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Improved ERO modelling of beryllium erosion at ITER upper first wall panel using JET-ILW and PISCES-B experience
Forschungszentrum Julich, Partner Trilateral Euregio Cluster TEC, Inst Energie & Klimaforsch Plasmaphys, D-52425 Julich, Germany.;Forschungszentrum Julich GmbH, Inst Energie & Klimaforsch Plasmaphys, D-52425 Julich, Germany..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics. KTH, Fusion Plasma Phys, EES, SE-10044 Stockholm, Sweden..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics. KTH, Fusion Plasma Phys, EES, SE-10044 Stockholm, Sweden..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics. KTH, Fusion Plasma Phys, EES, SE-10044 Stockholm, Sweden..ORCID iD: 0000-0002-9546-4494
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Number of Authors: 12332019 (English)In: Nuclear Materials and Energy, E-ISSN 2352-1791, Vol. 19, p. 510-515Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 19, p. 510-515
Keywords [en]
Beryllium, Erosion, ITER first wall, JET ITER-like wall, ERO code, Modelling
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-270752DOI: 10.1016/j.nme.2019.03.016ISI: 000470746100080Scopus ID: 2-s2.0-85064311721OAI: oai:DiVA.org:kth-270752DiVA, id: diva2:1414443
Note

QC 20200313

Available from: 2020-03-13 Created: 2020-03-13 Last updated: 2020-05-11Bibliographically approved

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Bergsåker, HenricBykov, IgorFrassinetti, Lorenzo

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