期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 34, 期 10, 页码 4406-4412出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2009.03.037
关键词
Hydrogen internal combustion engine; Supercharging; Exhaust gas recirculation; Efficiency; Emissions
Spark ignition engines can be relatively easily converted to hydrogen using port fuel injection (PFI). However, because of the lower volumetric energy density of a hydrogen-air mixture and the occurrence of abnormal combustion phenomena such as backfire, hydrogen-fueled PFI engines suffer from a power deficit in comparison with gasoline engines. This paper reports measurements on a single-cylinder hydrogen engine equipped with a supercharger and an exhaust gas recirculation (EGR) system. Using EGR combined with supercharging and a three-way catalyst (TWC) is shown to significantly increase the power output while limiting tailpipe emissions of oxides of nitrogen (NO(x)). (C) 2009 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
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