Effect of Spray and EGR Rate on the Combustion and Emission Characteristics of Biodiesel Fuel in a Compression Ignition Engine
Effect of Spray and EGR Rate on the Combustion and Emission Characteristics of Biodiesel Fuel in a Compression Ignition Engine
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DOI：
10.1021/ef800949a
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发表时间：
2009-02
期刊：
影响因子：
5.3
通讯作者：
S. Yoon;H. Suh;C. Lee
中科院分区：
文献类型：
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作者：
S. Yoon;H. Suh;C. Lee
在直喷式共轨柴油机上进行了燃用未稀释生物柴油（100%大豆油甲酯）对喷雾、燃烧和排放特性影响的试验研究。采用喷射速率仪、喷雾可视化系统和液滴测量系统对试验燃料的喷射质量、喷射速率、液滴直径和喷嘴贯穿度等宏观和微观喷射特性进行了测量。对生物柴油在不同发动机工况下的燃烧和排放特性进行了研究，并与超低硫柴油（ULSD）进行了对比。在这项工作中，测试燃料的喷射特性，如喷射速率和质量结果是非常相似的柴油和生物柴油燃料来自大豆油。然而，当比较喷射开始时，生物柴油导致短的喷射延迟。苏.
An experimental investigation was performed to analyze the effects of undiluted biodiesel fuel (100% methyl ester of soybean oil) on spray, combustion, and exhaust emissions characteristics in a direct injection (DI) common-rail diesel engine with a cooled-EGR system. The macroscopic and microscopic injection characteristics for test fuels such as injection mass, injection rate, droplet diameter, and spray tip penetration were measured by using an injection rate meter, a spray visualization system, and a droplet measuring system. The study of combustion and exhaust emission characteristics was carried out under various engine operating conditions for biodiesel fuel, and the results were compared to those of ultra low sulfur diesel (ULSD). In this work, the injection characteristics of test fuels such as injection rate and mass results are very similar for diesel and biodiesel fuel derived from soybean oil. However, when comparing the start of injection, biodiesel resulted in short injection delay. The Sau...