Combustion
Combustion
Combustion (/kəmˈbʌstʃən/), also known as burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.
Etymology
The term 'combustion' originates from the Latin word 'combustio', meaning 'burning'.
Process
Combustion in a fire produces a flame, and the heat produced can make combustion self-sustaining. Combustion is often a complicated sequence of elementary radical reactions. Solid fuels, such as wood and coal, first undergo endothermic pyrolysis to produce gaseous fuels whose combustion then supplies the heat required to produce more of them.
Types of Combustion
There are several types of combustion, including spontaneous combustion, diesel combustion, gasoline combustion, turbulent combustion, and homogeneous charge compression ignition combustion.
Related Terms
- Oxidation: The process or result of oxidizing or being oxidized.
- Redox: A type of chemical reaction in which the oxidation states of atoms are changed.
- Exothermic reaction: A chemical reaction that releases energy by light or heat.
- Pyrolysis: The thermal decomposition of materials at elevated temperatures in an inert atmosphere.
External links
- Medical encyclopedia article on Combustion
- Wikipedia's article - Combustion
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