Tile profiling analysis of samples from the JET ITER-like wall and carbon wall

被引：25
作者：
Heinola, K. [1 ,2 ]
Ayres, C. F. [1 ]
Baron-Wiechec, A. [1 ]
Coad, J. P. [1 ]
Likonen, J. [3 ]
Matthews, G. F. [1 ]
Widdowson, A. [1 ]
机构：
[1] EURATOM CCFE Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
[2] Univ Helsinki, EURATOM Assoc, TEKES, FI-00560 Helsinki, Finland
[3] VTT, EURATOM Assoc, TEKES, FI-02044 Espoo, Finland
[4] JET EFDA, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
来源：
PHYSICA SCRIPTA | 2014年 / T159卷
基金：
英国工程与自然科学研究理事会;
关键词：
erosion; deposition; ITER-like wall; plasma-wall interaction; EROSION; ILW;
D O I：
10.1088/0031-8949/2014/T159/014013
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A complete global balance for material transport in JET requires knowledge of the net erosion in the main chamber, net deposition in the divertor and the amount of dust in the divertor region. Following the end of the first JET ITER-like wall campaign a set of tiles has been removed from the main chamber and the divertor. This paper describes the initial tile surface profiling results for evaluating the erosion in the main chamber and deposition in the divertor. Tile profiling was performed on upper dump plate tiles and inner wall guard limiters made of beryllium and on inner divertor tiles made of tungsten coated carbon (C)-fibre composites. Additionally, the mass of dust collected from the JET divertor is also reported. Present results are compared with JET-C campaign results with the all-carbon C wall.
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页数：5
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