A 1-D Numerical Analysis on the Control of HCCI Combustion in a CI Engine Through Exhaust Gas Recirculation

被引：0

作者：

Duc-Khanh Nguyen ^{[1
,2
]}

Anh-Tuan Le ^{[1
]}

Thu-Huong Tran Thi ^{[1
]}

Wu, Ming-Hsun ^{[2
]}

机构：

[1] Hanoi Univ Sci & Technol, Sch Transportat Engn, Hanoi 10000, Vietnam

[2] Natl Cheng Kung Univ, Dept Mech Engn, Tainan 70101, Taiwan

来源：

JOURNAL OF THE CHINESE SOCIETY OF MECHANICAL ENGINEERS | 2018年 / 39卷 / 02期

关键词：

HCCI; exhaust gas recirculation; combustion control; engine 1-D simulation; CHARGE COMPRESSION IGNITION; PERFORMANCE;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, we investigated the potential of combustion control of a diesel engine operating in homogeneous charge compression ignition (HCCI) mode through 1-D engine gas dynamic simulation (AVL BOOST). Effects of parameters including the content of residual gas, the ratio of external EGR, and its temperature on engine thermal efficiency were studied. The results showed that the engine efficiency increased with more residual gas at lean conditions. The temperature of recirculated exhaust gas is an important parameter for auto-ignition timing control. As the exhaust gas temperature becomes higher, combustion initiation occurs earlier, further results in the reduction of engine efficiency. The indicated efficiency of the engine operating in HCCI mode peaks at 43.19% with lambda of 3.53 without EGR. The simulation predicts that the efficiency can be improved to 44.07% by using leaner mixture and EGR.

引用

页码：179 / 186

页数：8

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