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@PHDTHESIS{Butzek:46209,
      author       = {Butzek, Michael},
      title        = {{S}icherheitstechnische {A}uslegung der {B}etriebsumgebung
                      eines {H}ochleistungs-{S}pallationstargetsystemes der
                      {M}egawattklasse mit {Q}uecksilber als {T}argetmaterial},
      volume       = {4175},
      issn         = {0944-2952},
      school       = {Univ. Wuppertal},
      type         = {Dr. (Univ.)},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {PreJuSER-46209, Juel-4175},
      series       = {Berichte des Forschungszentrums Jülich},
      pages        = {II, 145 S.},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012; Wuppertal, Univ.,
                      Diss., 2005},
      abstract     = {This thesis is concerning the safety relevant layout of the
                      environment of a mercury based 5-Megawatt-spallation target.
                      All safety relevant aspects related to construction,
                      operation and dismantling as well economical issues were
                      taken into account. Safety concerns are basically driven by
                      the toxic and radioactive inventory as well as the kind and
                      intensity of radiation produced by the spallation process.
                      Due to significant differences in inventory and radiation
                      between a spallation source and a fission reactor, for the
                      design of the spallation source mentioned above the safety
                      philosophy of a fission reactor must not be used unchanged.
                      Rather than this a systematic study of all safety related
                      boundary conditions is necessary. Within this thesis all
                      safety relevant boundary conditions for this specific type
                      of machine are given. Beside the spatial distribution of
                      different areas inside the target station, influence of
                      medias to be used as well as arising radiation and handling
                      requirements are discussed in detail. A general layout of
                      the target station is presented, serving as a basis for all
                      further component and system development. An enclosure
                      concept for the target station was developed, taking into
                      account the safety relevant issues concerning the mercury
                      used as target materials, the water cooling loops containing
                      massive amounts of tritium as well as the materials used for
                      the moderators potentially forming explosive mixtures.
                      Concept and detailed technical layout of the enclosure
                      system was chosen to guarantee safe operation of the source
                      as well as taking care of requirement arising for handling
                      needs. For design of the shielding different suitable
                      materials have been discussed. A design for assembling the
                      shielding is shown taking into account the safety relevant
                      equirements during operation as well as during dismantling.
                      The neutron beam shutters, buried inside the shielding were
                      designed to optimize handling and positioning issued of the
                      inner part of the neutron guide system. Due to the high
                      amount of safety relevant handling procedures, concepts for
                      time efficient and safe handling of the major components
                      have been developed. Based on the concepts shown is this
                      thesis, construction an operation of a high power spallation
                      source of the described kind seem to be feasible considering
                      safety and costs.},
      cin          = {ZAT},
      cid          = {I:(DE-Juel1)ZAT-20090406},
      pnm          = {Instrumentierung für fortschrittliche Neutronenquellen},
      pid          = {G:(DE-Juel1)FUEK341},
      typ          = {PUB:(DE-HGF)11 / PUB:(DE-HGF)3},
      url          = {https://juser.fz-juelich.de/record/46209},
}