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Polarity effect for exploding wires in a vacuum.

作者信息

Sarkisov G S, Sasorov P V, Struve K W, McDaniel D H, Gribov A N, Oleinik G M

机构信息

Sandia National Laboratories, Albuquerque, New Mexico 87185, USA.

出版信息

Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Oct;66(4 Pt 2):046413. doi: 10.1103/PhysRevE.66.046413. Epub 2002 Oct 21.

DOI:10.1103/PhysRevE.66.046413
PMID:12443336
Abstract

Experimental evidence for a strong influence of the radial electric field on energy deposition into thin metal wires during their electrical explosion in vacuum is presented. Explosion of the metal wire with a positive polarity when the radial electric field "pushes" electrons into the wire results in twice as much deposited energy than with the negative polarity when the radial field "expels" electrons from the wires. Moreover, the axial structure of the deposited energy changes. This effect can be explained by the influence of radial electric field on electronic emission and on vapor breakdown along the wire surface.

摘要

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