掺混聚甲氧基二甲醚对中国第六阶段标准柴油机燃烧与排放特性的影响

赵玉伟 1; 王小琛 2; 牛天林 1; 程培源 1; 刘圣华 2

doi:10.7652/xjtuxb202003004

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掺混聚甲氧基二甲醚对中国第六阶段标准柴油机燃烧与排放特性的影响

更新时间：2025-07-09

- 掺混聚甲氧基二甲醚对中国第六阶段标准柴油机燃烧与排放特性的影响
- Effects of PODE_n Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine
- 西安交通大学学报 2020年54卷第3期页码：28-34
- 作者机构：
  
  空军工程大学防空反导学院,西安,710051
- 作者简介：
- 基金信息：
  
  : 2019-09-12。作者简介: 赵玉伟(1987—),男,讲师;刘圣华(通信作者),男,教授,博士生导师。基金项目: 陕西省重点研发计划资助项目(2018ZDCXL-GY-05-06)
- DOI：10.7652/xjtuxb202003004
  中图分类号： TK464
- 网络首发：2020-03-10，
  
  纸质出版：2020
- 稿件说明：
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赵玉伟 1, 王小琛 2, 牛天林 1, 等. 掺混聚甲氧基二甲醚对中国第六阶段标准柴油机燃烧与排放特性的影响[J]. 西安交通大学学报, 2020,54(3):28-34.

Effects of PODE_n Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine[J]. 2020, 54(3): 28-34. DOI: 10.7652/xjtuxb202003004.
赵玉伟 1, 王小琛 2, 牛天林 1, 等. 掺混聚甲氧基二甲醚对中国第六阶段标准柴油机燃烧与排放特性的影响[J]. 西安交通大学学报, 2020,54(3):28-34. DOI： 10.7652/xjtuxb202003004.

Effects of PODE_n Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine[J]. 2020, 54(3): 28-34. DOI: 10.7652/xjtuxb202003004. DOI：

摘要

为研究高含氧、高十六烷值的新型替代燃料聚甲氧基二甲醚(PODE

)掺混柴油对中国第六阶段标准柴油机燃烧与排放特性的影响

在一台增压中冷高压共轨的潍柴动力WP12.460柴油机上开展了不同PODE

比例(体积分数分别为10%、20%、30%)PODE

/柴油混合燃料燃烧特性、燃油经济性及排放特性的试验研究。试验结果表明

随着PODE

掺混比例的增大

缸内最大爆发压力、缸内温度峰值及瞬时放热率峰值均逐渐降低

且各峰值对应相位逐渐前移; 燃烧持续期缩短0.6°～2.1°(曲轴转角)

放热更加集中

有效热效率最高可提升2.43%; 有效燃油消耗率逐渐增加

但当量有效燃油消耗率逐渐降低

最大降幅为4.23%; NO

排放量略有升高

CO排放量、HC排放量和碳烟排放量均逐渐降低

其中CO排放量和碳烟排放量在高负荷工况下降低幅度较大

最高降幅分别为64.5%和75.8%。

Abstract

To investigate the effects of PODE

(a new alternative fuel with high oxygen content and cetane number)addition on fuel economy

combustion and emission characteristics of a China-- emission standard diesel engine

experiments are conducted on a turbocharged intercooled high-pressure common-rail WP12.460 diesel engine fueled with PODE

/diesel mixture in different PODE

blending ratios(volume fractions of 10%

20%

and 30%). The results show that with increasing PODE

blending ratio

the peak values of in-cylinder pressure

in-cylinder temperature and transient heat release rate decrease and

the corresponding combustion phases appear in advance. The combustion duration shortens by 0.6--2.1-(crank angle)

the brake thermal efficiency increases by 2.43%

and the equivalent fuel consumption decreases by 4.23%; NO

emission increases while CO

HC and soot emissions decrease. Especially

under high load condition

CO and soot emissions

关键词

Keywords

references

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