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3D FIRE SCALE MODELLING OF COMBINED WOOD AND PLASTIC INTERIOR
Abstract
The paper deals with the problematics of tracking of dynamic parameters in an enclosed space. Its focus is on temperature dynamics in three layers during a fire in the small-scale models. 3D outdoor fire modelling test has been made as the most realistic way of outdoor fire testing. Various phases of the fire, the temperature change related to the fire phase and various fuel sources are observed and analysed. The flashover phenomena was present as expected. Experiments and analyses of material flammability characteristics are included. Model scaling is calculated with respect of non-dimensional scaling rules using non-dimensional pi-groups enabling to scale the thickness of walls, fuel and time. The interior of models is represented by the cribs made of wood and vinyl in certain ratio representing the real state in interiors of rooms or offices in order to model the most realistic modern material combinations. Vinyl is considered as a fire supporter. It was observed this combination of materials produce harmful smoke for both people and environment. The Experiment results will enhance the knowledge of researchers, investigators and professional fire protection engineers as well as Fire modelling software designers.
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References8
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