Grid Optimization for the Full-Scale Test Facility to Evaluate the Fire Performance of Houses - Part 1: Basement Fire

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TypeTechnical Report
Series titleResearch Report (National Research Council Canada. Institute for Research in Construction); no. RR-149
Physical description30 p.
SubjectBasements and foundations; Performance of:
AbstractIn the event of a house fire, the occupants may be harmed by the untenableconditions that may be develop during the fire. The time to untenable conditions can be estimated using experimental studies or numerical simulations. Experimental studies usually provide realistic information but are expensive and time consuming. Numerical simulations, using validated models, can therefore be used to overcome these drawbacks and may also be used to help in the design of experiments. As part of a research project to evaluate life safety in houses, the Fire Risk Management Program at IRC/NRC has carried out numerical simulations to study the fire performance of houses. The numerical simulations were conducted using the Fire Dynamics Simulator (FDS)1, a CFD model developed by the US. National Institute of Standards and Technology (NIST). As a first step, the effect of the CFD grid sizes on the simulation results of the house fire was investigated in order to determine an optimum grid size that could be adopted for future simulations. Several fire sizes were investigated and the optimum grid resolution was found. The chosen grid resolution was then used to determine the time when conditions would become untenable, based on existing criteria from the literature. This report presents the details of the grid resolution analysis study as well as an evaluation of life safety in houses.
Publication date
PublisherNational Research Council Canada
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC numberNRC-IRC-16074
NPARC number20378344
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Record identifierf3af02c1-800a-46a2-9051-e7b1962953c5
Record created2012-07-24
Record modified2017-06-14
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