A computational model of exploding metallic fuses for multimegajoule switching

A new model for determining the time-dependent behavior of exploding metallic fuses is formulated. The model draws on an atomic data base and gives insight into the temporal behavior of the material density and temperature of the fuse as well as the nonlinear electrical circuit interaction. The mode...

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Bibliographic Details
Published in:Journal of applied physics 1985-05, Vol.57 (9), p.4447-4460
Main Authors: LINDEMUTH, I. R, BROWNELL, J. H, GREENE, A. H, NICKEL, G. H, OLIPHANT, T. A, WEISS, D. L
Format: Article
Language:English
Subjects:
Applied sciences
Connection and protection apparatus
Electrical engineering. Electrical power engineering
Exact sciences and technology
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Summary:A new model for determining the time-dependent behavior of exploding metallic fuses is formulated. The model draws on an atomic data base and gives insight into the temporal behavior of the material density and temperature of the fuse as well as the nonlinear electrical circuit interaction. The model includes an embedding insulating tamper and leads to a plausible explanation of fuse ‘‘restrike.’’ The model predicts time-scale compression of 500 for inductive store systems powered by explosive driven magnetic flux compression generators. A scenario for achieving multimegajoule foil implosions is predicted.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.334569