Flashpoint is defined as the lowest temperature at which a fuel liberates vapor at a sufficient flow rate such that the vapor forms a mixture with air, That mixture will ignite in the presence using the pilot or an ignition source.
When the fuel reaches its flash point fuel is ready to burn when there is an ignition source.
If a spill of liquid fuel occurs, the chances of fire is very high and the air or fuel temperature reaches the flashpoint.
The ignition point of liquid fuel
Fire Point
It refers to the minimum liquid temperature for sustained burning of the liquid fuel with or without the ignition source
At the fire point, the heat release rate of the establishing flame balances the rate of heat losses to the surroundings
Auto-ignition Point
it occurs through the self-heating of the reactants
Liquid fuel flash point, ignition, fire point with flammability
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