Design Considerations for 100 MJ Class Flux Compression Pulse Power Systems
LOS ALAMOS NATIONAL LAB NM
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With the cost of high performance, capacitor-discharge pulse power systems continuing around 1-2 per joule and with energy requirements for experiments such as fast compression of magnetized plasmas ranging to 100 MJ and beyond, the need for economical, super-energy pulse power systems is being recognized. Explosively powered flux compressors, capable of delivering 100 MJ to a plasma physics experiment, can be designed, fabricated, and fielded at costs of less than 0.01 J per shot. While less economical than laboratory pulsed power systems, if system life exceeds a few hundred full-energy shots, explosive pulse power techniques allow initial experiments to be performed quickly and economically at energies that are prohibitively costly, and hence unavailable, using conventional techniques. A variety of configurations for flux compressors suitable for 100-MJ operation can be considered. Among these, the disk configuration, pioneered by researchers at the All Russian Institute of Experimental Physics VNIIEF, Arzamas-16, Russia has demonstrated both high current and high energy capabilities.
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