Eddy currentsFinite element methodElectromagneticsIn the finite element analysis of electrical machines the multi-conductor winding in a stator slot is usually modeled simply by a single conductor with constant current density. The size of a finite element problem due to the precise modeling of eddy ...
The SSPFEM Analysis of Eddy Currents and the Magnetic Fields in the Turbine Generator End RegionA new numerical method called SSPFEM is used for calculation of the magnetic fields and the eddy currents in the end regions of turbine generators. The time varying boundary value problem of the ...
L. Udpa, W. Lord and S. S. Udpa, "Frequency Domain Methods for the Analysis of Multi-Frequency Eddy Current Data," in Review of Progress in Quantitative Nondestructive Evaluation vol. 8, Edited by D. O. Thompson and D. E. Chimenti, New York, NY: Plenum, 1988....
Iron Disk above a Spiral Coil – A sinusoidal 500 Hz current will be assigned to an eight turn spiral coil underneath of a cast iron disk. The coil induces eddy currents and losses in plate. The 2D model will be setup as shown below using the 2D RZ axisymmetric solver. •2D几何: 螺...
OATEN, S.R.HAJIAN, N. T.Taylor & Francis GroupNondestructive Testing CommunicationsBlitz, J., Oaten, S. R., and Haijan, N. T. 1986. The testing of ferromagnetic metals with eddy-currents. Nondestructive Testing Communications 2: 189-200....
The thermal analysis is carried out with a 1D model (finite difference method): the heat propagation through insulation to the cable and to the helium is studied. The possibility of a quench of the whole magnet is discussed 展开 关键词: Tokamak devices eddy currents finite element analysis ...
Eddy currents are currents induced in conductors to oppose the change in flux that generated them. It is caused when a conductor is exposed to a changing magnetic field due to relative motion of the field source and conductor; or due to variations of the field with time. This can cause a...
P. Khvalebnov, Analysis of the higher harmonic signals of measuring transducers,Defektoskopiya 13:83–88 (1977). Google Scholar H. G. Beech, Case depth measurement by eddy current technique,Heat Treatment of Metals 1:22–26 (1975). Google Scholar M. M. Belenkova, An instrument for ...
Eddy-currents : frequency & geometry 25 Dec 2023 View Inductance : Fundamental theory and practical aspects in analysis 29 Jan 2024 View Torque waves (Part 1 of 3) 26 Feb 2024 View Torque waves (Part 2 of 3) 25 Mar 2024 View Torque waves (Part 3 of 3) ...
, which simplifies the analysis but does not unduly com- promise the accuracy of the predictions, as will be shown later. • The magnets have an electrical conductivity of . • The modifying effect of the induced eddy currents on the ...