Analysis of heat and smoke propagation and oscillatory flow through ceiling vents in a large-scale compartment fire
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Knowledge AreaCiencia de los Materiales e Ingeniería Metalúrgica; Ingeniería de los Procesos de Fabricación
SponsorsThis research was funded by Consorcio Regional de Transportes de Madrid, grant number OTRI-FUNED 5510003256. The support of the Consorcio Regional de Transportes de Madrid is gratefully acknowledged.
Realizado en/conUniversidad Nacional de Educación a Distancia; Universidad Politécnica de Madrid
Bibliographic CitationZanzi C, Gómez P, López J, Hernández J. Analysis of Heat and Smoke Propagation and Oscillatory Flow through Ceiling Vents in a Large-Scale Compartment Fire. Applied Sciences. 2019; 9(16):3305. https://doi.org/10.3390/app9163305
Heat and smoke propagation
Large eddy simulation
One question that often arises is whether a specialized code or a more general code may be equally suitable for fire modeling. This paper investigates the performance and capabilities of a specialized code (FDS) and a general-purpose code (FLUENT) to simulate a fire in the commercial area of an underground intermodal transportation station. In order to facilitate a more precise comparison between the two codes, especially with regard to ventilation issues, the number of factors that may affect the fire evolution is reduced by simplifying the scenario and the fire model. The codes are applied to the same fire scenario using a simplified fire model, which considers a source of mass, heat and species to characterize the fire focus, and whose results are also compared with those obtained using FDS and a combustion model. An oscillating behavior of the fire-induced convective heat and mass fluxes through the natural vents is predicted, whose frequency compares well with experimental results ...
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