- SKYACTIV-X is the world's first commercial gasoline engine to use compression ignition
, in which the fuel-air mixture ignites spontaneously when compressed by the piston
For simulating processes occuring inside the compression ignition
engine the models were used, which are supplied by ANSYS Fluent software.
Their approach is GDCI: Gas direct injection compression ignition
. The key is injecting partially premixed fuel very late in the compression stroke and performing the injections multiple times.
An engine concept capable of combining the efficiency of a diesel engine with the tailpipe emissions level of an SI engine is the homogeneous charge compression ignition
(HCCI) engine .
The best known of these techniques is RCCI (reactivity controlled compression ignition
Ethanol is one of the possible fuels for diesel replacement in Compression Ignition
Delphi claimed e-Phaser would contribute to the continued development of homogeneous charge compression ignition
(HCCI) technology, further reducing fuel consumption and NOx emissions.
To minimize the magnitude of deviation from the ideal cycle and to comply with future emission norms the best features of SI (Spark Ignition) and CI (Compression Ignition
) engines combustion can be coupled to obtain a lean burning hybrid combustion mode known as homogenous charge compression ignition
in which the combustion takes place spontaneously and homogenously.
are collaborating to develop heavy-duty diesel engines based on the HCCI (Homogeneous Charge Compression Ignition