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Physical and chemical properties of ethanol-diesel fuel blends

机译：乙醇柴油混合燃料的理化特性

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摘要

This paper discusses the physical-chemical properties of ethanol-diesel fuel blends. The attention is focused on the properties which influence the injection and engine characteristics significantly. Main properties have been investigated experimentally. The analysis of experimentally obtained fuel properties of tested fuels and their influence on engine characteristics are presented. Physical and chemical properties of diesel fuel and ethanol-diesel fuel blends were measured according to requirements and test methods for diesel fuel (EN590, 2003). The tested fuels were neat mineral diesel fuel (D100), 5% (v/v) ethanol/diesel fuel blend (E05D95), 10% (v/v) ethanol-diesel fuel blend (E10D90) and 15% (v/v) ethanol-diesel fuel blend (E15D85). It has been proved that, for ethanol-diesel fuel blends, some additives are necessary to keep stability under low temperature conditions. Also, cold weather properties test, such as cloud point and pour point tests are negatively affected by phase separation. The rest of the properties, excepting flash point, were within diesel fuel standard specifications. Based on this study, it can be concluded that using additives to avoid phase separation and to raise flash point, blends of diesel fuel with ethanol up to 15% can be used to fuel diesel engines if engine performance tests corroborate it.
机译：本文讨论了乙醇-柴油混合燃料的物理化学性质。注意力集中在显着影响喷射和发动机特性的特性上。主要性能已通过实验研究。介绍了通过实验获得的被测燃料的燃料特性及其对发动机特性的影响的分析。根据对柴油的要求和测试方法（EN590，2003）对柴油和乙醇-柴油混合燃料的理化性质进行了测量。测试的燃料为纯矿物柴油（D100），5％（v / v）乙醇/柴油混合燃料（E05D95），10％（v / v）乙醇-柴油混合燃料（E10D90）和15％（v / v） ）乙醇-柴油混合燃料（E15D85）。已经证明，对于乙醇-柴油燃料混合物，一些添加剂对于保持低温条件下的稳定性是必需的。另外，相分离会对诸如浊点和倾点测试之类的寒冷天气特性测试产生负面影响。除闪点外，其余性能均在柴油标准规格范围内。根据这项研究，可以得出结论，如果使用了添加剂以避免相分离并提高闪点，则柴油机与乙醇的混合含量最高可达到15％（如果发动机性能测试证实了这一点）。

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  • 来源
    《Fuel》 |2011年第2期|p.795-802|共8页
  • 作者

    Eloisa Torres-Jimenez; Marta Svoljsak Jerman; Andreja Gregorc; Irenca Lisec; M. Pilar Dorado; Breda Kegl;

  • 作者单位

    Dept. of Mechanics and Mining Engineering, University ofjaen, C/Alfonso X el Sabio, 23700 Linares (Jaen), Spain;

    Petrol d.d., Ljubljana, Dunajska 50, SI-1527 Ljubljana, Slovenia;

    Petrol d.d., Ljubljana, Dunajska 50, SI-1527 Ljubljana, Slovenia;

    Petrol d.d., Ljubljana, Dunajska 50, SI-1527 Ljubljana, Slovenia;

    Dept. of Chemical Physics and Applied Thermodynamics, EPS, Ed Leonardo da Vinci, Campus de Rabanales, Universidad de Cordoba, 14071 Cordoba, Spain;

    Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia;

  • 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

    alternative fuels; alcohol; cold behavior properties; diesel engine; engine injection system;

    机译：替代燃料;醇;冷行为特性;柴油发动机;发动机喷射系统;

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