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Studying How Plasma Jets are Generated in a Plasma Focus

  • PLASMA DYNAMICS
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Abstract

Plasma bunches with the characteristic size of approximately 1 mm and electron density larger than 1019 cm–3 are registered by the laser sounding methods on a Mather-type plasma focus (PF). The bunches appear after the collapse of the plasma column and move along the discharge axis from the anode with the initial velocity of 2 × 107 cm/s. The generation of these bunches is mainly caused by the axial displacement of the plasma during development of the Rayleigh–Taylor instability on the pinch. The plasma jets in the second half-period of discharge are also registered. Moreover, the layered plasma structures are revealed at the decrease in the discharge current.

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Funding

The work was carried out under the support of the Russian Science Foundation (project no. 16-12-10351).

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia

    S. N. Polukhin, A. E. Gurei, V. Ya. Nikulin, E. N. Peregudova & P. V. Silin

  2. National Research Nuclear University MEPhI, Moscow, Russia

    V. Ya. Nikulin

Authors
  1. S. N. Polukhin
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  2. A. E. Gurei
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  3. V. Ya. Nikulin
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  4. E. N. Peregudova
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  5. P. V. Silin
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Corresponding authors

Correspondence to S. N. Polukhin or V. Ya. Nikulin.

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Translated by E. Oborin

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Polukhin, S.N., Gurei, A.E., Nikulin, V.Y. et al. Studying How Plasma Jets are Generated in a Plasma Focus. Plasma Phys. Rep. 46, 127–137 (2020). https://doi.org/10.1134/S1063780X20020087

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  • DOI: https://doi.org/10.1134/S1063780X20020087

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