Numerical investigation on the combustion process in a spark-ignited engine fueled with hydrogen-gasoline blends

被引：38

作者：

Ji, Changwei ^{[1
]}

Liu, Xiaolong ^{[1
]}

Gao, Binbin ^{[1
]}

Wang, Shuofeng ^{[1
]}

Yang, Jinxin ^{[1
]}

机构：

[1] Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100124, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2013年 / 38卷 / 25期

关键词：

Hydrogen; Gasoline; Combustion; SI engines; CFD simulation; NATURAL-GAS; EMISSIONS PERFORMANCE; PASSENGER CAR; FLAME SPEED; MIXTURES; AIR; CFD;

D O I：

10.1016/j.ijhydene.2013.03.028

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：

This paper numerically investigated the combustion process in a spark-ignited (SI) engine fueled with hydrogen-gasoline blends through the computational fluid dynamics (CFD) calculation. Satisfying agreement between the calculated and measured in-cylinder pressure traces was observed for all test cases. The calculation results demonstrated that, the hydrogen addition availed the increased flame propagation speed and the enhanced degree of flame wrinkling. Compared with the original engine, the peak flame propagation speed was raised by 37.18% and 60.47% at the hydrogen volume fractions of 3% and 6%, respectively. The peak average flame surface densities of the 3% and 6% hydrogen-enriched engines were 28.88% and 35.99% higher than that of the original engine, respectively. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：11149 / 11155

页数：7

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