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Exhaust Emissions of Average Fuel Composition.
| 题名： | Exhaust Emissions of Average Fuel Composition. |
| 作者： | Buckingham, J. P.; Jimenezorge, E. |
| 关键词： | Air Pollution Abatement; Analysis Of Variance; Carbon Dioxide; Carbon Monoxide; Dynamometers; Ethanol; Exhaust Emissions; Fuel Consumption; Gasoline; Hydrocarbons; Methane; Motor Vehicles; Nitrogen Ox |
| 摘要： | This report documents a test program run at Southwest Research Institute (SwRI) for the Coordinating Research Council (CRC). The program objective was to generate data with the EPAct Fleet vehicles used in the EPAct/V2/E-89 program with three fuels over the LA-92 test cycle. One of the fuels was a re-blend of Fuel 13 used in the EPAct/V2/E-89 program and the other two fuels had properties that exist inside the envelope of the properties defined by the EPAct fuels. Several emissions predictive models have been developed in order to assess the fuel effects on exhaust emissions from lightduty vehicles certified to Tier-2 standards. These models were based on the emissions tests from the EPAct/V2/E-89 fleet of 15 model year 2008 vehicles using 27 fuels with varying levels of five fuel properties: ethanol, T50, T90, RVP and aromatics. Emissions model predictions compared in this study include THC, NMHC, CH4, CO, NOX and PM for the Composite, Phase 1, Phase 2 and Phase 3 tests. The results were analyzed statistically to compare the measured emissions from the re-blended EPAct fuel with the other two fuels in this study, and to determine if the fuels tested in this program fall within the predictions of existing statistical models. |
| 报告类型： | 科技报告 |
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