Optimization of injection system for a medium-speed four-stroke spark-ignition marine hydrogen engine

被引：11
|
作者：
Qu, Wenjing [1 ]
Fang, Yuan [1 ]
Wang, Zixin [1 ]
Sun, Hongjie [1 ]
Feng, Liyan [1 ]
机构：
[1] Dalian Univ Technol, Inst Internal Combust Engines, Dalian, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2022年 / 47卷 / 44期
关键词：
High-power hydrogen engine; Medium-speed; Injection system; Mixing characteristics; COMBUSTION; EMISSIONS; POWER; FUEL;
D O I：
10.1016/j.ijhydene.2022.04.096
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：
In order to avoid the abnormal combustion in high-power hydrogen engine, a 3D CFD numerical model of a direct-injection spark-ignition hydrogen engine was built up based on a large-bore medium-speed four-stroke marine diesel engine using CONVERGE software. To obtain the influence of injection parameters on mixture homogeneity, a dimension reduction optimization method was proposed. The results revealed that the turbulence intensity and the penetration distance varied with the injection parameters, determined the level of mixture homogeneity. The performance comparison between the hydrogen engine and prototype diesel engine showed a great potential of hydrogen in internal combustion (IC) engines. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：19289 / 19297
页数：9
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