Filtern
Erscheinungsjahr
- 2010 (4)
Dokumenttyp
Referierte Publikation
- nein (4)
Schlagworte
- Smouldering (4) (entfernen)
Fire simulation is mostly understood as simulation of room fires, i.e. where the free volume is
large compared to the volume occupied by the combustible matter. In such a case, the fire
propagation is predominantly a fluid dynamics problem. Fire propagation through bulk
materials, insulation layers or wooden construction elements is, however, determined by
conduction and diffusion. For these cases modified modelling principles and different
software solutions have to be applied. Computational results are presented for temperature
evolution and charring progress in a timber beam exposed to ISO standard temperature curve,
for self-ignition and fire propagation in a waste deposit with consideration to
conduction/diffusion and convection inside the porous medium and for a fire in an
underground coal seam where conduction/diffusion is the prevailing mechanism.