Cold-start emissions of an SI engine using ethanol-gasoline blended fuel

被引：105

作者：

Chen, Rong-Horng ^{[1
]}

Chiang, Li-Bin ^{[1
]}

Chen, Chung-Nan ^{[1
]}

Lin, Ta-Hui ^{[2
]}

机构：

[1] So Taiwan Univ, Dept Mech Engn, Taipei, Taiwan

[2] Natl Cheng Kung Univ, Dept Mech Engn, Tainan 70101, Taiwan

来源：

APPLIED THERMAL ENGINEERING | 2011年 / 31卷 / 8-9期

关键词：

Ethanol-gasoline blends; SI engine; Cold-start; CO; HC; NOx; Emissions; SPARK-IGNITION ENGINE; AIR/FUEL EQUIVALENCE RATIO; PERFORMANCE; HYDROCARBONS;

D O I：

10.1016/j.applthermaleng.2011.01.021

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The effects of ethanol-gasoline blended fuel on cold-start emissions of an SI engine were studied. During cold-start, the ECU controls fuel injection rate based on cooling water temperature and intake air temperature, which were carefully controlled during the experiment. More ethanol content in the blended fuel makes the air-fuel mixture leaner and also affects the RVP value. The engine could be started stably with ES, E10, E20, and E30. The HC and CO emissions decreased significantly with more ethanol than 20% added. However, for E40 the engine idling became unstable because the air-fuel mixture was too lean. Therefore, the ethanol content in gasoline for best cold-start emissions was determined to be at least 20 per cent but no greater than 30 per cent. (c) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1463 / 1467

页数：5

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