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Study of three-dimensional structure in wire-array z pinches by controlled seeding of axial modulations in wire
B Jones1, C Deeney, J L McKenney
1Sandia National Laboratories, Albuquerque, New Mexico 87185, USA. bmjones@sandia.gov
Abstract:
Three-dimensional perturbations have been seeded in wire-array z pinches by etching 15 microm diameter aluminum wires to introduce 20% modulations in radius with a controlled axial wavelength. These perturbations seed additional three-dimensional imploding structures that are studied experimentally and with magnetohydrodynamics calculations, highlighting the role of current path nonuniformity in perturbation-induced magnetic bubble formation.
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