Investigation of Engine Combustion and Emission Performance Fuelled with Neat PODE and PODE/Diesel Blend

doi:10.7652/xjtuxb201703006

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Investigation of Engine Combustion and Emission Performance Fuelled with Neat PODE and PODE/Diesel Blend

更新时间：2025-07-09

- Investigation of Engine Combustion and Emission Performance Fuelled with Neat PODE and PODE/Diesel Blend
- Vol. 51, Issue 3, Pages: 32-37+140(2017)
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201703006
  CLC： TK464
- Online First：10 March 2017，
  
  Published：2017
- 稿件说明：
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Investigation of Engine Combustion and Emission Performance Fuelled with Neat PODE and PODE/Diesel Blend[J]. 2017, 51(3): 32-37+140.
DOI：

Investigation of Engine Combustion and Emission Performance Fuelled with Neat PODE and PODE/Diesel Blend[J]. 2017, 51(3): 32-37+140. DOI： 10.7652/xjtuxb201703006.

摘要

为研究聚甲氧基二甲醚(PODE)及其高比例掺混柴油混合燃料对发动机燃烧与排放的影响

在一台高压油泵柱塞直径加大的云内动力2102QB柴油机上开展了柴油、PODE及30%、50%质量比掺混柴油混合燃料的燃烧与排放试验研究。发动机燃用纯PODE时排气无烟

相对于柴油

其有效热效率最高提升9.67%

并使总未燃碳氢(THC)和CO排放分别降低了50%及60%

而NO

排放增加不超过10%

因此PODE可以单独作为柴油的替代燃料。30%、50%掺混时发动机经济性略有提升

同时排气烟度及CO、THC排放均有较大幅度的改善。缸压分析燃烧过程显示

柴油中添加PODE后燃烧性能改善

滞燃期和燃烧持续期略微缩短

发动机的有效热效率提高。研究结果还表明

PODE与柴油按质量比30%掺混

可以显著降低排气烟度和有害气体排放

而不需要改变发动机的燃油供给系统。

Abstract

To investigate the combustion and emission performance of neat polyoxymethylene dimethyl ethers(PODE)and PODE/diesel blends

experiments are conducted in a modified diesel engine. It is found that compared with diesel

neat PODE leads to a smokeless operation to heightens the thermal efficiency by 9.67% under full-load conditions. NO

emission increases less than 10%

while the emissions of THC and CO are lowered by 50% and 60%

the neat PODE can thus be used alone instead of diesel in modified diesel engines. The engine running on 30% PODE/diesel and 50% PODE/diesel can obtain better thermal efficiency and lower emissions than pure diesel. Analyzing cylinder pressure

it is found tha

t adding PODE decreases ignition delay and improves combustion processes in the engine cylinder. The results also indicate that low fraction adding of PODE(30%)into diesel can be used directly in diesel engines without modification for the supply system structure.

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references

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