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@ARTICLE{Friese:837452,
      author       = {Friese, Sebastian and Panin, Anatoly and Krasikov, Yury and
                      Mertens, Philippe and Aßmann, Jochen},
      title        = {{E}xperimental and numerical studies of the shutter
                      dynamics for the {ITER} core {CXRS} diagnostic},
      journal      = {Fusion engineering and design},
      volume       = {123},
      issn         = {0920-3796},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-06365},
      pages        = {722-726},
      year         = {2017},
      abstract     = {The mechanical concept of the cCXRS frictionless shutter is
                      based on elastic lateral bending of its arms caused by
                      pneumatic actuation and is limited by special bumpers. The
                      shutter blocks or opens the path of light emitted by the
                      plasma, which is under analysis, to cover the diagnostic’s
                      first mirror. A thorough understanding of the shutter’s
                      dynamic behaviour is indispensable to adjust the mechanical
                      structure for the final design. Particular attention is paid
                      to the arm rebounds that are dependent on the arms impact
                      kinetic energy and the arms’ preloading on the bumpers. To
                      optimise the shutter structure the simplified parametric
                      mock-up was developed which allows variation of the arms’
                      stiffness, the mass, the arms preloading as well as the time
                      evolution of the actuator pressure. The experimental results
                      discussed in the paper are in accordance with the analytical
                      and numerical predictions that proved to be a very effective
                      tool for further design needs.},
      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:000418992000151},
      doi          = {10.1016/j.fusengdes.2017.05.099},
      url          = {https://juser.fz-juelich.de/record/837452},
}