Assessment of the Use of Fire Dynamics Simulator in Performance-Based Design |
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Authors: | E Zalok G V Hadjisophocleous |
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Affiliation: | (1) Department of Civil and Environmental Engineering, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada |
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Abstract: | This paper discusses a procedure for the use of fire modelling in the performance-based design environment to quantify design
fires for commercial buildings. This procedure includes building surveys, medium-and full-scale experiments and computer modelling.
In this study, a survey of commercial premises was conducted to determine fire loads and types of combustibles present in
these buildings. Statistical data from the literature were analysed to determine the frequency of fires, ignition sources,
and locations relevant to these premises. Based on the results of the survey and the statistical analyses a number of fuel
packages were designed that represent fire loads and combustible materials in commercial buildings. The fuel packages were
used to perform medium- and full-scale, post-flashover fire tests to collect data on heat release rates, compartment temperatures
and production and concentration of toxic gases. Based on the experimental results, input data files for the computational
model, Fire Dynamics Simulator (FDS), were developed to simulate the burning characteristics of the fuel packages observed
in the experiments. Comparative analysis between FDS model predictions and experimental data of HRR, carbon monoxide (CO),
and carbon dioxide (CO2), indicated that FDS model was able to predict the HRR, temperature profile in the burn room, and the total production of
CO and CO2 for medium- and large-scale experiments as well as real size stores. |
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