Deposition of 13C tracer in the JET MkII-HD divertor

J. Likonen; A. Hakola; J. Strachan; J. P. Coad; A. Widdowson; S. Koivuranta; D. E. Hole; K. Mizohata; M. Rubel; S. Jachmich; M. Stamp

doi:10.1016/j.jnucmat.2010.10.076

Deposition of ¹³C tracer in the JET MkII-HD divertor

J. Likonen
, A. Hakola
, J. Strachan
, J. P. Coad
, A. Widdowson
, S. Koivuranta
, D. E. Hole
, K. Mizohata
, M. Rubel
, S. Jachmich
, M. Stamp

Laboratory for Plasma Physics

Helsinki University of Technology
Princeton Plasma Physics Laboratory
Culham Centre for Fusion Energy
Sussex University
University of Helsinki
KTH Royal Institute of Technology
Royal Military Academy

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

2 Zitate (Scopus)

Abstract

Migration of ¹³C has been investigated at JET by puffing ¹³CH₄ into the outer midplane at the end of the 2007 campaign. The ¹³C deposition profile was measured with secondary ion mass spectrometry (SIMS) and Rutherford backscattering (RBS) techniques. ¹³C was mainly found on Tile 1 and near the outer strike point (OSP) on Tile 7. The ¹³C transport was modelled with the EDGE2D/NIMBUS code. Previous work indicates that migration pathways are: (1) through the main chamber scrape-off layer (SOL), (2) migration through the private flux region (PFR) aided by E × B drifts and (3) neutral migration originating near the strike points. The main contribution of this paper is to further describe the neutral migration.

Originalsprache	Englisch
Seiten (von - bis)	S250-S253
Fachzeitschrift	Journal of Nuclear Materials
Jahrgang	415
Ausgabenummer	1 SUPPL
DOIs	https://doi.org/10.1016/j.jnucmat.2010.10.076
Publikationsstatus	Veröffentlicht - 1 Aug. 2011

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10.1016/j.jnucmat.2010.10.076

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title = "Deposition of 13C tracer in the JET MkII-HD divertor",

abstract = "Migration of 13C has been investigated at JET by puffing 13CH4 into the outer midplane at the end of the 2007 campaign. The 13C deposition profile was measured with secondary ion mass spectrometry (SIMS) and Rutherford backscattering (RBS) techniques. 13C was mainly found on Tile 1 and near the outer strike point (OSP) on Tile 7. The 13C transport was modelled with the EDGE2D/NIMBUS code. Previous work indicates that migration pathways are: (1) through the main chamber scrape-off layer (SOL), (2) migration through the private flux region (PFR) aided by E × B drifts and (3) neutral migration originating near the strike points. The main contribution of this paper is to further describe the neutral migration.",

author = "J. Likonen and A. Hakola and J. Strachan and Coad, \{J. P.\} and A. Widdowson and S. Koivuranta and Hole, \{D. E.\} and K. Mizohata and M. Rubel and S. Jachmich and M. Stamp",

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doi = "10.1016/j.jnucmat.2010.10.076",

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T1 - Deposition of 13C tracer in the JET MkII-HD divertor

AU - Likonen, J.

AU - Hakola, A.

AU - Strachan, J.

AU - Coad, J. P.

AU - Widdowson, A.

AU - Koivuranta, S.

AU - Hole, D. E.

AU - Mizohata, K.

AU - Rubel, M.

AU - Jachmich, S.

AU - Stamp, M.

PY - 2011/8/1

Y1 - 2011/8/1

N2 - Migration of 13C has been investigated at JET by puffing 13CH4 into the outer midplane at the end of the 2007 campaign. The 13C deposition profile was measured with secondary ion mass spectrometry (SIMS) and Rutherford backscattering (RBS) techniques. 13C was mainly found on Tile 1 and near the outer strike point (OSP) on Tile 7. The 13C transport was modelled with the EDGE2D/NIMBUS code. Previous work indicates that migration pathways are: (1) through the main chamber scrape-off layer (SOL), (2) migration through the private flux region (PFR) aided by E × B drifts and (3) neutral migration originating near the strike points. The main contribution of this paper is to further describe the neutral migration.

AB - Migration of 13C has been investigated at JET by puffing 13CH4 into the outer midplane at the end of the 2007 campaign. The 13C deposition profile was measured with secondary ion mass spectrometry (SIMS) and Rutherford backscattering (RBS) techniques. 13C was mainly found on Tile 1 and near the outer strike point (OSP) on Tile 7. The 13C transport was modelled with the EDGE2D/NIMBUS code. Previous work indicates that migration pathways are: (1) through the main chamber scrape-off layer (SOL), (2) migration through the private flux region (PFR) aided by E × B drifts and (3) neutral migration originating near the strike points. The main contribution of this paper is to further describe the neutral migration.

UR - https://www.scopus.com/pages/publications/80054845162

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DO - 10.1016/j.jnucmat.2010.10.076

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VL - 415

SP - S250-S253

JO - Journal of Nuclear Materials

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IS - 1 SUPPL