Role of accumulation for ignition of fuel beds by firebrands

Role of accumulation for ignition of fuel beds by firebrands

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Large outdoor fires are one of the prominent fire problems in the world.Spot fires, caused Posições verticalizadas no parto e a prevenção de lacerações perineais: revisão sistemática e metanálise by firebrands, are known as a key mechanism of rapid fire spread.Firebrands ignite unburned fuels far ahead of the fire front.In large outdoor fires, firebrands are thought to accumulate and ignite unburned fuel which cannot be ignited by a single firebrand.Experiments are performed to investigate the ignition behavior of fuel beds with changing fuel moisture content (FMC) and wind speed.

It was found that accumulated firebrands could cause ignitions on fuel beds with high FMC and the upper limit Modern look to the risk factors and prevention of cervical cancer of FMC for ignition increased from 6 m/s to 8 m/s.