低压EGR系统对缸内直喷发动机性能影响的研究

张盼望; 熊锐; 吴坚; 张中威; 纪佳圳; 李沛焕

doi:10.12052/gdutxb.200013

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低压EGR系统对缸内直喷发动机性能影响的研究

综合研究 | 更新时间：2026-05-27

- 低压EGR系统对缸内直喷发动机性能影响的研究
- A Study of the Effect of Low Pressure EGR System on Gasoline Direct Injection Engine Performance
- 广东工业大学学报 2020年37卷第5期页码：82-86
- 作者机构：
  
  1. 广东工业大学机电工程学院,广东,广州,510006
  2. 广汽集团汽车工程研究院,广东,广州,510640
- 作者简介：
  
  张盼望(1990–)，男，硕士研究生，主要研究方向为汽车节能与排放控制
- 基金信息：
  
  国家重点研发计划项目(2017YFB0103300)
- DOI：10.12052/gdutxb.200013
  中图分类号： TK411+.5
- 网络首发：2020-09-17，
  
  纸质出版：2020
- 稿件说明：
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张盼望, 熊锐, 吴坚, 张中威, 纪佳圳, 李沛焕. 低压EGR系统对缸内直喷发动机性能影响的研究[J]. 广东工业大学学报, 2020, 37(5): 82-86.

Zhang Pan-wang, Xiong Rui, Wu Jian, et al. A Study of the Effect of Low Pressure EGR System on Gasoline Direct Injection Engine Performance[J]. 2020, 37(5): 82-86.
张盼望, 熊锐, 吴坚, 张中威, 纪佳圳, 李沛焕. 低压EGR系统对缸内直喷发动机性能影响的研究[J]. 广东工业大学学报, 2020, 37(5): 82-86. DOI： 10.12052/gdutxb.200013.

Zhang Pan-wang, Xiong Rui, Wu Jian, et al. A Study of the Effect of Low Pressure EGR System on Gasoline Direct Injection Engine Performance[J]. 2020, 37(5): 82-86. DOI： 10.12052/gdutxb.200013.

摘要

为研究低压废气再循环系统(Exhaust Gas Recirculation

EGR)对缸内直喷发动机油耗、排放和泵气损失的影响

基于某2.0T缸内直喷发动机

提出了一套低压EGR系统控制策略。试验结果表明

在各个工况下

随着EGR率的升高

比油耗出现降低的情况

泵气损失得到良好改善

排气端的一氧化碳(CO)和氮氧化物(NO

)含量降低

总碳氢化合物(Total Hydrocarbons，THC)含量略有升高。

Abstract

In order to study the effect of low-pressure exhaust gas recirculation system (Exhaust Gas Recirculation

EGR) on the fuel consumption

emissions and pumping loss of a direct-injection engine in a cylinder

a set of low-pressure EGR system control strategies is proposed based on a 2.0T direct-injection engine. The test results show that under various operating conditions

as the EGR rate increases

the specific fuel consumption decreases

the pumping loss is improved

and the carbon monoxide (CO) and nitrogen oxide (NO

) content at the exhaust end decreases. Total Hydrocarbon (THC) content increases slightly.

关键词

Keywords

references

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