EVALUATION OF PRECHAMBER SPARK IGNITION ENGINE CONCEPTS
The report reviews the performance, emission, and operational characteristics of prechamber (or divided chamber), spark ignition engine concepts, including an analysis and evaluation of the applicability of these concepts to new automotive and stationary engines and retrofit installations. Relative to conventional automotive engines, prechamber engines exhibit very low carbon monoxide emissions accompanied by some reduction in the emission of nitrogen oxides. However, the hydrocarbon emission from prechamber engines is similar to that of conventional engines employing non-catalytic emission control systems, indicating a need for aftertreatment devices such as lean thermal reactors or catalytic converters. The fuel consumption of vehicles equipped with prechambers is similar to or slightly better than that of equivalent conventional vehicles at comparable levels of emission control.
Aerospace CorporationEnvironmental Programs Group
El Segundo, CA United States
National Environmental Research CenterControl Systems Laboratory
Res Triangle Park, NC United States
- Roessler, W U
- Muraszew, A
- Publication Date: 1975-2
- Pagination: 239 p.
- TRT Terms: Air pollution; Air quality management; Carbon monoxide; Catalytic converters; Design; Energy; Engines; Evaluation; Fuel consumption; Hydrocarbons; Nitric oxide; Nitrogen oxides; Pollutants; Spark ignition engines; Vehicle power plants
- Old TRIS Terms: Motor vehicle engines
- Subject Areas: Design; Energy; Highways; Safety and Human Factors; Vehicles and Equipment;
- Accession Number: 00091611
- Record Type: Publication
- Source Agency: National Technical Information Service
- Report/Paper Numbers: Final Rpt.
- Contract Numbers: EPA-R-802499-01
- Files: TRIS
- Created Date: Aug 13 1975 12:00AM