Early Stage of the Explosion of Thin Flat Foils in a High-Current Diode at a Current of 40–80 kA
Abstract
The initial stage of the nanosecond explosion of 1–15 μm-thick flat foils in a diode with a current of 40–80 kA is studied. Projection radiography is used to take images of exploded foils at a spatial resolution of 3–4 μm using the soft X-ray radiation (E = 2.5–5 keV) of a hybrid X-pinch and at a time resolution of 0.1 ns. Foil strips 0.3–2 mm wide and 0.5–7 mm long were introduced in the return circuit of the diode in a high-current BIN generator with a current amplitude of 270 kA and a current rise time of 100 ns; the main load of the generator is an X-pinch. The experiments demonstrate that small-scale structures, the shape and the size of which depend on the foil material and the current density and distribution in a foil, are formed in a foil. Possible scenarios of the structure formation are discussed.
- Authors:
-
- Russian Academy of Sciences (RAS), Moscow (Russian Federation). Lebedev Physical Inst.
- Publication Date:
- Research Org.:
- Russian Academy of Sciences (RAS), Moscow (Russian Federation); Cornell Univ., Ithaca, NY (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1543424
- Grant/Contract Number:
- NA0003764
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Experimental and Theoretical Physics
- Additional Journal Information:
- Journal Volume: 128; Journal Issue: 6; Journal ID: ISSN 1063-7761
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Tilikina, I. N., Shelkovenkoa, T. A., Mingaleeva, A. R., Romanovaa, V. M., and Pikuz, S. A. Early Stage of the Explosion of Thin Flat Foils in a High-Current Diode at a Current of 40–80 kA. United States: N. p., 2019.
Web. doi:10.1134/S1063776119050157.
Tilikina, I. N., Shelkovenkoa, T. A., Mingaleeva, A. R., Romanovaa, V. M., & Pikuz, S. A. Early Stage of the Explosion of Thin Flat Foils in a High-Current Diode at a Current of 40–80 kA. United States. https://doi.org/10.1134/S1063776119050157
Tilikina, I. N., Shelkovenkoa, T. A., Mingaleeva, A. R., Romanovaa, V. M., and Pikuz, S. A. Tue .
"Early Stage of the Explosion of Thin Flat Foils in a High-Current Diode at a Current of 40–80 kA". United States. https://doi.org/10.1134/S1063776119050157. https://www.osti.gov/servlets/purl/1543424.
@article{osti_1543424,
title = {Early Stage of the Explosion of Thin Flat Foils in a High-Current Diode at a Current of 40–80 kA},
author = {Tilikina, I. N. and Shelkovenkoa, T. A. and Mingaleeva, A. R. and Romanovaa, V. M. and Pikuz, S. A.},
abstractNote = {The initial stage of the nanosecond explosion of 1–15 μm-thick flat foils in a diode with a current of 40–80 kA is studied. Projection radiography is used to take images of exploded foils at a spatial resolution of 3–4 μm using the soft X-ray radiation (E = 2.5–5 keV) of a hybrid X-pinch and at a time resolution of 0.1 ns. Foil strips 0.3–2 mm wide and 0.5–7 mm long were introduced in the return circuit of the diode in a high-current BIN generator with a current amplitude of 270 kA and a current rise time of 100 ns; the main load of the generator is an X-pinch. The experiments demonstrate that small-scale structures, the shape and the size of which depend on the foil material and the current density and distribution in a foil, are formed in a foil. Possible scenarios of the structure formation are discussed.},
doi = {10.1134/S1063776119050157},
journal = {Journal of Experimental and Theoretical Physics},
number = 6,
volume = 128,
place = {United States},
year = {Tue Jul 23 00:00:00 EDT 2019},
month = {Tue Jul 23 00:00:00 EDT 2019}
}
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Cited by: 5 works
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Figures / Tables:
Fig. 1: Scheme of the load in a BIN generator for studying the explosion of thin foil 2 placed in the return circuit instead of one of rods 3 using SXR of HXP 1.
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Figures / Tables found in this record:
Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.