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原文传递 Partial oxidation for improved cold starts in alcohol-fueled engines: Phase 2 topical report

题名：	Partial oxidation for improved cold starts in alcohol-fueled engines: Phase 2 topical report
关键词：	33 ADVANCED PROPULSION SYSTEMS ;10 SYNTHETIC FUELS; INTERNAL COMBUSTION ENGINES; ETHANOL FUELS; FUEL SUBSTITUTION; START-UP; PARTIAL OXIDATION PROCESSES; AIR POLLUTION ABATEMENT; CHEMICAL REACTORS; DESIGN
摘要：	Alcohol fuels exhibit poor cold-start performance because of their low volatility. Neat alcohol engines become difficult, if not impossible, to start at temperatures close to or below freezing. Improvements in the cold-start performance (both time to start and emissions) are essential to capture the full benefits of alcohols as an alternative transportation fuel. The objective of this project was to develop a neat alcohol partial oxidation (POX) reforming technology to improve an alcohol engine`s ability to start at low temperatures (as low as {minus}30 C) and to reduce its cold-start emissions. The project emphasis was on fuel-grade ethanol (E95) but the technology can be easily extended to other alcohol fuels. Ultimately a compact, on-vehicle, ethanol POX reactor was developed as a fuel system component to produce a hydrogen-rich, fuel-gas mixture for cold starts. The POX reactor is an easily controllable combustion device that allows flexibility during engine startup even in the most extreme conditions. It is a small device that is mounted directly onto the engine intake manifold. The gaseous fuel products (or reformate) from the POX reactor exit the chamber and enter the intake manifold, either replacing or supplementing the standard ethanol fuel consumed during an engine start. The combustion of the reformate during startup can reduce engine start time and tail-pipe emissions.
总页数：	34p
报告类型：	科技报告