Simulation and prediction on the performance of a vehicle's hydrogen engine

被引：37
|
作者：
Ma, H [1 ]
Su, YK [1 ]
Zhou, YC [1 ]
Zhang, ZL [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Power & Energy, Shanghai 200030, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2003年 / 28卷 / 01期
关键词：
hydrogen engine; working process; simulation; performance prediction;
D O I：
10.1016/S0360-3199(02)00046-0
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：
A comprehensive computer simulation has been developed to predict the performance of a vehicle's hydrogen engine. The effects of various coefficients, such as compression-ratio, excessive air parameter and ignition advancing, to the engine's performance were calculated and then the optimal parameters of the engine structure were determined. The simulation and analysis show several meaningful results. Hydrogen engine may achieve a lean-combustion. While the portion of hydrogen in the mixture is large, the cylinder pressure will increase quickly and the thermal efficiency will decline. It has a higher thermal efficiency in the range of 35-50%. Its cylinder diameter has got an optimal value between 0.07 and 0.09 m. Its spark advance angle has no considerable effect on the engine's performance. The thermal efficiency grows with the increase of compression ratio. (C) 2002 International Association for Hydrogen Energy. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：77 / 83
页数：7
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