Investigation of Plasma Rotation in SMOLA Helical Open Trap

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Abstract

The SMOLA open magnetic trap was created at the Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences (BINP SB RAS) for studying the physics of suppression of plasma longitudinal losses from the system in which rotating plasma is confined in a magnetic field with helicoidal symmetry. The possibility of controlling the plasma rotation velocity is crucial in this concept. Methods of spectroscopic and magnetic diagnostics that allowed obtaining parameters of plasma rotation in the experiments are described. The angular plasma rotation velocity was found to be (0.5–1) × 106 s–1 in different regimes of system operation. The dependences of angular plasma rotation velocity on various parameters of the experiment are discussed.

Original languageEnglish
Pages (from-to)794-802
Number of pages9
JournalPlasma Physics Reports
Volume47
Issue number8
DOIs
Publication statusPublished - Aug 2021

Keywords

  • Doppler spectroscopy
  • helical confinement
  • magnetic confinement
  • magnetic probes
  • open trap
  • plasma rotation

OECD FOS+WOS

  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY

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