Abstract

A theory based on the method of secondary sources is developed for the calculation of the magnetic field and the force characteristics of electromagnetic suspension. This method leads to a system of Fredholm vector integral equations of the second kind in the density of the secondary sources, whose solution gives the surface currents in the superconducting bodies and then by a simple integration, the magnetic field and the force characteristics of the suspension. It is shown how the problem can be reformulated to apply it to the determination of the scalar secondary sources (magnetic charges), leading to integral equations of lower dimension. Examples are given for the calculation of scalar secondary sources for a superconducting half-space and a cylinder.

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