Measuring the compression velocity of a Z pinch in an axial magnetic field

A. G. Rousskikh, A. S. Zhigalin, V. I. Oreshkin, R. B. Baksht

Research output: Contribution to journalArticle

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Abstract

This paper presents the results of measuring the velocity of the plasma boundary during the compression of a metallic gas-puff Z pinch in an axial magnetic field. The experiment was conducted on the IMRI-5 facility (current pulse of 450-kA amplitude with a 450-ns rise time); the initial magnetic field Bz 0 was varied in the range of 0.15-0.6 T. To measure the compression velocity, B-dot probes were used successfully. The data obtained with the B-dot probes agree with the results obtained by other methods [visible imaging and determination of the pinch radius as a function of the time-varying pinch inductance L(t)]. It is shown that the plasma compression velocity is (1-1.5) × 107 cm/s at Bz 0 = 0 and 0.6 × 107 cm/s at Bz 0 = 0.6 T.

Original languageEnglish
Article number063519
JournalPhysics of Plasmas
Volume24
Issue number6
DOIs
Publication statusPublished - 1 Jun 2017

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plasma compression
magnetic fields
probes
inductance
radii
pulses
gases

ASJC Scopus subject areas

  • Condensed Matter Physics

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Measuring the compression velocity of a Z pinch in an axial magnetic field. / Rousskikh, A. G.; Zhigalin, A. S.; Oreshkin, V. I.; Baksht, R. B.

In: Physics of Plasmas, Vol. 24, No. 6, 063519, 01.06.2017.

Research output: Contribution to journalArticle

Rousskikh, A. G. ; Zhigalin, A. S. ; Oreshkin, V. I. ; Baksht, R. B. / Measuring the compression velocity of a Z pinch in an axial magnetic field. In: Physics of Plasmas. 2017 ; Vol. 24, No. 6.
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