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@ARTICLE{Ji:916653,
      author       = {Ji, Ruiyun and Wenig, Philipp Josef and Kelm, Stephan and
                      Klein, Markus},
      title        = {{E}pistemic uncertainty in {URANS} based {CFD} analysis of
                      buoyancy driven flows—{C}omparison of {URANS} and {LES}},
      journal      = {Annals of nuclear energy},
      volume       = {181},
      issn         = {0306-4549},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2023-00005},
      pages        = {109563 -},
      year         = {2023},
      abstract     = {The containment is the last barrier to prevent the release
                      of radioactive materials into the environment in case of a
                      severe reactor accident. Thus, it is important to understand
                      the flow and transport processes of combustible gases and to
                      develop strategies to maintain the integrity of the
                      containment. A holistic OpenFOAM-based CFD software package,
                      containmentFOAM, is developed for containment analysis.
                      During the validation of the code with regard to free
                      convection flows and mixing processes, it became apparent
                      that the simulation results are fairly sensitive to the
                      definition of initial and boundary conditions, which are
                      often not precisely known from the experiment. Therefore,
                      establishing the validity of the models is impossible
                      without a quantification of uncertainties.},
      cin          = {IEK-14},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-14-20191129},
      pnm          = {1422 - Beyond Design Basis Accidents and Emergency
                      Management (POF4-142)},
      pid          = {G:(DE-HGF)POF4-1422},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000890307700003},
      doi          = {10.1016/j.anucene.2022.109563},
      url          = {https://juser.fz-juelich.de/record/916653},
}