Improved ERO modelling of beryllium erosion at ITER upper first wall panel using JET-ILW and PISCES-B experience

JET Contributors

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20 Scopus citations

Abstract

ERO is a 3D Monte-Carlo impurity transport and plasma-surface interaction code. In 2011 it was applied for the ITER first wall (FW) life time predictions [1] (critical blanket module BM11). After that the same code was significantly improved during its application to existing fusion-relevant plasma devices: the tokamak JET equipped with an ITER-like wall and linear plasma device PISCES-B. This has allowed testing the sputtering data for beryllium (Be) and showing that the “ERO-min” fit based on the large (50%) deuterium (D) surface content is well suitable for plasma-wetted areas (D plasma). The improved procedure for calculating of the effective sputtering yields for each location along the plasma-facing surface using the recently developed semi-analytical sheath approach was validated. The re-evaluation of the effective yields for BM11 following the similar revisit of the JET data has indicated significant increase of erosion and motivated the current re-visit of ERO simulations.

Original languageEnglish
Pages (from-to)510-515
Number of pages6
JournalNuclear Materials and Energy
Volume19
DOIs
StatePublished - May 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2019

Funding

This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom Research and Training Programme 2014–2018 under grant agreement No 633053 . The views and opinions expressed herein do not necessarily reflect those of the European Commission or of the ITER organization. The authors thank R. Doerner and D. Nishijima for the discussions and valuable insight from the PISCES-B side. The computer simulation time is provided by the Jülich Supercomputing Centre. We acknowledge grants of computer capacity from the IT Centre for Science in Finland, CSC and the Finnish Grid and Cloud Infrastructure (persistent identifier urn:nbn:fi:research-infras-2016072533).

FundersFunder number
IT Centre for Science in Finland
Horizon 2020 Framework Programme
H2020 Euratom633053
China Scholarship Councilresearch-infras-2016072533

    Keywords

    • Beryllium
    • ERO code
    • Erosion
    • ITER first wall
    • JET ITER-like wall
    • Modelling

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