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- Title
Impact of the improved parallel kinetic coefficients on the helium and neon transport in SOLPS‐ITER for ITER.
- Authors
Makarov, S.O.; Coster, D.P.; Rozhansky, V.A.; Voskoboynikov, S.P.; Kaveeva, E.G.; Senichenkov, I.Y.; Stepanenko, A.A.; Zhdanov, V.M.; Bonnin, X.
- Abstract
New Grad–Zhdanov module is implemented in the SOLPS‐ITER code and applied to ITER impurity transport simulations. Significant difference appears in the helium transport due to improved parallel kinetic coefficients. As a result, 30% decrease of the separatrix‐averaged helium relative concentration is observed for the constant helium source and pumping speed. However, for the neon changes are less pronounce. Change of the impurity behaviour is discussed. For the first time the ion distribution functions are studied in the ITER scrape‐off layer conditions to reveal the origin of the kinetic coefficient improvements and theory limitations.
- Subjects
MARIUPOL' (Ukraine); HELIUM; DISTRIBUTION (Probability theory); NEON
- Publication
Contributions to Plasma Physics, 2022, Vol 62, Issue 6, p1
- ISSN
0863-1042
- Publication type
Article
- DOI
10.1002/ctpp.202100165