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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Electrical engineering 75 (1992), S. 249-253 
    ISSN: 1432-0487
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Description / Table of Contents: Contents This work presents a semi-analytical method for calculating the eddy currents due to a three-dimensional incident field which is caused by a line current situated in the cavity of a finitely long circular cylindrical conducting and permeable shell. The components of the incident field are expanded into Fourier series in the azimuthal and the axial directions. The Fourier coefficients of the transversal field components are expressed in terms of the Fourier coefficients of the longitudinal field components, because only the longitudinal field components allow using the method of separation of variables for solving the occurring Helmholtz equations.
    Notes: Übersicht In der vorliegenden Abhandlung wird ein semianalytisches Verfahren zur Berechnung der dreidimensionalen Wirbelströmung in einer leitfähigen und permeablen kreiszylindrischen Hülle bei Vorhandensein eines dreidimensionalen Erregerfeldes beschrieben, das durch einen innerhalb des Zylinderhohlraumes fließenden Linienstrom hervorgerufen wird. Die Komponenten des Erregerfeldes werden in azimutaler und axialer Richtung in eine Fourier-Reihe entwickelt. Die Fourier-Koeffizienten der (bezüglich der Zylinderachse) transversalen Feldkomponenten werden in Abhängigkeit von den Fourier-Koeffizienten der longitudinalen Feldkomponenten dargestellt, da nur die longitudinalen Feldkomponenten eine Separation der Variablen in den auftretenden Helmholtz-Gleichungen zulassen.
    Type of Medium: Electronic Resource
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