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Determining thermodynamic parameters of aluminum X-pinch plasma

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Abstract

Experiments on a compact pulsed power generator with an amplitude of 200 kA and a 180-ns front width loaded on an X-pinch consisting of four aluminum wires with a diameter of 35 μm have been carried out. Experimental data and the results of calculations performed in the framework of an impact-radiation model have been used to determine parameters (temperature, density, linear mass) of the X-pinch hot spot at the moment of maximum compression. It is established that (i) a pulse of soft X-ray emission from the X-pinch is generated upon almost complete ejection of substance from the hot spot and (ii) hot-spot formation in the X-pinch proceeds under conditions close to the Bennett equilibrium.

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Authors and Affiliations

  1. Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia

    A. P. Artyomov, A. V. Fedyunin, S. A. Chaikovsky, V. I. Oreshkin, I. V. Lavrinovich & N. A. Ratakhin

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  1. A. P. Artyomov
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  2. A. V. Fedyunin
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  3. S. A. Chaikovsky
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  4. V. I. Oreshkin
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  5. I. V. Lavrinovich
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  6. N. A. Ratakhin
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Correspondence to A. P. Artyomov.

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Original Russian Text © A. P. Artyomov, A. V. Fedyunin, S. A. Chaikovsky, V. I. Oreshkin, I. V. Lavrinovich, N. A. Ratakhin, 2013, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 38, No. 24, pp. 1–9.

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Artyomov, A.P., Fedyunin, A.V., Chaikovsky, S.A. et al. Determining thermodynamic parameters of aluminum X-pinch plasma. Tech. Phys. Lett. 39, 12–15 (2013). https://doi.org/10.1134/S1063785013010057

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  • DOI: https://doi.org/10.1134/S1063785013010057

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