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forensics fire

description of fire linguo

QuestionAnswer
ignition source Any process or event capable of causing a fire or explosion. Open flames, sparks, static electricity, and hot surfaces are all possible ignition sources.
flame A flame is the visible (light-emitting), gaseous part of a fire
pyrolysis Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen.
heat of combustion The heat of combustion is the energy released as heat when a compound undergoes complete combustion with oxygen under standard conditions.
flash point the lowest temperature at which fuel can vaporize to form an ignitable mixture in air.
fire point The fire point of a fuel is the temperature at which it will continue to burn for at least 5 seconds after ignition by an open flame.
auto-ignition temperature the lowest temperature at which it will spontaneously ignite in a normal atmosphere without an external source of ignition, such as a flame or spark
limits of flammability the proportion of combustible gases in a mixture, between which limits this mixture is flammable.
heat release rate (HRR) the rate at which heat is generated by fire.
toxic fumes Toxic fumes are gases that are poisonous or dangerous to people.
smouldering combustion Smoldering combustion is the least efficient phase of combustion and produces the most smoke per unit of fuel consumed.
glowing combustion Glowing combustion is the phase of combustion when only embers are visible. Glowing combustion refers to the process of surface oxidation of solids occurring in the final stage of the smoldering process (Simmons 1995).
self heating fire
self ignition is when a fuel gets hot enough to ignite on its own
fuel controlled combustion In controlled combustion, the rate of the fuel conversion process is varied by imposing prescribed initial conditions
ventilation controlled combustion where the fire growth is determined by the amount of oxygen.
Created by: ben farrar
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