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The influence of n-butanol/diesel fuel blends utilization on a small diesel engine performance and emissions

机译:正丁醇/柴油混合燃料利用率对小型柴油机性能和排放的影响

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摘要

Nitrogen oxides and smoke emissions are the most significant emissions for the diesel engines. Especially, fuels containing high-level oxygen content can have potential to reduce smoke emissions significantly. The aim of the present study is to evaluate the influence of n-butanol/diesel fuel blends (as an oxygen- ation additive for the diesel fuel) on engine performance and exhaust emissions in a small diesel engine. For this aim five-test fuels, B5 (contains 5% n-butanol and 95% diesel fuel in volume basis), B10, B15, B20 and neat diesel fuel, were prepared to test in a diesel engine. Tests were performed in a single cylinder, four stroke, unmodified, and naturally aspirated Dl high speed diesel engine at constant engine speed (2600 rpm) and four different engine loads by using five-test fuels. The experimental test results showed that smoke opacity, nitrogen oxides, and carbon monoxide emissions reduced while hydrocarbon emissions increased with the increasing n-butanol content in the fuel blends. In addition, there is an increase in the brake specific fuel consumption and in the brake thermal efficiency with increasing n-butanol content in fuel blends. Also, exhaust gas temperature decreased with increasing n-butanol content in the fuel blends.
机译:氮氧化物和烟尘排放是柴油发动机最主要的排放物。特别是,含氧量高的燃料有潜力显着减少烟气排放。本研究的目的是评估正丁醇/柴油混合燃料(作为柴油的氧化添加剂)对小型柴油发动机的性能和废气排放的影响。为此,准备了五种测试燃料B5(按体积计包含5%的正丁醇和95%的柴油),B10,B15,B20和纯柴油,以在柴油机中进行测试。通过使用五项试验燃料,以恒定的发动机转速(2600 rpm)和四种不同的发动机负荷在单缸,四冲程,未修改,自然吸气Dl高速柴油发动机中进行了测试。实验测试结果表明,随着燃料混合物中正丁醇含量的增加,烟雾的不透明度,氮氧化物和一氧化碳的排放量减少,而碳氢化合物的排放量增加。另外,随着燃料混合物中正丁醇含量的增加,制动比燃料消耗和制动热效率也增加。而且,随着燃料混合物中正丁醇含量的增加,废气温度降低。

著录项

  • 来源
    《Fuel》 |2011年第7期|p.2467-2472|共6页
  • 作者

    Oguzhan Dogan;

  • 作者单位

    Karabuk University, Faculty of Technology, 78050 Karabuk, Turkey;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    small diesel engine; n-butanol; diesel fuel; performance; emission;

    机译:小型柴油机;正丁醇柴油染料;性能;发射;

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