欢迎访问《汽车安全与节能学报》，
汽车安全与节能学报

汽车安全与节能学报 ›› 2015, Vol. 6 ›› Issue (02): 191-197.DOI: 10.3969/j.issn.1674-8484.2015.02.013

• 汽车节能与环保 • 上一篇    

聚甲氧基二甲醚与柴油混合燃料的燃烧与排放特性

王 志，刘浩业，张 俊，王建昕，帅石金   

  1. 清华大学 汽车安全与节能国家重点实验室，北京 100084，中国
  • 收稿日期:2015-04-13 出版日期:2015-06-25 发布日期:2015-07-08
  • 作者简介:第一作者 / First author ： 王志（1972—），男（汉），湖北，副研究员。E-mail ：wangzhi@tsinghua.edu.cn 第二作者 /Second author ： 刘浩业，博士研究生。E-mail ：liuhaoyebeijing@126.com
  • 基金资助:

    国家“九七三”重点基础研究发展计划资助项目(2013CB228404)

Combustion and emission characteristics of diesel engines fuelled by polyoxymethylene dimethyl ethers (PODEn)

WANG Zhi, LIU Haoye, ZHANG Jun, WANG Jianxin, SHUAI Shijin   

  1. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
  • Received:2015-04-13 Online:2015-06-25 Published:2015-07-08

PDF

1181

摘要：

聚甲氧基二甲醚（PODEn）是一种高含氧、高十六烷值的新型燃料。为了降低柴油机的颗粒物
排放，该文在一台轻型柴油机和一台重型柴油机上对柴油和10%、20% PODE3-4/ 柴油混合燃料进行了
燃烧、排放和热效率的测试。结果表明：添加20% 的PODE3-4，轻型柴油机大负荷工况下的碳烟排放
下降90%，指示热效率能够提高2% ；重型柴油机欧洲稳态循环（ESC）的颗粒物（PM）排放下降36.2%，
有效热效率上升0.8%。添加PODE3-4，在指示平均有效压力（IMEP）为0.2~0.6 MPa 时，对放热率曲线
影响不大；在IMEP 为0.8 MPa 时，使主喷放热的滞燃期延长，主喷放热峰值增加。因此，PODEn 是
很有前景的柴油添加成分。

关键词: 柴油机, 聚甲氧基二甲醚（PODEn）, 燃烧, 排放, 热效率

Abstract:

How to use the Polyoxymethylene Dimethyl Ethers (PODEn) was investigated, which is a new fuel
having high oxygen contents and high cetane number, to reduce particulate matter (PM) from diesel engines.
The combustion, the emission characteristics, and the thermal efficiency were tested for a diesel, a fuel with
10% PODE3-4/diesel blend, and a fuel with 20% PODE3-4/diesel blend both in a light-duty (LD) single cylinder
diesel engine and in a six-cylinder heavy-duty (HD) production diesel engine. The results show that by adding
20% PODE3-4, soot emissions decreases by 90% for the LD diesel engine, the thermal efficiency increases by
2% at high load; PM emissions decreases by 36.2% for the HD engine in European Stationary Cycle (ESC), the
average thermal efficiency increases by 0.85% in ESC. At 0.2-0.6 MPa Indicated Mean Effective Pressure (IMEP),
adding PODE3-4 has no significant effects on heat release curves; at 0.8 MPa IMEP, adding PODE3-4 increases
ignition delay and increases the main heat release peak. Therefore, PODEn is a promising blending component
of diesel fuel.

Key words: diesel engine, polyoxymethylene dimethyl ethers (PODEn), combustion, emissions, efficiency