Impact of Lambda Value on Combustion Characteristics and Emissions of Syngas-Diesel Dual-Fuel Engine

被引：4
作者：
Mahmood, Hussein A. [1 ]
Al-Sulttani, Ali O. [2 ]
Mousa, Naseer A. [1 ]
Attia, Osam H. [1 ]
机构：
[1] Univ Baghdad, Dept Reconstruct & Projects, Baghdad, Iraq
[2] Univ Baghdad, Coll Engn, Dept Water Resources Engn, Baghdad, Iraq
来源：
INTERNATIONAL JOURNAL OF TECHNOLOGY | 2022年 / 13卷 / 01期
关键词：
CFD; Combustion; Emission; Lambda; Syngas-diesel dual-fuel engine; CHEMICAL-KINETICS; PERFORMANCE; CFD; OPTIMIZATION; BLENDS; GAS;
D O I：
10.14716/ijtech.v13i1.5060
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A deep understanding of the ignition characteristics of syngas-diesel under different lambda values is essential for the application of dual-fuel combustion. In this study, the effect of increasing the lambda value was examined along with the emission characteristics and engine performance of syngas-diesel dual-fuel engines under a constant syngas-to-diesel substitution ratio of 52% at 2000 rpm engine speed. The work involved computational fluid dynamics analysis related to combustion for a four-stroke single-cylinder direct-injection engine. Combustion analysis was carried out using ANSYS Workbench (FLUENT) V16.1 software. According to the simulation results, the maximum pressure, temperature, and nitric oxide emission inside the combustion chamber increased with each increase in the value of lambda, while the emission of carbon dioxide and carbon monoxide decreased inside the engine.
引用
收藏
页码：179 / 189
页数：11
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