Abstract
Experiments are described on magnetic flux compression by flat and coaxial conductors. As the initial current I0 is increased the final current I1 obtained as a result of flux compression at first increases proportionally to I0 and then reaches a maximum and remains constant for further increases in I0. Analysis of the experiments shows that in coaxial structures when a small explosive charge accelerates the conductors the limiting current is determined by the maximum work which a conductor can perform in compressing the magnetic field. In experiments with flat busbars and large explosive charges the limiting currents appear to be determined by the flux losses in short-circuited voids formed in the linking of irregular surfaces of the busbars. This assumption is shown to be in qualitative agreement with experiment.
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