Deuterium trapping and release in JET ITER-like wall divertor tiles

被引：18

作者：

Likonen, J. ^{[1
,98
]}

Heinola, K. ^{[2
,89
]}

De Backer, A. ^{[3
]}

Koivuranta, S. ^{[1
,98
]}

Hakola, A. ^{[1
,98
]}

Ayres, C. F. ^{[3
]}

Baron-Wiechec, A. ^{[3
]}

Coad, P. ^{[3
]}

Matthews, G. F. ^{[3
,7
]}

Mayer, M. ^{[4
,53
]}

Widdowson, A. ^{[3
]}

Abhangi, M. ^{[38
]}

Abreu, P. ^{[44
]}

Aftanas, M. ^{[41
]}

Afzal, M. ^{[7
]}

Aggarwal, K. M. ^{[24
]}

Aho-Mantila, L. ^{[98
]}

Ahonen, E. ^{[5
]}

Aints, M. ^{[94
]}

Airila, M. ^{[98
]}

Albanese, R. ^{[92
]}

Alegre, D. ^{[50
]}

Alessi, E. ^{[37
]}

Aleynikov, P. ^{[46
]}

Alfier, A. ^{[11
]}

Alkseev, A. ^{[59
]}

Allan, P. ^{[7
]}

Almaviva, S. ^{[83
]}

Alonso, A. ^{[50
]}

Alper, B. ^{[7
]}

Alsworth, I. ^{[7
]}

Alves, D. ^{[44
]}

Ambrosino, G. ^{[92
]}

Ambrosino, R. ^{[93
]}

Amosov, V. ^{[76
]}

Andersson, F. ^{[15
]}

Andersson Sunden, E. ^{[19
]}

Angelone, M. ^{[78
]}

Anghel, A. ^{[73
]}

Anghel, M. ^{[72
]}

Angioni, C. ^{[53
]}

Appel, L. ^{[7
]}

Apruzzese, G. ^{[78
]}

Arena, P. ^{[25
]}

Ariola, M. ^{[93
]}

Arnichand, H. ^{[8
]}

Arnoux, G. ^{[7
]}

Arshad, S. ^{[34
]}

Ash, A. ^{[7
]}

Asp, E. ^{[19
]}

机构：

[1] VTT Tech Res Ctr Finland, POB 1000, FI-02044 Espoo, Finland

[2] Univ Helsinki, POB 64, FI-00560 Helsinki, Finland

[3] CCFE, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England

[4] Max Planck Inst Plasma Phys, Garching, Germany

[5] Aalto Univ, FIN-00076 Aalto, Finland

[6] BCS, Barcelona, Spain

[7] Culham Sci Ctr, CCFE, Abingdon OX14 3DB, Oxon, England

[8] IRFM, CEA, F-13108 St Paul Les Durance, France

[9] Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil

[10] Consorzio CREATE, I-80125 Naples, Italy

[11] Consorzio RFX, I-35127 Padua, Italy

[12] Daegu Univ, Gyongsan 712174, Gyeongbuk, South Korea

[13] Univ Carlos III Madrid, Dept Fis, Madrid 28911, Spain

[14] Univ Ghent, Dept Appl Phys, B-9000 Ghent, Belgium

[15] Chalmers Univ Technol, Dept Earth & Space Sci, SE-41296 Gothenburg, Sweden

[16] Univ Cagliari, Dept Elect & Elect Engn, I-09123 Cagliari, Italy

[17] Comenius Univ, Fac Math Phys & Informat, Dept Expt Phys, Bratislava 84248, Slovakia

[18] Univ Strathclyde, Dept Phys & Appl Phys, Glasgow G4 ONG, Lanark, Scotland

[19] Uppsala Univ, Dept Phys & Astron, SE-75120 Uppsala, Sweden

[20] Lund Univ, Dept Phys, SE-22100 Lund, Sweden

[21] KTH, SCI, Dept Phys, SE-10691 Stockholm, Sweden

[22] Univ Oxford, Dept Phys, Oxford OX1 2JD, England

[23] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[24] Queens Univ, Dept Pure & Appl Phys, Belfast BT7 1NN, Antrim, North Ireland

[25] Univ Catania, Dipartimento Ingn Elettr Elettr & Sistemi, I-95125 Catania, Italy

[26] Dublin City Univ, Dublin, Ireland

[27] CRPP, EPFL, CH-1015 Lausanne, Switzerland

[28] CNRS, UMR 7648, Ecole Polytech, F-91128 Palaiseau, France

[29] EUROfus Programme Management Unit, D-85748 Garching, Germany

[30] Culham Sci Ctr, EUROfus Programme Management Unit, Abingdon OX14 3DB, Oxon, England

[31] European Commiss, B-1049 Brussels, Belgium

[32] FOM Inst DIFFER, NL-3430 BE Nieuwegein, Netherlands

[33] Forsch Zentrum Julich GmbH, Inst Energie & Klimaforsch Plasmaphys, D-52425 Julich, Germany

[34] Fus Energy Joint Undertaking, Barcelona 08019, Spain

[35] KTH, EES, Fus Plasma Phys, SE-10044 Stockholm, Sweden

[36] Gen Atom, San Diego, CA 85608 USA

[37] IFP CNR, I-20125 Milan, Italy

[38] Inst Plasma Res, Gandhinagar 382428G, Gujarat, India

[39] Bulgarian Acad Sci, Inst Elect, BU-1784 Sofia, Bulgaria

[40] Inst Plasma Phys & Laser Microfus, PL-01497 Warsaw, Poland

[41] Inst Plasma Phys AS CR, Prague 182 00 8, Czech Republic

[42] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China

[43] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, Brazil

[44] Univ Lisbon, Inst Super Tecn, Inst Plasmas & Fusao Nucl, Lisbon, Portugal

[45] Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[46] ITER Org, F-13067 St Paul Les Durance, France

[47] Naka Fus Res Estab, Japan Atom Energy Agcy, Naka 3110913, Ibaraki, Japan

[48] Karlsruhe Inst Technol, D-76021 Karlsruhe, Germany

[49] Univ Nice Sophia Antipolis, Lab JA Dieudonne, F-06108 Nice 2, France

[50] CIEMAT, Lab Nacl Fus, Madrid, Spain

来源：

PHYSICA SCRIPTA | 2016年 / T167卷

关键词：

retention; deuterium; JET;

D O I：

10.1088/0031-8949/T167/1/014074

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A selected set of samples from JET-ILW divertor tiles exposed in 2011-2012 has been analysed using thermal desorption spectrometry (TDS). The highest amount of deuterium was found on the regions with the thickest deposited layers, i.e. on the horizontal (apron) part and on the top part of Tile 1, which resides deep in the scrape-off layer. Outer divertor Tiles 6, 7 and 8 had nearly an order of magnitude less deuterium. The co-deposited layers on the JET tiles and the W coatings contain C, O and Ni impurities which may change the desorption properties. The D-2 signals in the TDS spectra were convoluted and the positions of the peaks were compared with the Be and C amounts but no correlations between them were found. The remaining fractions of D in the analysed samples at ITER baking temperature 350 degrees C are rather high implying that co-deposited films may be difficult to be de-tritiated.

引用

页数：5

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