Development of Instabilities in Thin Aluminum Foils Exploded Using Generator with Current of up to 10 kA

The results of studying instabilities in flat aluminum 4-μm-thick foils exploded using the GVP generator with a short circuit current of 10 kA and a current rise time of 350 ns are presented. The dynamics of foil destruction during the explosion was studied using laser probing. During the experiment...

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Bibliographic Details
Published in:Plasma physics reports 2024-07, Vol.50 (7), p.792-799
Main Authors: Pikuz, S. A., Tilikin, I. N., Romanova, V. M., Mingaleev, A. R., Shelkovenko, T. A.
Format: Article
Language:English
Subjects:
Aluminum
Atomic
Dynamic structural analysis
Metal foils
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
Plasma Instabilities
Short circuit currents
Two dimensional flow
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Summary:The results of studying instabilities in flat aluminum 4-μm-thick foils exploded using the GVP generator with a short circuit current of 10 kA and a current rise time of 350 ns are presented. The dynamics of foil destruction during the explosion was studied using laser probing. During the experiments, it was ascertained that in the presence of the two-dimensional structure of foil, the growth rates of instabilities and their nature depend on the foil orientation relative to the direction of current flow. The conditions are cleared up, under which during the explosion of foils with two-dimensional inherent structures, the development of instabilities is slowed down.
ISSN:1063-780X
1562-6938
DOI:10.1134/S1063780X24600889