltage is generated in the material, according to the equation -dBdt=VA where...