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Modeling and cold start in alcohol-fueled engines
| 题名： | Modeling and cold start in alcohol-fueled engines |
| 作者： | Bailey, B.K.;Markel, A.J.; |
| 关键词： | 33 ADVANCED PROPULSION SYSTEMS ;09 BIOMASS FUELS; ALCOHOL FUELS; AUTOMOTIVE FUELS; FUEL SUBSTITUTION; COMBUSTION KINETICS; START-UP; IGNITION SYSTEMS; COMMERCIALIZATION |
| 摘要： | Neat alcohol fuels offer several benefits over conventional gasoline in automotive applications. However, their low vapor pressure and high heat of vaporization make it difficult to produce a flammable vapor composition from a neat alcohol fuel during a start under cold ambient conditions. Various methods have been introduced to compensate for this deficiency. In this study, the authors applied computer modeling and simulation to evaluate the potential of four cold-start technologies for engines fueled by near-neat alcohol. The four technologies were a rich combustor device, a partial oxidation reactor, a catalytic reformer, and an enhanced ignition system. The authors ranked the competing technologies by their ability to meet two primary criteria for cold starting an engine at {minus}25 deg C and also by several secondary parameters related to commercialization. Their analysis results suggest that of the four technologies evaluated, the enhanced ignition system is the best option for further development. |
| 总页数： | 62p |
| 报告类型： | 科技报告 |
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