Effect of water injection and spark timing on the nitric oxide emission and combustion parameters of a hydrogen fuelled spark ignition engine

被引：91

作者：

Subramanian, V. ^{[1
]}

Mallikarjuna, J. M. ^{[1
]}

Ramesh, A. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Mech Engn, Internal Combust Engines Lab, Madras 600036, Tamil Nadu, India

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2007年 / 32卷 / 09期

关键词：

hydrogen fuelled engine; NO emission control; water injection; hydrogen combustion; PERFORMANCE;

D O I：

10.1016/j.ijhydene.2006.07.022

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

One of the main problems with hydrogen fuelled internal combustion engines is the high NO level due to rapid combustion. Use of diluents with the charge and retardation of the spark ignition timing can reduce NO levels in Hydrogen fuelled engines. In this work a single cylinder hydrogen fuelled engine was run at different equivalence ratios at full throttle. NO levels were found to rise after an equivalence ratio of 0.55, maximum value was about 7500 ppm. High reductions in NO emission were not possible without a significant drop in thermal efficiency with retarded spark ignition timings. Drastic drop in NO levels to even as low as 2490 ppm were seen with water injection. In spite of the reduction in heat release rate (HRR) no loss in brake thermal efficiency (BTE) was observed. There was no significant influence on combustion stability or HC levels. (c) 2006 Intemational Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

引用

页码：1159 / 1173

页数：15

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