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A potential vector field solution in superconducting magnets, part II: Results of applications

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4 Author(s)
E. Lombardo ; Università di Padova, Padova, Italy ; G. Martinelli ; A. Morini ; G. Pesavento

The results obtained by applying the analytical method of calculation, described in Part I [1], to two large superconducting dc magnets, one composed of two equal cylindrical coils arranged along the same axis and the other composed of two saddle coils arranged so as to make a dipole are presented. Values and distributions of the flux density in the magnets are given and the influence exerted by the presence of an outer radial yoke and of possible ferromagnetic materials arranged perpendicularly to the magnet axis is shown. It is also shown how the proposed method gives values of the flux density components inside the thickness of the coils which may be very different from those obtained by applying other analytical methods in which the coils are represented by one or more current sheets. Finally the results obtained for a magnet are compared with those supplied for the same magnet using a finite-element numerical method.

Published in:

IEEE Transactions on Magnetics  (Volume:19 ,  Issue: 4 )