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@INPROCEEDINGS{Troff:1049975,
      author       = {Troff, Anna and Osburg, Manuel and Belt, Alexander and
                      Arnold, Lukas and Hodges, Jonathan},
      title        = {{S}ensitivity {S}tudy of {I}nput {P}arameters in {M}odeling
                      {F}lame {S}pread in {B}ench-{S}cale {E}xperiments {U}sing
                      the {SP}yro {M}odel in {FDS}},
      reportid     = {FZJ-2025-05689},
      pages        = {12},
      year         = {2025},
      abstract     = {The heat release rate (HRR) of a burning solid material
                      depends on the interaction of several physical phenomena,
                      such as the decomposition of the condensed phase, the
                      exothermic combustion reaction in the gas phase, and the
                      transfer of heat back to the material surface. While the
                      fire safety community has made significant progress in
                      quantifying material and reaction properties in recent
                      years, it is still the focus of on going research in the
                      community. As a result, simplified engineering approaches
                      are often used in performance-based design (PBD) in fire
                      safety applications. The scaling-based pyrolysis (SPyro)
                      model is a recently developed engineering model to bridge
                      the gap between detailed pyrolysis models and engineering
                      practice. SPyro uses the concept of heat of gasification to
                      scale a measured bench-scale material response to dynamic
                      exposure conditions predicted within a computational fluid
                      dynamics (CFD) model. The model estimates the flame heat
                      flux occurring in a cone calorimeter experiment to calculate
                      the reference heat flux for use in scaling. To date, this
                      heat flux has been estimated based on an empirical
                      formulation for a cone calorimeter in a horizontal
                      configuration. However, these results are often applied to
                      predict material behavior in a vertical configuration, for
                      example wall linings. In this study, cone calorimeter
                      experiments were conducted using cast black polymethyl
                      methacrylate (PMMA) across a range of configurations,
                      including both horizontal and vertical orientations. The
                      experimental data were used to calibrate and validate the
                      SPyro model, enabling cross-prediction between
                      configurations. Furthermore, the SPyro model was also
                      applied to simulate fire growth in another benchscale
                      experiment.},
      month         = {Jun},
      date          = {2025-06-30},
      organization  = {Interflam, Egham (UK), 30 Jun 2025 - 2
                       Jul 2025},
      cin          = {IAS-7},
      cid          = {I:(DE-Juel1)IAS-7-20180321},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511)},
      pid          = {G:(DE-HGF)POF4-5111},
      typ          = {PUB:(DE-HGF)8},
      doi          = {10.34734/FZJ-2025-05689},
      url          = {https://juser.fz-juelich.de/record/1049975},
}