Presented paper is the next step in the research of axial transport in Gas Dynamic Trap. Experiments dedicated to the neutral gas role in the expander of mirror device were carried out. Ion current density distribution measured at the end plate does not depend on neutral gas density in the expander. Experimental indications of neutral gas extrusion from the axis of the expander to its periphery were observed. Numerical model describing such extrusion by elastic collisions of neutrals with plasma ions is in agreement with experimental data.

Original languageEnglish
Article number2402006
Number of pages4
JournalPlasma and Fusion Research
Issue numberSpecialissue1
Publication statusPublished - 1 Jan 2019


  • Axial transport
  • Controlled fusion
  • Magnetic plasma confinement
  • Mirror trap
  • magnetic plasma confinement
  • axial transport
  • controlled fusion
  • mirror trap


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