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

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http://hdl.handle.net/10138/312022

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JET Contributors , Mlynar , J , Ahlgren , T , Aho-Mantila , L , Airila , M , Björkas , C , Lahtinen , A , Nordlund , K , Safi , E , Sipila , S K , Asunta , O , Groth , M , Hakola , A , Karhunen , J , Koivuranta , S , Kurki-Suonio , T , Lomanowski , B , Lonnroth , J , Salmi , A , Santala , M I K , Varje , J , Siren , P , Likonen , J , Jarvinen , A & Borodin , D 2019 , ' Improved ERO modelling of beryllium erosion at ITER upper first wall panel using JET-ILW and PISCES-B experience ' , Nuclear Materials and Energy , vol. 19 , pp. 510-515 . https://doi.org/10.1016/j.nme.2019.03.016

Julkaisun nimi: Improved ERO modelling of beryllium erosion at ITER upper first wall panel using JET-ILW and PISCES-B experience
Tekijä: JET Contributors; Mlynar, Jan; Ahlgren, T.; Aho-Mantila, L.; Airila, M.; Björkas, C.; Lahtinen, A.; Nordlund, K.; Safi, E.; Sipila, S. K.; Asunta, O.; Groth, M.; Hakola, A.; Karhunen, J.; Koivuranta, S.; Kurki-Suonio, T.; Lomanowski, B.; Lonnroth, J.; Salmi, A.; Santala, M. I. K.; Varje, J.; Siren, P.; Likonen, J.; Jarvinen, A.; Borodin, D.
Muu tekijä: University of Helsinki, Department of Physics
University of Helsinki, Materials Physics
University of Helsinki, Materials Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Päiväys: 2019-05
Kieli: eng
Sivumäärä: 6
Kuuluu julkaisusarjaan: Nuclear Materials and Energy
ISSN: 2352-1791
URI: http://hdl.handle.net/10138/312022
Tiivistelmä: 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.
Avainsanat: 114 Physical sciences
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