The Influence of Operating Variables and Prechamber Size on Combustion in a Prechamber Stratified-Charge Engine
The Influence of Operating Variables and Prechamber Size on Combustion in a Prechamber Stratified-Charge Engine
- New search for: Heywood, John B.
- New search for: Wall, John C.
- New search for: Heywood, John B.
- New search for: Wall, John C.
This paper describes the results of experimental and computer simulation studies of the combustion process in the prechamber three-valve stratified-charge engine. Prechamber and main-chamber pressure data and matched computer simulation calculations are used to determine the effects of variations in overall air/fuel ratio, engine speed and load, and prechamber volume and orifice diameter on the parameters which define the combustion process (spark advance for optimum torque, ignition delay, combustion duration), on cylinder pressure diagrams (mean main-chamber pressure, mean pressure difference across the orifice, and cycle-by-cycle pressure fluctuations) and on exhaust emissions.General correlations are derived from the data for the shape of the combustion rate profile and the extent of the combustion duration.
Document information
The Influence of Operating Variables and Prechamber Size on Combustion in a Prechamber Stratified-Charge Engine
Sae Technical Papers
1978 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1978
1978-02-01
Conference paper
English
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