Please enable JavaScript.
Coggle requires JavaScript to display documents.
Combustion and Flame, Link Title - Coggle Diagram
Combustion and Flame
Conditions Necessary for Combustion
:star:
Presence of combustible substance
Presence of a supporter of combustion
Heating the combustible substance to ignition temperature
Types of Combustion
:star:
Spontaneous Combustion
Occurs on its own
Rapid Combustion
Large amount of heat and light produced in short time
Explosive Combustion
Very Fast Combustion in which large amount of heat,light and sound
Ways to Control Fire
:star:
By removing the heat
Water
By cutting off the air supply to burning substance
Covering Fire with
SAND
Carbon Dioxide
Blanket
By removing the fuel
TYPES OF Fuels :star:
SOLID FUELS
Wood,Charcoal,Coal,Coke
LIQUID FUELS
Kerosene,Petrol,Diesel
GASEOUS FUELS
Natural gas, Petroleum gas , Biogas
Fuel Efficiency
:star:
Calorofic Value
kJ/kg (kilojoules per kilogram)
Amount of heat produced by complete burning of 1 kg of fuel
Less pollutants
Flame
:star:
Parts of flame
Middle zone (yellow)
Partial Combustion
Innermost Zone (black)
Unburnt wax vapour
Outer Zone(blue)
Complete Combustion
Harmful products of burning fuels
:star:
Releases unburnt carbon particles in the air
Produces a very poisonous gas - carbon monoxide
Releases carbon dioxide in environment resulting in global warming
Produces sulphur dioxide gas
Link Title