APP下载

柴油机高/低压EGR系统方案的仿真与试验

2014-08-02赵艳婷余宏峰陈镇殷勇

汽车科技 2014年3期
关键词:低压仿真高压

赵艳婷 余宏峰 陈镇 殷勇

摘 要:为了辅助低温燃烧研究,本项目组以国4重型柴油机为基础,保持高压EGR系统不变,搭建各种方案的低压EGR系统,以高/低压EGR系统共同作用下产生50%的EGR率为目标进行仿真计算,最终推荐一种可行方案,并在该方案基础上实现了低温燃烧。

关键词:高压;低压;EGR;仿真;试验

中图分类号:TK421+.3 文献标志码:A 文章编号:1005-2550(2014)03-0063-06

Analysis of Simulation Program of High and Low Pressure EGR System of Diesel Engine

ZHAO Yan-ting, YU Hong-feng, CHEN Zhen, YIN Yong

(Dongfeng Commercial Vehicle Technical Center of DFCV, Wuhan 430056, China)

Abstract: In order to assist advanced combustion research, this project is based on the euro 4 heavy-duty diesel engine, maintain the same high pressure EGR system, set up various options of low pressure EGR systems, under the combined effect of the high / low pressure EGR system EGR rate of 50% target simulation, and ultimately determine a feasible solution, and experimental verification of the program.

Key Words: high pressure; low pressure; EGR; simulation; testendprint

摘 要:为了辅助低温燃烧研究,本项目组以国4重型柴油机为基础,保持高压EGR系统不变,搭建各种方案的低压EGR系统,以高/低压EGR系统共同作用下产生50%的EGR率为目标进行仿真计算,最终推荐一种可行方案,并在该方案基础上实现了低温燃烧。

关键词:高压;低压;EGR;仿真;试验

中图分类号:TK421+.3 文献标志码:A 文章编号:1005-2550(2014)03-0063-06

Analysis of Simulation Program of High and Low Pressure EGR System of Diesel Engine

ZHAO Yan-ting, YU Hong-feng, CHEN Zhen, YIN Yong

(Dongfeng Commercial Vehicle Technical Center of DFCV, Wuhan 430056, China)

Abstract: In order to assist advanced combustion research, this project is based on the euro 4 heavy-duty diesel engine, maintain the same high pressure EGR system, set up various options of low pressure EGR systems, under the combined effect of the high / low pressure EGR system EGR rate of 50% target simulation, and ultimately determine a feasible solution, and experimental verification of the program.

Key Words: high pressure; low pressure; EGR; simulation; testendprint

摘 要:为了辅助低温燃烧研究,本项目组以国4重型柴油机为基础,保持高压EGR系统不变,搭建各种方案的低压EGR系统,以高/低压EGR系统共同作用下产生50%的EGR率为目标进行仿真计算,最终推荐一种可行方案,并在该方案基础上实现了低温燃烧。

关键词:高压;低压;EGR;仿真;试验

中图分类号:TK421+.3 文献标志码:A 文章编号:1005-2550(2014)03-0063-06

Analysis of Simulation Program of High and Low Pressure EGR System of Diesel Engine

ZHAO Yan-ting, YU Hong-feng, CHEN Zhen, YIN Yong

(Dongfeng Commercial Vehicle Technical Center of DFCV, Wuhan 430056, China)

Abstract: In order to assist advanced combustion research, this project is based on the euro 4 heavy-duty diesel engine, maintain the same high pressure EGR system, set up various options of low pressure EGR systems, under the combined effect of the high / low pressure EGR system EGR rate of 50% target simulation, and ultimately determine a feasible solution, and experimental verification of the program.

Key Words: high pressure; low pressure; EGR; simulation; testendprint

猜你喜欢

低压仿真高压
高压高更危险
探讨低压配电设计中电力电缆的选择与施工
低压电网无功调压技术
Buck开关变换器的基本参数设计及仿真分析
试析PLC控制下的自动化立体仓库仿真情况分析
基于MADYMO的航空座椅约束系统优化设计
中国体态假人模型与FAA Hybrid Ⅲ 型假人模型冲击差异性分析
B737—800引气低压故障分析
2015年全国两会最高检、最高法2014年成绩单
2007年高压开关类试验合格的产品和企业