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“In-Use Light-Duty Gasoline Vehicle Particulate Matter Emissions on the FTP,REPOS, and UC Cycles”
| 题名： | “In-Use Light-Duty Gasoline Vehicle Particulate Matter Emissions on the FTP,REPOS, and UC Cycles” |
| 作者： | Steven H. Cadle, et al.(GM) Ronald A. Ragazzi, et al. (Colorado Dept. Of Public Health & Environment) Barbara Zielinska (Desert Research Institute) |
| 关键词： | Exhaust PM Emissions MOUDI Impactor Light-duty Diesel Vehicles Chassis Dynamometer Study FTP PM Emissions REP05 Cycles CO Emitters Light-duty Gasoline Vehicles Tier 1 and Tier 0 Vehicles |
| 摘要： | The study was conducted at the Colorado Department of Public Health and Environment (CDPHE) Aurora Emissions Technical Center, in the eastern Denver metropolitan area starting in May 1998.The program was designed to focus on in-use, late model (1990 or later model year) LDGVs. The goals of the exhaust PM characterization component [added by CRC’s participation in this study] were to: 1) improve die data base on PM emission rates from in-use vehicles at low temperatures (35 °F); 2) determine the impact of driving cycle on PM emission rate; 3) determine the impact of an oxygenated fuel on the PM emission rate and 4) determine the impact of fuel and driving cycle on the particle size distribution, number, and the PM chemical composition. Twenty-four in-use, properly-functioning Tier 1 and Tier 0 vehicles and 6 high CO emitters were tested on a chassis dynamometer at 35°F using the FTP, a hot start unified cycler (UC), and the REP05 driving cycles. The 2 fuels, which were blended locally, were selected to represent real world commercially available fuels for the Colorado Front Range. The oxygenated fuel was a 10% ethanol blend. Particle size, number, and chemical characterization data were obtained from a subset of this fleet consisting of 10 Tier 1 and Tier 0 vehicles and 2 high emitters. |
| 报告类型： | 科技报告 |
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