Plasma-wall interaction in ATC during high power neutral beam injection

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Abstract

Measurements of the elemental composition of samples of the vacuum vessel wall surface and of relative impurity influx rates into ATC during high power beam-heated discharges are combined with a computer simulation of the plasma and previous measurements of power balance and scaling laws to give a model of the main plasma-wall interactions in ATC. It is shown that plasma and beam charge exchange neutrals are the primary causes of impurity influx during neutral beam injection.

Original languageEnglish (US)
Pages (from-to)65-73
Number of pages9
JournalJournal of Nuclear Materials
Volume63
Issue numberC
DOIs
StatePublished - Dec 1976

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Nuclear Energy and Engineering

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