Two-dimensional analysis of limiter/divertor transition in scrape-off layer plasmas

N. Ueda, K. Itoh, S. I. Itoh

研究成果: ジャーナルへの寄稿記事

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The structures of scrape-off layer and divertor plasmas have been studied numerically with a neutral code and a two-dimensional fluid code. Doublet-III is taken as an example for an open divertor configuration. A decisive parameter is the distance between the plasma surface (determined by the magnetic separatrix) and the limiter, which is varied in order to assess the interaction of the plasma with the limiter as well as the effect of neutrals on the main plasma. The minimum value of the limiter clearance needed to prevent plasma-limiter interaction is determined. The scaling of the edge temperature and the dependence of the e-folding length of the scrape-off layer plasma on the heating power are obtained.

元の言語英語
ページ(範囲)173-184
ページ数12
ジャーナルNuclear Fusion
29
発行部数2
DOI
出版物ステータス出版済み - 2 1989

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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