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Fire Behavior

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by

Dani Seipp

on 20 May 2014

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Transcript of Fire Behavior

Fire Behavior
A self-sustaining, rapid oxidation of a matter resulting in the release of energy, in the form of heat and light, of various intensities.
The minimum temperature
that a fuel must
reach to give off
ignitable vapors
Pyrolosis
Matter:
Solid: Has definite volume and shape
Liquid: has a definite volume but not a definite shape
Gas: has neither a definite shape nor volume
Fire
Flash Point:
Flammable
The numerical difference between a flammable substance's lower and upper explosive limits
BLEVE
The result of the explosive release of vessel pressure portions of the metal tank, and a burning vapor cloud of gas with the accompanying radiant heat.
A self-sustaining chemical reaction that yields energy or products that further reactions of the same kind.
Combustion
The process of breaking down a solid fuel into gaseous components when heated
Classes of Fire:
A: Ordinary Combustibles
B: Flammable or combustible Liquids
C: Electrical (Water?)
D: Combustible Metals
K: Cooking Oils and Fats
Incipient Stage
Growth Stage
Fully Developed
Decay Stage
Conduction
Convection
Radiation
A sudden event that occurs when all the contents of a room or enclosure reach their ignition temperature almost simultaneously.
Flashover:
A sudden, violent reignition of contents of a closed container fire that has consumed the oxygen within the space when a new source of oxygen is introduced.
Backdraft
Range
Transfer of Heat:
Write a definition of Fire
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