Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

Y. Hatano; S. E. Lee; Jari Likonen; Seppo Koivuranta; M. Hara; S. Masuzaki; N. Asakura; K. Isobe; T. Hayashi; J. Ikonen; A.M. Widdowson; X. Litaudon; S. Abduallev; M. Abhangi; P. Abreu; M. Afzal; K.M. Aggarwal; T. Ahlgren; J.H. Ahn; L. Aho-Mantila; N. Aiba; M. Airila; R. Albanese; V. Aldred; D. Alegre; JET contributors

doi:10.1016/j.nme.2019.01.001

Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

Y. Hatano^*
, S. E. Lee
, Jari Likonen
, Seppo Koivuranta
, M. Hara
, S. Masuzaki
, N. Asakura
, K. Isobe
, T. Hayashi
, J. Ikonen
, A.M. Widdowson
, X. Litaudon
, S. Abduallev
, M. Abhangi
, P. Abreu
, M. Afzal
, K.M. Aggarwal
, T. Ahlgren
, J.H. Ahn
, L. Aho-Mantila

N. Aiba, M. Airila, R. Albanese, V. Aldred, D. Alegre, JET contributors

^*Corresponding author for this work

University of Toyama
National Institutes of Natural Sciences - National Institute for Fusion Science
National Institutes for Quantum and Radiological Science and Technology (QST)
University of Helsinki
Culham Science Centre
Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA)
University of Naples Federico II
Laboratorio Nacional de Fusión (LNF)
National University of Distance Education

Research output: Contribution to journal › Article › Scientific › peer-review

10 Citations (Scopus)

Abstract

Tritium (T) distributions on tungsten (W)-coated plasma-facing tiles used in the third ITER-like wall campaign (2015–2016) of the Joint European Torus (JET) were examined by means of an imaging plate technique and β-ray induced x-ray spectrometry, and they were compared with the distributions after the second (2013–2014) campaign. Strong enrichment of T in beryllium (Be) deposition layers was observed after the second campaign. In contrast, T distributions after the third campaign was more uniform though Be deposition layers were visually recognized. The one of the possible explanations is enhanced desorption of T from Be deposition layers due to higher tile temperatures caused by higher energy input in the third campaign.

Original language	English
Pages (from-to)	258-261
Journal	Nuclear Materials and Energy
Volume	18
DOIs	https://doi.org/10.1016/j.nme.2019.01.001
Publication status	Published - 1 Jan 2019
MoE publication type	A1 Journal article-refereed

Funding

This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014–2018 under (Grant no. 633053). The study was supported by JSPS KAKENHI (Grant no. JP26289353 ), the ITER Broader Approach Activities, and the National Institute for Fusion Research (NIFS) as a part of PWI Collaboration.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

tritium retention
radiation
deposition

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10.1016/j.nme.2019.01.001Licence: CC BY

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Hatano, Y., Lee, S. E., Likonen, J., Koivuranta, S., Hara, M., Masuzaki, S., Asakura, N., Isobe, K., Hayashi, T., Ikonen, J., Widdowson, A. M., Litaudon, X., Abduallev, S., Abhangi, M., Abreu, P., Afzal, M., Aggarwal, K. M., Ahlgren, T., Ahn, J. H., ... contributors, JET. (2019). Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign. Nuclear Materials and Energy, 18, 258-261. https://doi.org/10.1016/j.nme.2019.01.001

@article{02ce38f658234c458382f96626cf84b7,

title = "Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign",

abstract = "Tritium (T) distributions on tungsten (W)-coated plasma-facing tiles used in the third ITER-like wall campaign (2015–2016) of the Joint European Torus (JET) were examined by means of an imaging plate technique and β-ray induced x-ray spectrometry, and they were compared with the distributions after the second (2013–2014) campaign. Strong enrichment of T in beryllium (Be) deposition layers was observed after the second campaign. In contrast, T distributions after the third campaign was more uniform though Be deposition layers were visually recognized. The one of the possible explanations is enhanced desorption of T from Be deposition layers due to higher tile temperatures caused by higher energy input in the third campaign.",

keywords = "tritium retention, radiation, deposition",

author = "Y. Hatano and Lee, \{S. E.\} and Jari Likonen and Seppo Koivuranta and M. Hara and S. Masuzaki and N. Asakura and K. Isobe and T. Hayashi and J. Ikonen and A.M. Widdowson and X. Litaudon and S. Abduallev and M. Abhangi and P. Abreu and M. Afzal and K.M. Aggarwal and T. Ahlgren and J.H. Ahn and L. Aho-Mantila and N. Aiba and M. Airila and R. Albanese and V. Aldred and D. Alegre and JET contributors",

note = "Funding Information: This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014–2018 under (Grant no. 633053). The views and opinions expressed herein do not necessarily reflect those of the European Commission. The study was supported by JSPS KAKENHI (Grant no. JP26289353), the ITER Broader Approach Activities, and the National Institute for Fusion Research (NIFS) as a part of PWI Collaboration. Publisher Copyright: {\textcopyright} 2019 The Authors Copyright: Copyright 2019 Elsevier B.V., All rights reserved.",

year = "2019",

month = jan,

day = "1",

doi = "10.1016/j.nme.2019.01.001",

language = "English",

volume = "18",

pages = "258--261",

journal = "Nuclear Materials and Energy",

issn = "2352-1791",

publisher = "Elsevier",

}

Hatano, Y, Lee, SE, Likonen, J, Koivuranta, S, Hara, M, Masuzaki, S, Asakura, N, Isobe, K, Hayashi, T, Ikonen, J, Widdowson, AM, Litaudon, X, Abduallev, S, Abhangi, M, Abreu, P, Afzal, M, Aggarwal, KM, Ahlgren, T, Ahn, JH, Aho-Mantila, L, Aiba, N, Airila, M, Albanese, R, Aldred, V, Alegre, D & contributors, JET 2019, 'Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign', Nuclear Materials and Energy, vol. 18, pp. 258-261. https://doi.org/10.1016/j.nme.2019.01.001

TY - JOUR

T1 - Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

AU - Hatano, Y.

AU - Lee, S. E.

AU - Likonen, Jari

AU - Koivuranta, Seppo

AU - Hara, M.

AU - Masuzaki, S.

AU - Asakura, N.

AU - Isobe, K.

AU - Hayashi, T.

AU - Ikonen, J.

AU - Widdowson, A.M.

AU - Litaudon, X.

AU - Abduallev, S.

AU - Abhangi, M.

AU - Abreu, P.

AU - Afzal, M.

AU - Aggarwal, K.M.

AU - Ahlgren, T.

AU - Ahn, J.H.

AU - Aho-Mantila, L.

AU - Aiba, N.

AU - Airila, M.

AU - Albanese, R.

AU - Aldred, V.

AU - Alegre, D.

AU - contributors, JET

N1 - Funding Information: This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014–2018 under (Grant no. 633053). The views and opinions expressed herein do not necessarily reflect those of the European Commission. The study was supported by JSPS KAKENHI (Grant no. JP26289353), the ITER Broader Approach Activities, and the National Institute for Fusion Research (NIFS) as a part of PWI Collaboration. Publisher Copyright: © 2019 The Authors Copyright: Copyright 2019 Elsevier B.V., All rights reserved.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Tritium (T) distributions on tungsten (W)-coated plasma-facing tiles used in the third ITER-like wall campaign (2015–2016) of the Joint European Torus (JET) were examined by means of an imaging plate technique and β-ray induced x-ray spectrometry, and they were compared with the distributions after the second (2013–2014) campaign. Strong enrichment of T in beryllium (Be) deposition layers was observed after the second campaign. In contrast, T distributions after the third campaign was more uniform though Be deposition layers were visually recognized. The one of the possible explanations is enhanced desorption of T from Be deposition layers due to higher tile temperatures caused by higher energy input in the third campaign.

AB - Tritium (T) distributions on tungsten (W)-coated plasma-facing tiles used in the third ITER-like wall campaign (2015–2016) of the Joint European Torus (JET) were examined by means of an imaging plate technique and β-ray induced x-ray spectrometry, and they were compared with the distributions after the second (2013–2014) campaign. Strong enrichment of T in beryllium (Be) deposition layers was observed after the second campaign. In contrast, T distributions after the third campaign was more uniform though Be deposition layers were visually recognized. The one of the possible explanations is enhanced desorption of T from Be deposition layers due to higher tile temperatures caused by higher energy input in the third campaign.

KW - tritium retention

KW - radiation

KW - deposition

UR - https://www.scopus.com/pages/publications/85059963127

U2 - 10.1016/j.nme.2019.01.001

DO - 10.1016/j.nme.2019.01.001

M3 - Article

SN - 2352-1791

VL - 18

SP - 258

EP - 261

JO - Nuclear Materials and Energy

JF - Nuclear Materials and Energy

ER -

Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

Abstract

Funding

UN SDGs

Keywords

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