Homogeneous Charge Progressive Combustion (HCPC): CFD Study of an Innovative Diesel HCCI Concept

Ettore Musu; Roberto Gentili; Rolf D. Reitz

doi:10.4271/2009-01-1344

2009-04-20

Homogeneous Charge Progressive Combustion (HCPC): CFD Study of an Innovative Diesel HCCI Concept 2009-01-1344

This paper concerns a study of an innovative concept to control HCCI combustion in diesel-fueled engines. The concept consists in forming a pre-compressed homogeneous charge outside the cylinder and in gradually admitting it into the cylinder during the combustion process. This new combustion concept has been called Homogeneous Charge Progressive Combustion (HCPC).

CFD analysis was conducted to understand the feasibility of the HCPC concept and to identify the parameters that control and influence this novel HCCI combustion. A CFD code with detailed kinetic chemistry (AVL FIRE) was used in the study.

Results in terms of pressure, heat release rate, temperature, and emissions production are presented that demonstrate the validity of the HCPC combustion concept.

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Homogeneous Charge Progressive Combustion (HCPC): CFD Study of an Innovative Diesel HCCI Concept 2009-01-1344

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