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Plasma boundary identification in HL-2A by means of the movable current filaments method
Author(s) -
You Tian-Xue,
Yuan Baoshan,
Fangzhu Li
Publication year - 2007
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.56.5323
Subject(s) - current (fluid) , protein filament , plasma , boundary (topology) , process (computing) , mechanics , moment (physics) , boundary element method , finite element method , physics , materials science , computer science , mathematics , classical mechanics , mathematical analysis , thermodynamics , composite material , nuclear physics , operating system
Based on the Shafranov current moment theory, reconstruction of the plasma boundary in HL-2A is studied by using the movable current filament (VCF) method. Compared with the fixed current filament (FCF) method and the finite current element (FCE) method that we've used before, this method has the advantage of accurately rebuilding the fast evolving plasma boundary by using only 1—3 filaments, which offsets the drawbacks of the FCF and the FCE methods. Combining the movable current filament method with the FCF or the FCE method, the plasma boundary can be displayed in real time and the plasma shape can be controlled during the whole discharge process.

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