3. Combustion chambers
3.1 Direct injection engines
Combustion in direct injection engines is essentially organized on the basis of air entrainment by fuel jets from the injector.
The combustion chamber, usually located in the piston crown, is shaped to suit the trajectory of the jets. The main rules leading to these choices are :
the presence of fresh air around the jets;
jet trajectory control;
...
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Combustion chambers
Combining the injection system with the combustion chamber
References
In Engineering Techniques
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