Review on global migration, fuel retention and modelling after TEXTOR decommission

A. Weckmann,Per Petersson, M. Rubel,Petter Ström,T. Kurki-Suonio,K. Särkimäki,A. Kirschner,A. Kreter,S. Brezinsek,J. Romazanov, P. Wienhold,A. Pospieszczyk,A. Hakola,M. Airila

Nuclear Materials and Energy（2018）

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摘要

•We obtained global deposition maps of Mo, W, medium-Z metals (Cr-Cu), fuel.•None of the deposition patterns show toroidal or poloidal symmetry.•A single transport scheme explains deposition patterns for Mo, W, medium-Z metals.•High-Z impurity migration is mainly influenced by E⇀×B⇀ drift and tor. plasma flow.•Simulations can fully explain local deposition, but only partly global deposition.

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关键词

Global migration,Tokamak,high-Z material,Molybdenum,Modelling,ASCOT,ERO,Fuel retention,Deposition

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