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@ARTICLE{Bernert:837460,
      author       = {Bernert, M. and Wischmeier, M. and Huber, A. and Reimold,
                      F. and Lipschultz, B. and Lowry, C. and Brezinsek, S. and
                      Dux, R. and Eich, T. and Kallenbach, A. and Lebschy, A. and
                      Maggi, C. and McDermott, R. and Pütterich, T. and Wiesen,
                      S.},
      title        = {{P}ower exhaust by {SOL} and pedestal radiation at {ASDEX}
                      {U}pgrade and {JET}},
      journal      = {Nuclear materials and energy},
      volume       = {12},
      issn         = {2352-1791},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-06373},
      pages        = {111-118},
      year         = {2017},
      abstract     = {Future fusion reactors require a safe, steady state
                      divertor operation. A possible solution for the power
                      exhaust challenge is the detached divertor operation in
                      scenarios with high radiated power fractions. The radiation
                      can be increased by seeding impurities, such as N for
                      dominant scrape-off-layer radiation, Ne or Ar for SOL and
                      pedestal radiation and Kr for dominant core radiation.Recent
                      experiments on two of the all-metal tokamaks, ASDEX Upgrade
                      (AUG) and JET, demonstrate operation with high radiated
                      power fractions and a fully-detached divertor by N, Ne or Kr
                      seeding with a conventional divertor in a vertical target
                      geometry. For both devices similar observations can be made.
                      In the scenarios with the highest radiated power fraction,
                      the dominant radiation originates from the confined region,
                      in the case of N and Ne seeding concentrated in a region
                      close to the X-point.Applying these seed impurities for
                      highly radiative scenarios impacts local plasma parameters
                      and alters the impurity transport in the pedestal region.
                      Thus, plasma confinement and stability can be affected. A
                      proper understanding of the effects by these impurities is
                      required in order to predict the applicability of such
                      scenarios for future devices.},
      cin          = {IEK-4},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000417293300014},
      doi          = {10.1016/j.nme.2016.12.029},
      url          = {https://juser.fz-juelich.de/record/837460},
}