Journal Article

FZJ-2021-02286

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png A sensitivity analysis of numerical predictions for beryllium erosion and migration in ITER

Romazanov, J. (Corresponding author)FZJ* ; Brezinsek, S.FZJ* ; Pitts, R. A. ; Kirschner, A.FZJ* ; Eksaeva, A.FZJ* ; Borodin, D.FZJ* ; Veshchev, E. ; Neverov, V. S. ; Kukushkin, A. B. ; Alekseev, A. G. ; Linsmeier, C.FZJ*

2021
Elsevier Amsterdam [u.a.]

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Please use a persistent id in citations: http://hdl.handle.net/2128/27818  doi:10.1016/j.nme.2021.100904

Abstract: The present study addresses the uncertainties that affect the recently performed predictions of beryllium (Be) erosion and migration in ITER using the Monte-Carlo code ERO2.0. The focus of the study is a D–T baseline discharge with fusion power gain , scrape-off layer (SOL) input power , toroidal plasma current , and central toroidal field . The parameter studies used to investigate uncertainties include variations of the radial extrapolation of plasma parameters in the far-SOL (scan A), the assumptions on impact angle distributions (scan B) and the anomalous transport of eroded Be (scan C). Variations by factors ,  and  for scans A, B and C, respectively, are found.

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Contributing Institute(s):

1. Plasmaphysik (IEK-4)
2. JARA - HPC (JARA-HPC)

Research Program(s):

1. 134 - Plasma-Wand-Wechselwirkung (POF4-134) (POF4-134)
2. 3D Monte-Carlo simulations of plasma-wall interaction and impurity transport in fusion devices (jiek43_20200501) (jiek43_20200501)

Appears in the scientific report 2021

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