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Determination and Evaluation of New Prep Cycle on the Fuel Effects of Gaseous Emissions on SIDI In-Use Vehicles
| 题名： | Determination and Evaluation of New Prep Cycle on the Fuel Effects of Gaseous Emissions on SIDI In-Use Vehicles |
| 作者： | Morgan, P. J.; Lobato, P. E. |
| 关键词： | Fuel effects##Gaseous emissions##Diagnositc trouble code##Particulate matter (PM) emissions##Particle number##Vehicle emissions##Fuels##relicate test##Gasoline engines##Spark ignited direct injection(SIDI)##Detailed Hydrocarbon Analysis## |
| 摘要： | This project, Coordinating Research Council (CRC) E-94-1a, was conducted by Southwest Research Institute (SwRI) to investigate the repeatability of replicate tests measuring gaseous emissions, fuel economy, and PM and PN emissions. In comparison to the pilot program, the E-94-1a study used a more extensive preconditioning procedure before each test replicate. The repeatability between test replicates was determined; this assessed how comparable results would be when switching between fuels having different properties. The results of this study suggested that each of the three vehicles properly adapted to substantially different fuels and produced repeatable emissions and fuel economy measurements. Therefore, the preconditioning procedure used in the project is considered to be suitable for future work to study the effects of different fuels on vehicle emissions. |
| 总页数： | 73 |
| 报告类型： | 科技报告 |
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