Abstract
In order to operate a plasma focus at high axial sheath velocities,
the geometry
of the inner electrode (anode) of a 3 kJ Mather-type device was modified.
Double-stage stepped-anode configurations were tested with the speed-enhanced
region sufficiently long for a significant increase in speed but not long
enough
to allow the development of force-field flow-field separation at the end
of the
axial phase. Peak axial speeds up to 15 cm μs−1 were
achieved. The neutron and
soft X-ray productions were found to be sheath-velocity-dependent. A new
scaling law for the non-beam component of the neutron yield is proposed.
Publisher
Cambridge University Press (CUP)
Cited by
56 articles.
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