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

K. Heinola; C. F. Ayres; A. Baron-Wiechec; J. P. Coad; J. Likonen; G. F. Matthews; A. Widdowson

doi:10.1088/0031-8949/2014/T159/014013

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

K. Heinola, C. F. Ayres, A. Baron-Wiechec, J. P. Coad, J. Likonen, G. F. Matthews, A. Widdowson

Research output: Contribution to journal › Conference article › peer-review

26 Scopus citations

Abstract

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.

Original language	English
Article number	014013
Journal	Physica Scripta
Volume	T159
DOIs	https://doi.org/10.1088/0031-8949/2014/T159/014013
State	Published - 2014
Externally published	Yes
Event	14th International Conference on Plasma-Facing Materials and Components for Fusion Applications, PFMC 2013 - Julich, Germany Duration: 13 May 2013 → 17 May 2013

Keywords

TER-like wall
eposition
erosion
lasma-wall interaction

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10.1088/0031-8949/2014/T159/014013

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title = "Tile profiling analysis of samples from the JET ITER-like wall and carbon wall",

abstract = "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.",

keywords = "TER-like wall, eposition, erosion, lasma-wall interaction",

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T1 - Tile profiling analysis of samples from the JET ITER-like wall and carbon wall

AU - Heinola, K.

AU - Ayres, C. F.

AU - Baron-Wiechec, A.

AU - Coad, J. P.

AU - Likonen, J.

AU - Matthews, G. F.

AU - Widdowson, A.

PY - 2014

Y1 - 2014

N2 - 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.

AB - 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.

KW - TER-like wall

KW - eposition

KW - erosion

KW - lasma-wall interaction

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SN - 0281-1847

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JO - Physica Scripta

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T2 - 14th International Conference on Plasma-Facing Materials and Components for Fusion Applications, PFMC 2013

Y2 - 13 May 2013 through 17 May 2013

ER -

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

Abstract

Keywords

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