Topic / sectie - Fire science fundamentals
6 important questions on Topic / sectie - Fire science fundamentals
What are some examples of unintentional ignition causes?
transport: train brakes, exhaust, catalyser
Friction: ploughing
Fireworks, wishing lanterns
aboveground powerlines
What is the predominant cause of fire?
ver ylittle bit of lightining often in remote mountainous areas
How can powerlines lead to fires?
vegetation contact
wind or smoke arcing, sparks
poor maintenance
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What are the environmental factors required for cigarette ignition?
loose fuel arrangement
fine dead fuel moisture content <14%
Temperature >26 degree (micro climate location)
Relative humidity <22%
What are the physical placement factors required for cigarette ignition?
tip oriented into wind
tip burrowed or downslope
What different kinds of crown fires are there?
passive : individual trees
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