2004
DOI: 10.1139/x04-049
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Relating flame radiation to home ignition using modeling and experimental crown fires

Abstract: Wildland-urban fire destruction depends on homes igniting and thus requires an examination of the ignition requirements. A physical-theoretical model, based on severe case conditions and ideal heat transfer characteristics, estimated wood wall ignition occurrence from flame radiation heating and piloted ignition requirements. Crown fire experiments provided an opportunity for assessing model reliability. The crown fire experiments were specifically instrumented with wood wall sections and heat flux sensors to … Show more

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Cited by 129 publications
(84 citation statements)
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(6 reference statements)
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“…Indeed, it is enhanced by the high porosity of the sample (95%) and its low mass, both contributors to dilution. However, ignition and smoke production times for higher heat flux values, that correspond to the usual conditions of fire spread [29,30], are very short and very close (see 30 kW / m 2 in Fig. 6) and they almost overlap.…”
Section: Fig (6) Displays the Ignition Times For Different Heat Insumentioning
confidence: 84%
“…Indeed, it is enhanced by the high porosity of the sample (95%) and its low mass, both contributors to dilution. However, ignition and smoke production times for higher heat flux values, that correspond to the usual conditions of fire spread [29,30], are very short and very close (see 30 kW / m 2 in Fig. 6) and they almost overlap.…”
Section: Fig (6) Displays the Ignition Times For Different Heat Insumentioning
confidence: 84%
“…Other studies use spatial simulation of fires (Ager et al 2010;Salis et al 2013;Mitsopoulos et al 2015;Platanianaki et al 2015). Only few studies compare model predictions with real-world data (Cohen 2000(Cohen , 2004.…”
Section: Introductionmentioning
confidence: 99%
“…Current building recommendations in the wildland-urban interface have been derived from fire safety tests on building materials using heat exposures (duration and magnitude) that are of different ranges from those produced by wildfires. Beyond the experimental data released after the International Crown Fire Experiment (Cohen 2004), there is a lack of characterisation of the thermal exposure of a building within a cleared area receiving hot gases and radiant fluxes from a crown fire. Modeling radiatives fluxes is challenging because of its extreme sensitivity to, among other parameters, gas temperature due to the fourth-power dependence of temperature of the emissive power.…”
Section: Introductionmentioning
confidence: 99%