Homogeneous charge internal combustion engines

The homogeneous charge, compression-ignition (HCCI) combustion process has the potentialto significantly reduce NOx and particulate emissions, while achieving high thermal efficiencyand the capability of operating with a wide variety of fuels. This makes HCCI engine anattractive technology that can ostensibly provide diesel-like fuel efficiency and very lowemissions which may allow emissions compliance to occur without relying on lean-aftertreatment systems.A profound increase in the level of research and development of this technology has occurredin the last decade. As this thesis giving a basic introduction to the state-of-the-art of HCCItechnology, provides a perspective for the future. This thesis is formed of 4 main underlyingtopics including Gasoline-Fueled HCCI Engines, Diesel-Fueled HCCI Engines, AlternativeFuels and Fuel Additives for HCCI Engines, and finally HCCI Control and Operating RangeExtension.Keywords: Homogeneous charge, compression ignition, variable valve timing, boostpressure, variable compression ratio