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@ARTICLE{Liu:903575,
      author       = {Liu, Xiongguo and Kelm, Stephan and Yin, Chungen and
                      Allelein, Hans-Josef},
      title        = {{N}ew {H} 2 {O} weighted sum of gray gases model for
                      natural convection flows within large cavities},
      journal      = {Journal of physics / Conference Series},
      volume       = {2116},
      number       = {1},
      issn         = {1742-6588},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2021-05230},
      pages        = {012064},
      year         = {2021},
      abstract     = {Radiation heat transfer plays a significant role in
                      buoyancy driven flows for large scale facilities. In the
                      analysis of nuclear containment safety during severe
                      accidents, it has been found that the thermal radiation
                      particularly affects the temperature distribution and
                      containment pressurization due to the humidity environment.
                      In order to model thermal radiation, one of the main
                      challenges is the description of nongray gas property for
                      the steam-air mixtures. The weighted sum of gray gases model
                      (WSGG) is a reasonable method in engineering applications
                      because of its computational efficiency. There are many WSGG
                      models available for combustion applications, but none of
                      them is dedicated for low temperature applications.
                      Furthermore, most of the existing WSGG models only provide
                      the fixed partial pressure ratios (e.g., pH2O = 2pCO2 for
                      methane). To overcome this limitation, a tailored WSGG model
                      is derived by the Line-by-Line model for a gas mixture
                      composed of arbitrary concentrations of H2O. This tailored
                      WSGG model is valid for the pressure path length ranging
                      from 0.0001 to 10 atm · m, and for the temperature from 300
                      to 1200 K. The WSGG correlations are verified against the
                      Line-by-Line benchmark solutions with
                      isothermal/non-isothermal temperatures and
                      homogeneous/non-homogeneous concentrations. The results
                      demonstrate the ability and efficiency of the new tailored
                      WSGG formulation.},
      cin          = {IEK-6},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {1421 - Design Basis Accidents and Materials Research
                      (POF4-142)},
      pid          = {G:(DE-HGF)POF4-1421},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1088/1742-6596/2116/1/012064},
      url          = {https://juser.fz-juelich.de/record/903575},
}