Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE blends

被引：17

作者：

Zhang N. ^{[1
]}

Huang Z. ^{[1
]}

Wang X. ^{[1
]}

Zheng B. ^{[1
]}

机构：

[1] State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University

来源：

Frontiers in Energy | 2011年 / 5卷 / 1期

基金：

中国国家自然科学基金;

关键词：

Combustion; diesel engine; dieselbiodiesel-DEE blend; particulate emissions;

D O I：

10.1007/s11708-011-0138-x

中图分类号：

学科分类号：

摘要：

The combustion and emission characteristics of a turbo-charged, common rail diesel engine fuelled with diesel-biodiesel-DEE blends were investigated. The study reports that the brake-specific fuel consumption of dieselbiodiesel-DEE blends increases with increase of oxygenated fuel fractions in the blends. Brake thermal efficiency shows little variation when operating on different dieselbiodiesel-DEE blends. At a low load, the NOx emission of the diesel-biodiesel-DEE blends exhibits little variation in comparison with the biodiesel fraction. The NOx emission slightly increases with increase in the biodiesel fraction in diesel-biodiesel-DEE blends at medium load. However, the NOx emission increases remarkably with increase of the biodiesel fraction at high load. Particle mass concentration decreases significantly with increase of the oxygenated-fuels fraction at all engine speeds and loads; particle number concentration decreases remarkably with increase of the oxygenated-fuels fraction. HC and CO emissions decrease with increasing oxygenated-fuels fraction in these blends. © 2011 Higher Education Press and Springer-Verlag Berlin Heidelberg.

引用

页码：104 / 114

页数：10

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