2014
EMSS 2014 Proceeding
Influence of parked cars on smoke propagation during car park fire
Authors: Peter Weisenpacher, Ladislav Halada, Jan Glasa, Jan Astalos
Abstract
In this paper, the influence of number and shape of cars parked in underground car park on smoke propagation during the car park fire is examined. A series of high performance parallel computer simulations of fire scenarios is performed on cluster of computers using the NIST FDS system, version 5.5.3. Special emphasis is on evaluation of tenability conditions in the car park under different circumstances. Variable circumstances include different number and size of parked cars, ventilation configuration as well as fire source. Visibility at head level determined by simulation shows a significant impact of the cars number and shape on smoke propagation. The effect is more significant if cars are high enough to disrupt hot layer like vans and less significant for passenger cars. Air flow patterns differences of selected fire scenarios are analysed as well.
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