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@ARTICLE{Malaquias:861116,
      author       = {Malaquias, A. and Silva, A. and Moutinho, R. and Luis, R.
                      and Lopes, A. and Quental, P. B. and Prior, L. and Velez, N.
                      and Policarpo, H. and Vale, A. and Biel, W. and Aubert, J.
                      and Reungoat, M. and Cismondi, F. and Franke, T.},
      title        = {{I}ntegration {C}oncept of the {R}eflectometry {D}iagnostic
                      for the {M}ain {P}lasma in {DEMO}},
      journal      = {IEEE transactions on plasma science},
      volume       = {46},
      number       = {2},
      issn         = {1939-9375},
      address      = {New York, NY},
      publisher    = {IEEE},
      reportid     = {FZJ-2019-01681},
      pages        = {451 - 457},
      year         = {2018},
      abstract     = {This paper presents the initial conceptual study of
                      integration of reflectometry antennas and waveguides (WGs)
                      in DEMO. The antennas are located at several poloidal
                      angular positions covering a full poloidal section of the
                      helium-cooled lithium lead breading blanket. The concept of
                      slim cassette (SC) is presented which allows for possible
                      side attachment to the blanket sector and offers
                      compatibility with remote handling (RH) operations. The
                      proposed concepts for WGs sectors relative motion
                      decoupling, vacuum boundary breaking, and RH are presented.
                      Monte Carlo neutronic simulations have been done in order to
                      evaluate the heat loads and shielding capabilities of the
                      system. The first results indicate that the cooling for the
                      EUROFER diagnostic components (antennas and WGs) can in
                      principle be provided by the blanket cooling services (He is
                      considered) via connection to the main back supporting
                      structure and routed via the main diagnostic structure body.
                      The first results on the SC thermal analysis indicate that
                      for the first wall (FW), an increase of He speed is required
                      (or a higher cooling volume) as temperatures are above
                      blanket FW temperature. As for the inner components
                      (shielding and wave guides), the cooling requires localized
                      optimization (hot spots in module corners and front
                      antennas) but respects average temperature limit
                      requirements},
      cin          = {IEK-4},
      ddc          = {530},
      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:000424781500015},
      doi          = {10.1109/TPS.2017.2784785},
      url          = {https://juser.fz-juelich.de/record/861116},
}