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Formation of the compression zone in a plasma flow generated by a magnetoplasma compressor

  • Plasma Dynamics
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Abstract

Processes occurring in a plasma flow generated by a magnetoplasma compressor (MPC) during the formation of the compression zone are discussed. The paper presents results of measurements of the spatial distribution of the electric current in the plasma flow, the temporal and spatial (along the flow) distributions of the plasma density, and the profiles of the velocity of individual flow layers along the system axis. The spatial distribution of the electromagnetic force in the flow is analyzed. It is shown that the plasma flow is decelerated when approaching the compression zone and reaccelerated after passing it. In this case, the plasma flow velocity decreases from ν = (2–3) × 107 cm/s at the MPC output to ν < 106 cm/s in the region of maximum compression and then again increases to 107 cm/s at a distance of 15–17 cm from the MPC output. In some MPC operating modes, a displacement of the magnetic field from the compression zone and the formation of toroidal electric current vortices in the plasma flow after passing the compression zone were detected.

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Authors and Affiliations

  1. Institute of Plasma Physics, National Science Center Kharkiv Institute of Physics and Technology, National Academy of Sciences of Ukraine, Akademicheskaya ul. 1, Kharkiv, 61108, Ukraine

    D. G. Solyakov, Yu. V. Petrov, I. E. Garkusha, V. V. Chebotarev, M. S. Ladygina, T. N. Cherednichenko, Ya. I. Morgal’, N. V. Kulik, V. V. Stal’tsov & D. V. Eliseev

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  1. D. G. Solyakov
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  2. Yu. V. Petrov
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  3. I. E. Garkusha
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  4. V. V. Chebotarev
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  5. M. S. Ladygina
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  6. T. N. Cherednichenko
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  7. Ya. I. Morgal’
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  8. N. V. Kulik
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  9. V. V. Stal’tsov
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  10. D. V. Eliseev
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Correspondence to D. G. Solyakov.

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Original Russian Text © D.G. Solyakov, Yu.V. Petrov, I.E. Garkusha, V.V. Chebotarev, M.S. Ladygina, T.N. Cherednichenko, Ya.I. Morgal’, N.V. Kulik, V.V. Stal’tsov, D.V. Eliseev, 2013, published in Fizika Plazmy, 2013, Vol. 39, No. 12, pp. 1099–1106.

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Solyakov, D.G., Petrov, Y.V., Garkusha, I.E. et al. Formation of the compression zone in a plasma flow generated by a magnetoplasma compressor. Plasma Phys. Rep. 39, 986–992 (2013). https://doi.org/10.1134/S1063780X13110081

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  • DOI: https://doi.org/10.1134/S1063780X13110081

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