Journal
IEEE MAGNETICS LETTERS
Volume 5, Issue -, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMAG.2014.2330346
Keywords
Electromagnetics; shielding; hollow cylinder; surface current; Helmholtz coil; gapped solenoid; saddle coil
Funding
- Japan Society for the Promotion of Science
- Tokyo Institute of Technology
- Grants-in-Aid for Scientific Research [26247036, 21104001] Funding Source: KAKEN
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We provide a general solution to the problem of an infinitely long, hollow cylinder of uniform, linear permeability in the presence of any continuous dc current distribution residing on a concentric cylindrical surface. The solution is expressed in terms of the spatial Fourier components of the applied surface current. Applications of this study include the design of dc magnetic shields and shield-coupled coils, as well as a benchmark for finite-element analysis. Examples involving canonical current structures-loops, solenoids, and saddle-shaped coils-are presented.
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