HCCI combustion – a challenge for internal combustion engine
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Publication date: 2009-02-01
Combustion Engines 2009,136(1), 3-9
HCCI engine offers a high thermal efficiency combined with low nitrogen oxides and particulate matter emissions. However the key problem: controlled autoignition (CAI) on which is focused this paper is still not solved. Attempts to solve CAI problem as: variable compression ratio (VCR), variable valve train (VVT), exhaust gas recirculation (EGR) and application of fuels having different volatility characteristics and sensitivity to autoignition are disused. Also possibility of fuelling HCCI engine with natural gas (and ignition improver) is presented.
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