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@INPROCEEDINGS{Belt:1049979,
      author       = {Belt, Alexander and Lannoye, Karen De and Fehr, Marc and
                      Arnold, Lukas},
      title        = {{IR}-{B}ased {A}nalysis of {F}lame {S}pread in {O}pen and
                      {C}eilinged {R}oom {C}orner {F}ire {E}xperiments},
      reportid     = {FZJ-2025-05693},
      pages        = {12},
      year         = {2025},
      abstract     = {Three different room corner experiments (RCE) with 6mm
                      thick poly(methyl methacrylate) (PMMA) panels were carried
                      out in this study. The set-up is located under an exhaust
                      hood and is closed to three sides with brick walls so that
                      air is only entrained via one side. To ensure symmetrical
                      flow conditions, the walls of the RCE were rotated by 45◦
                      relative to the room walls and the RCE setup was placed in
                      the middle of the room. As an ignition source, a 10kW
                      sandbed burner was used. Two open 1m high RCE configurations
                      and one closed, where an inert calcium silicate ceiling was
                      used, are investigated. In one of the open RCE
                      configurations, the burner was turned off after 2 minutes,
                      to investigate flame spread close to the corner not being
                      dominated by the burner. By including a ceiling, the effect
                      of the radiation feedback is investigated. All experiments
                      were repeated at least three times. Among other
                      measurements, two infrared cameras were used to track the
                      flame front. An in-house software was developed for the
                      IR-based flame front analysis, which will be publicly
                      available. The heat release rate and the temperature
                      measurements between the sample material and the insulation,
                      show a very good repeatability. Furthermore, the analysis of
                      both the IR data and the temperatures shows symmetrical
                      behavior between both PMMA plates. It is shown that the
                      ceiling has a strong impact on the flame spread pattern and
                      velocity, the velocity is more than doubled compared to the
                      open RCE configuration. Whereas the effect of turning off
                      the burner for the open room corner is minor, only a small
                      delay in heat release rate is observed.},
      month         = {Jun},
      date          = {2025-06-15},
      organization  = {11th International Seminar on Fire and
                       Explosion Hazards, Rome (Italy), 15 Jun
                       2025 - 20 Jun 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-2025-05693},
      url          = {https://juser.fz-juelich.de/record/1049979},
}