Effects of PODE<sub>n</sub> Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine

doi:10.7652/xjtuxb202003004

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Effects of PODE_n Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine

更新时间：2025-07-09

- Effects of PODE_n Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine
- Vol. 54, Issue 3, Pages: 28-34(2020)
- 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：
- DOI：10.7652/xjtuxb202003004
  CLC： TK464
- Online First：10 March 2020，
  
  Published：2020
- 稿件说明：
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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：

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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Effects of PODEn Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine

DOI：10.7652/xjtuxb202003004

摘要

Abstract

关键词

Keywords

references

Effects of PODE_n Addition on Combustion and Emission Characteristics of a China-- Standard Diesel Engine