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@ARTICLE{Matveev:1017215,
      author       = {Matveev, D. and Douai, D. and Wauters, T. and Widdowson, A.
                      and Jepu, I. and Maslov, M. and Brezinsek, S. and Dittmar,
                      T. and Monakhov, I. and Jacquet, P. and Dumortier, P. and
                      Sheikh, H. and Felton, R. and Lowry, C. and Ciric, D. and
                      Banks, J. and Buckingham, R. and Weisen, H. and Laguardia,
                      L. and Gervasini, G. and de la Cal, E. and Delabie, E. and
                      Ghani, Z. and Gaspar, J. and Romazanov, J. and Groth, M. and
                      Kumpulainen, H. and Karhunen, J. and Knipe, S. and
                      Aleiferis, S. and Loarer, T. and Meigs, A. and Noble, C. and
                      Papadopoulos, G. and Pawelec, E. and Romanelli, S. and
                      Silburn, S. and Joffrin, E. and Tsitrone, E. and Rimini, F.
                      and Maggi, C. F.},
      title        = {{T}ritium removal from {JET}-{ILW} after {T} and {D}–{T}
                      experimental campaigns},
      journal      = {Nuclear fusion},
      volume       = {63},
      number       = {11},
      issn         = {0029-5515},
      address      = {Vienna},
      publisher    = {IAEA},
      reportid     = {FZJ-2023-04026},
      pages        = {112014 -},
      year         = {2023},
      abstract     = {After the second Deuterium–Tritium Campaign (DTE2) in the
                      JET tokamak with the ITER-Like Wall (ILW) and full tritium
                      campaigns that preceded and followed after the DTE2, a
                      sequence of fuel recovery methods was applied to promote
                      tritium removal from wall components. The sequence started
                      with several days of baking of the main chamber walls at 240
                      °C and at 320 °C. Subsequently, baking was superimposed
                      with Ion-Cyclotron Wall Conditioning (ICWC) and Glow
                      Discharge Conditioning (GDC) cleaning cycles in deuterium.
                      Diverted plasma operation in deuterium with different strike
                      point configurations, including a Raised Inner Strike Point
                      (RISP) configuration, and with different plasma
                      heating—Ion Cyclotron Resonance Frequency (ICRF) and
                      Neutral Beam Injection (NBI)—concluded the cleaning
                      sequence. Tritium content in plasma and in the pumped gas
                      was monitored throughout the experiment. The applied fuel
                      recovery methods allowed reducing the residual tritium
                      content in deuterium NBI-heated plasmas to about $0.1\%$ as
                      deduced from neutron rate measurements. This value is well
                      below the requirement of $1\%$ set by the maximum 14 MeV
                      fusion neutron budget allocated in the ensuing deuterium
                      plasma campaign. The quantified tritium removal over the
                      course of the experiment was $\left( {13.4 \pm 0.7} \right)
                      \times {10^{22}}$ atoms or $\left( {0.67 \pm 0.03} \right)$
                      g with ∼58\% attributed to baking, ∼12.5\% to ICWC,
                      ∼26\% to GDC, and ∼3.5\% to first low power RISP
                      plasmas. The experimentally estimated amount of removed
                      tritium is in good agreement with long-term tritium
                      accounting by the JET tritium reprocessing plant, in which
                      the unaccounted amount was reduced by $0.71$ g after the
                      cleaning experiment.},
      cin          = {IEK-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
      pid          = {G:(DE-HGF)POF4-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001083101200001},
      doi          = {10.1088/1741-4326/acf0d4},
      url          = {https://juser.fz-juelich.de/record/1017215},
}