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@ARTICLE{Panin:837365,
      author       = {Panin, Anatoly and Biel, Wolfgang and Mertens, Philippe and
                      Nunio, Francois and Zani, Louis},
      title        = {{M}echanical pre-dimensioning and pre-optimization of the
                      tokamaks’ toroidal coils featuring the winding pack
                      layout},
      journal      = {Fusion engineering and design},
      volume       = {124},
      issn         = {0920-3796},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-06291},
      pages        = {77-81},
      year         = {2017},
      abstract     = {The structural integrity of superconducting magnets that
                      are key elements of a fusion reactor must be ensured. At an
                      early design stage relatively simple calculation tools can
                      greatly facilitate design optimization. The main objective
                      of this paper is the mechanical pre-dimensioning of the
                      tokamak toroidal field coils by simple means prior to the
                      global 3D numerical modeling. A semi-analytical calculation
                      tool that reasonably estimates the static strength of the
                      toroidal field coil under the electromagnetic forces at the
                      critical location (inner leg equatorial plane) is described.
                      The novelty of the approach is that it treats not only the
                      massive coil casing but also the winding pack conductor
                      jacket under an essentially 3D stress state. The calculation
                      tool features pre-optimization of the coil winding for
                      graded layered winding layouts. The minimum space (radial
                      built) required for the coil inboard portion that is a key
                      design parameter is defined after possible winding
                      pre-optimization. The procedure has been successfully
                      benchmarked against numerical solutions and has been used
                      for pre-dimensioning the toroidal coils in the frame of the
                      current 2015 DEMO activity.},
      cin          = {IEK-4},
      ddc          = {620},
      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:000419411900017},
      doi          = {10.1016/j.fusengdes.2017.04.065},
      url          = {https://juser.fz-juelich.de/record/837365},
}