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Smoke Movement in a Compartmental Fire

R. Yin

Areas of Strength: Fire Safety Engineering Research Centre for Fire Engineering Department of Building Services Engineering The Hong Kong Polytechnic University Hong Kong, P.R. China bewkchow{at}polyu.edu.hk

Transport of larger smoke particles generated by a fire in a compartment is studied. An atrium fire with three different heat release rates is taken as an example. The air flow pattern and temperature contours are predicted by a fire field (or application of computational fluid dynamics (CFD) model. The paths of smoke particles are modeled by the Lagrangian method coupled with the air movement induced by hot smoke. Distribution of smoke particles and their trajectories are then calculated. By superimposing the trajectories of particles of different sizes, the shape of the smoke plume is observed.

Key Words: compartmentfire • smokefilling • computationalfluiddynamics

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