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ELMS and strike point jumps

Solano, E. R. (author)
Jachmich, S. (author)
Villone, F. (author)
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Hawkes, N. (author)
Corre, Y. (author)
Pitts, R. A. (author)
Loarte, A. (author)
Alper, B. (author)
Guenther, K. (author)
Koroktov, A. (author)
Stamp, M. (author)
Andrew, P. (author)
Arshad, S. A. (author)
Conboy, J. (author)
Bolzonella, T. (author)
Rachlew, Elisabeth (author)
KTH,Atom- och molekylfysik
Kempenaars, M. (author)
Cenedese, A. (author)
Testa, D. (author)
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 (creator_code:org_t)
Elsevier BV, 2005
2005
English.
In: Journal of Nuclear Materials. - : Elsevier BV. - 0022-3115 .- 1873-4820. ; 337-39:03-jan, s. 747-750
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • If an ELM is a peeling of flux surfaces from the plasma, due to a broken separatrix, current density is lost as well as particles and energy. The fast loss of a current-carrying plasma layer modifies the plasma equilibrium, leading to sudden shifts in the strike points at each ELM, towards the plasma centre. An experimental study of this conjectured model of the ELM has been made at JET, showing that in all cases of Type I ELMs studied, strike point shifts were observed. In two cases studied in detail, the estimated equilibrium changes provoked by flux surface peeling agree qualitatively with the observed strike point shifts.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Materialteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering (hsv//eng)

Keyword

ELM
edge currents
edge plasma
edge pedestal
JET

Publication and Content Type

ref (subject category)
art (subject category)

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