A variable valve timing (VVT) mechanism has been applied in a high-speed direct injection (HSDI) diesel engine. The effective compression ratio (εeff) was lowered by means of late intake valve closing (LIVC), while keeping the expansion ratio constant. Premixed charge compression ignition (PCCI) combustion, adopting the Miller-cycle, was experimentally realized and numerically analyzed. Significant improvements of NOx and soot emissions were achieved for a wide range of engine speeds and loads, frequently used in a transient mode test. The operating range of the Miller-PCCI combustion has been expanded up to an IMEP of 1.30 MPa.
Miller-PCCI Combustion in an HSDI Diesel Engine with VVT
Sae Int. J. Engines
SAE World Congress & Exhibition ; 2008
Sae International Journal of Engines ; 1 , 1 ; 444-456
2008-04-14
13 pages
Aufsatz (Konferenz)
Englisch
Miller-PCCI Combustion in an HSDI Diesel Engine with VVT
British Library Conference Proceedings | 2008
|Miller-PCCI combustion in an HSDI Diesel engine with VVT
Kraftfahrwesen | 2008
|2008-01-0644 Miller-PCCI Combustion in an HSDI Diesel Engine with VVT
British Library Conference Proceedings | 2008
|British Library Online Contents | 2009
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