COMBUSTION

The intense burning of the fuel-air mixture in the combustion chamber . Some used to think that the fuel-air mixture exploded; but further investigation has shown that it rapidly burns. See combustion chamber , combustion chamber volume , combustion space , compression ignition , external combustion engine , internal combustion engine controlled combustion system , hemispherical combustion chamber ,internal combustion chamber , pre-combustion chamber , wedge combustion chamber .