2. Thermochemistry
Before describing combustion reaction processes, it's necessary to recall a few elements of chemical thermodynamics and thermochemistry.
The aim is to express the composition of the fuel-air reaction mixture and calculate the heat released and the composition of the exhaust gases.
2.1 Stoichiometric equation of combustion. Stoichiometric ratio
Quantitative elemental analysis of the fuel provides its mass content of carbon, hydrogen and, where applicable, oxygen, enabling us to write the overall formula (CH y O z ) x where the coefficient x, linked to the molar mass, has no influence on the air-fuel...
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Thermochemistry
Physico-chemical combustion processes
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