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HERO ID
4010443
Reference Type
Journal Article
Title
NOx emission and performance data for a hydrogen fueled internal combustion engine at 1500 rpm using exhaust gas recirculation
Author(s)
Heffel, JW
Year
2003
Is Peer Reviewed?
Yes
Journal
International Journal of Hydrogen Energy
ISSN:
0360-3199
Publisher
Elsevier
Volume
28
Issue
8
Page Numbers
901-908
DOI
10.1016/S0360-3199(02)00157-X
Web of Science Id
WOS:000183026800012
URL
https://linkinghub.elsevier.com/retrieve/pii/S036031990200157X
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Abstract
This paper describes six experiments conducted on a 2-liter, 4-cylinder Ford ZETEC internal combustion engine developed to operate on hydrogen fuel. The experiments were conducted to ascertain the effect exhaust gas recirculation (EGR) and a standard 3-way catalytic converter had on NOx emissions and engine performance. All the experiments were conducted at a constant engine speed of 1500 rpm and each experiment used a different fuel flow rate, ranging from 0.78 to 1.63 kg/h. These fuel flow rates correspond to a fuel. equivalence ratio, phi, ranging from 0.35 to 1.02 when the engine is operated without using EGR (i.e. using excess air for dilution). The experiments initially started with the engine operating using excess air. As the experiments proceed, the excess air was replaced with exhaust gas until the engine was operating at a stoichiometric air/fuel ratio. The results of these experiments demonstrated that using EGR is an effective means to lowering NOx emissions to less than 1 ppm while also increasing engine output torque. (C) 2002 International Association for Hydrogen Energy. Published by Elsevier Science Ltd. All rights reserved.
Keywords
lean-burn; exhaust gas recirculation (EGR); hydrogen fueled internal combustion engine
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