Fire Behavior
We spent more time on fire behavior and nozzle techniques. We even got to play with the Backdraft simulator a little bit.....
A backdraft is created when the room where the fire is becomes oxygen deficient. The fire begins to die down and smolder. When a door or window is opened, oxygen rushes back into the room to the source of the fire and the smoke (unburned fuel) ignites created a wave of pressure (concussive but creates no structural damage) and flame.
Here is a sample of what the backdraft simulator is/does....
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