Multi-staged ERO2.0 simulation of material erosion and deposition in recessed mirror assemblies in JET and ITER

被引：3
|
作者：
Rode, S. [1 ,2 ]
Brezinsek, S. [1 ,2 ]
Groth, M. [3 ]
Kirschner, A. [1 ]
Matveev, D. [1 ]
Moser, L. [4 ]
Pitts, R. A. [4 ]
Romazanov, J. [1 ,5 ]
Terra, A. [1 ]
Wauters, T. [4 ]
Wiesen, S. [1 ]
机构：
[1] Forschungszentrum Julich GmbH, Inst Energie & Klimforsch Plasmaphys, Partner Trilateral Euregio Cluster TEC, D-52425 Julich, Germany
[2] Heinrich Heine Univ Dusseldorf, Fac Math & Nat Sci, D-40225 Dusseldorf, Germany
[3] Aalto Univ, Espoo, Finland
[4] ITER Org, Route Vinon sur Verdon, St Paul Les Durance, France
[5] Forschungszentrum Julich GmbH, Julich Supercomp Ctr, JARA HPC, D-54245 Julich, Germany
来源：
NUCLEAR FUSION | 2024年 / 64卷 / 08期
关键词：
ERO2.0; code; erosion; first mirror; ITER; JET; diagnostic first wall; DESIGN;
D O I：
10.1088/1741-4326/ad556d
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The deposition/erosion on optical diagnostic components-mirrors-is a critical issue in reactor class devices with long-pulsed high fluence plasma operation. The paper presents results of the three-dimensional Monte-Carlo code ERO2.0 for two diagnostic aperture and first mirror geometries to be deployed in ITER, along with a separate simulation study that aims to replicate results from an experimental first-mirror study carried out on JET. Promisingly, very little plasma and impurity deposition on mirrors for the anticipated plasma durations is found in the ERO2.0 modelling taking into account the current ITER Research Plan and a material mix with beryllium first wall and a tungsten divertor. The post-mortem analysis of mirrors exposed during the experiment and the initial benchmarking efforts on the JET mirror experiment are also broadly consistent, increasing the confidence in predictions for ITER.
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页数：15
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