Overview of the JET ITER-like wall divertor

A. Widdowson, E. Alves, A. Baron-Wiechec, N.P. Barradas, N. Catarino, J.P. Coad, V. Corregidor, A. Garcia-Carrasco, K. Heinola, S. Koivuranta, S. Krat, A. Lahtinen, J. Likonen, M. Mayer, P. Petersson, M. Rubel, S. Van Boxel

Research output: Contribution to journalArticleScientificpeer-review

21 Citations (Scopus)

Abstract

The work presented draws on new analysis of components removed following the second JET ITER-like wall campaign 2013-14 concentrating on the upper inner divertor, inner and outer divertor corners, lifetime issues relating to tungsten coatings on JET carbon fibre composite divertor tiles and dust/particulate generation. The results show that the upper inner divertor remains the region of highest deposition in the JET-ILW. Variations in plasma configurations between the first and second campaign have altered material migration to the corners of the inner and outer divertor. Net deposition is shown to be beneficial in the sense that it reduces W coating erosion, covers small areas of exposed carbon surfaces and even encapsulates particles.
Original languageEnglish
Pages (from-to)499-505
Number of pages7
JournalNuclear Materials and Energy
Volume12
Early online date2017
DOIs
Publication statusPublished - 1 Aug 2017
MoE publication typeA1 Journal article-refereed

Fingerprint

Coatings
Tungsten
Tile
Carbon fibers
Dust
Erosion
Carbon
Plasmas
Composite materials
coatings
fiber composites
tiles
concentrating
carbon fibers
particulates
erosion
tungsten
dust
life (durability)
carbon

Keywords

  • deposition
  • dust
  • erosion
  • fuel retention
  • jet
  • tungsten coating

Cite this

Widdowson, A., Alves, E., Baron-Wiechec, A., Barradas, N. P., Catarino, N., Coad, J. P., ... Van Boxel, S. (2017). Overview of the JET ITER-like wall divertor. Nuclear Materials and Energy, 12, 499-505. https://doi.org/10.1016/j.nme.2016.12.008
Widdowson, A. ; Alves, E. ; Baron-Wiechec, A. ; Barradas, N.P. ; Catarino, N. ; Coad, J.P. ; Corregidor, V. ; Garcia-Carrasco, A. ; Heinola, K. ; Koivuranta, S. ; Krat, S. ; Lahtinen, A. ; Likonen, J. ; Mayer, M. ; Petersson, P. ; Rubel, M. ; Van Boxel, S. / Overview of the JET ITER-like wall divertor. In: Nuclear Materials and Energy. 2017 ; Vol. 12. pp. 499-505.
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Widdowson, A, Alves, E, Baron-Wiechec, A, Barradas, NP, Catarino, N, Coad, JP, Corregidor, V, Garcia-Carrasco, A, Heinola, K, Koivuranta, S, Krat, S, Lahtinen, A, Likonen, J, Mayer, M, Petersson, P, Rubel, M & Van Boxel, S 2017, 'Overview of the JET ITER-like wall divertor', Nuclear Materials and Energy, vol. 12, pp. 499-505. https://doi.org/10.1016/j.nme.2016.12.008

Overview of the JET ITER-like wall divertor. / Widdowson, A.; Alves, E.; Baron-Wiechec, A.; Barradas, N.P.; Catarino, N.; Coad, J.P.; Corregidor, V.; Garcia-Carrasco, A.; Heinola, K.; Koivuranta, S.; Krat, S.; Lahtinen, A.; Likonen, J.; Mayer, M.; Petersson, P.; Rubel, M.; Van Boxel, S.

In: Nuclear Materials and Energy, Vol. 12, 01.08.2017, p. 499-505.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Overview of the JET ITER-like wall divertor

AU - Widdowson, A.

AU - Alves, E.

AU - Baron-Wiechec, A.

AU - Barradas, N.P.

AU - Catarino, N.

AU - Coad, J.P.

AU - Corregidor, V.

AU - Garcia-Carrasco, A.

AU - Heinola, K.

AU - Koivuranta, S.

AU - Krat, S.

AU - Lahtinen, A.

AU - Likonen, J.

AU - Mayer, M.

AU - Petersson, P.

AU - Rubel, M.

AU - Van Boxel, S.

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AB - The work presented draws on new analysis of components removed following the second JET ITER-like wall campaign 2013-14 concentrating on the upper inner divertor, inner and outer divertor corners, lifetime issues relating to tungsten coatings on JET carbon fibre composite divertor tiles and dust/particulate generation. The results show that the upper inner divertor remains the region of highest deposition in the JET-ILW. Variations in plasma configurations between the first and second campaign have altered material migration to the corners of the inner and outer divertor. Net deposition is shown to be beneficial in the sense that it reduces W coating erosion, covers small areas of exposed carbon surfaces and even encapsulates particles.

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KW - erosion

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JF - Nuclear Materials and Energy

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Widdowson A, Alves E, Baron-Wiechec A, Barradas NP, Catarino N, Coad JP et al. Overview of the JET ITER-like wall divertor. Nuclear Materials and Energy. 2017 Aug 1;12:499-505. https://doi.org/10.1016/j.nme.2016.12.008