Stability of compression of the inner array plasma in nested arrays
- Authors: Mitrofanov K.N.1, Aleksandrov V.V.1, Grabovski E.V.1, Branitsky A.V.1, Gritsuk A.N.1, Frolov I.N.1, Laukhin Y.N.1
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Affiliations:
- Troitsk Institute for Innovation and Fusion Research
- Issue: Vol 43, No 9 (2017)
- Pages: 916-927
- Section: Plasma Dynamics
- URL: https://journals.rcsi.science/1063-780X/article/view/186217
- DOI: https://doi.org/10.1134/S1063780X17090082
- ID: 186217
Cite item
Abstract
The implosion of nested fiber/wire arrays was studied experimentally at the Angara-5-1 facility. The outer array consisted of kapron fibers, while the inner array was made of tungsten wires. The experiments were carried out at a discharge current of 3 MA. Stable compression of the inner array plasma was achieved by increasing the number of fibers in the outer array. In this case, a compact Z-pinch formed at the array axis. Near the pinch, no trailing plasma produced from the high-Z material of the inner array and capable of scattering and reradiating X-ray photons was observed. The trailing edge of the X-ray pulse was found to shorten in the absence of the trailing plasma around the pinch.
About the authors
K. N. Mitrofanov
Troitsk Institute for Innovation and Fusion Research
Author for correspondence.
Email: mitrofan@triniti.ru
Russian Federation, Troitsk, Moscow, 142190
V. V. Aleksandrov
Troitsk Institute for Innovation and Fusion Research
Email: mitrofan@triniti.ru
Russian Federation, Troitsk, Moscow, 142190
E. V. Grabovski
Troitsk Institute for Innovation and Fusion Research
Email: mitrofan@triniti.ru
Russian Federation, Troitsk, Moscow, 142190
A. V. Branitsky
Troitsk Institute for Innovation and Fusion Research
Email: mitrofan@triniti.ru
Russian Federation, Troitsk, Moscow, 142190
A. N. Gritsuk
Troitsk Institute for Innovation and Fusion Research
Email: mitrofan@triniti.ru
Russian Federation, Troitsk, Moscow, 142190
I. N. Frolov
Troitsk Institute for Innovation and Fusion Research
Email: mitrofan@triniti.ru
Russian Federation, Troitsk, Moscow, 142190
Ya. N. Laukhin
Troitsk Institute for Innovation and Fusion Research
Email: mitrofan@triniti.ru
Russian Federation, Troitsk, Moscow, 142190