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On dust dynamics in tokamak edge plasmas

Phys. Plasmas 11, 3141 (2004); doi:10.1063/1.1724834

Published 10 May 2004

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S. I. Krasheninnikov
University of California at San Diego, La Jolla, California 92093

Y. Tomita
National Institute for Fusion Science, Toki, Gifu 509-5292, Japan

R. D. Smirnov
The Graduate University for Advanced Studies, Toki, Gifu 509-5292, Japan

R. K. Janev
National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
Macedonian Academy of Sciences and Arts, 1000 Skopje, Macedonia
It is shown that in a tokamak edge plasma dust particles can move with high speed and traverse distances comparable to tokamak radii. As a result, the dust deposition areas on the wall structures can be far away from the origin of the dust. Presented estimates indicate that it is very likely that transport of dust particles can be an important mechanism of core plasma contamination by impurities. ©2004 American Institute of Physics.
History: Received 19 December 2003; accepted 4 March 2004; published 10 May 2004
Permalink: http://link.aip.org/link/?PHPAEN/11/3141/1
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KEYWORDS and PACS

Keywords
PACS
  • 52.27.Lw
    Dusty or complex plasmas; plasma crystals
  • 52.40.Hf
    Plasma–material interactions; boundary layer effects
  • 52.25.Vy
    Impurities in plasmas
  • 52.55.Fa
    Tokamaks
  • 52.27.Jt
    Nonneutral plasmas
  • YEAR: 2004

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ISSN:
1070-664X (print)   1089-7674 (online)
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