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Presentation about fire

Lê Fanny

Created on December 9, 2023

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Transcript

Fire

index

The different colors of fire

What is fire ?

The specificities of fire

Light

Energy

heat

Results

State

Decomposition

degradation

Pyrolysis

Solid

Liquid

lower level

Vaporization

Gaz

Direct ignition

lower pressure

Light

Colors

blue-green region

depend on temperature

deexcitation of compounds

blue = ~2,000°C

yellow-orange region

yellow and red = ~1,000°C

thermal emission

iron oxide particles

hydrocarbon

sodium salts

depend on - temperature - Composition - material

lithium

metals

copper ions

THANKS