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首页> 外文期刊>Energy >Influence of properties of various common bio-fuels on the combustion and emission characteristics of high-speed DI (direct injection) diesel engine: Vegetable oil, bio-diesel, ethanol, n-butanol,diethyl ether
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Influence of properties of various common bio-fuels on the combustion and emission characteristics of high-speed DI (direct injection) diesel engine: Vegetable oil, bio-diesel, ethanol, n-butanol,diethyl ether

机译：各种常见生物燃料的特性对高速DI（直喷）柴油机燃烧和排放特性的影响：植物油，生物柴油，乙醇，正丁醇，乙醚

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摘要

This work evaluates the influence of properties of various common bio-fuels on the combustion, performance and exhaust emissions of an experimental, single-cylinder, four-stroke, high-speed, DI (direct injection) 'Hydra' diesel engine operated at three different loads. Various blends of diesel fuel with either vegetable oil of cottonseed or its derived (methyl ester) bio-diesel, or ethanol, or n-butanol, or diethyl ether were investigated. Fuel consumption, exhaust gas temperature, and exhaust smoke, NO_x (nitrogen oxides), CO (carbon monoxide) and total unburned HC (hydrocarbons) were measured. The differences in combustion, performance and exhaust emissions of those bio-fuels blends from the baseline operation of the diesel engine (with neat diesel fuel) and among themselves are compared. Fuel injection, combustion chamber pressure, and HRR (heat release rate) diagrams reveal interesting features of the combustion mechanisms. These results and the different physical and chemical properties of those bio-fuels are used to aid the interpretation of the observed engine behavior. With increasing percentage of all bio-fuels in the blends, significant reduction of smoke opacity is observed with the exception of the vegetable oil case, reduction of NO_x, and mixed behavior for the CO and HC emissions against the corresponding neat diesel fuel case.
机译：这项工作评估了各种常见生物燃料的特性对三缸运行的实验性单缸，四冲程，高速，DI（直喷）“ Hydra”柴油发动机的燃烧，性能和废气排放的影响。不同的负载。研究了柴油与棉籽植物油或其衍生的（甲酯）生物柴油或乙醇，正丁醇或乙醚的各种混合物。测量了燃料消耗，废气温度和废气，NO_x（氮氧化物），CO（一氧化碳）和总未燃烧的HC（碳氢化合物）。比较了柴油发动机（使用纯柴油）的基准运行过程中以及它们之间的这些生物燃料混合物的燃烧，性能和废气排放之间的差异。燃料喷射，燃烧室压力和HRR（放热率）图揭示了燃烧机理的有趣特征。这些结果以及这些生物燃料的不同物理和化学特性可用于帮助解释观察到的发动机性能。随着混合物中所有生物燃料百分比的增加，除植物油情况，NO_x减少以及相对于纯柴油情况下CO和HC排放的混合行为外，观察到烟的不透明度显着降低。

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  • 来源
    《Energy》 |2014年第14期|354-366|共13页
  • 作者

    Dimitrios C. Rakopoulos; Constantine D. Rakopoulos; Evangelos G. Giakoumis; Roussos G. Papagiannakis; Dimitrios C. Kyritsis;

  • 作者单位

    Internal Combustion Engines Laboratory, Department of Thermal Engineering, School of Mechanical Engineering, National Technical University of Athens,Zografou Campus, 9 Heroon Polytechniou Street, 15780 Athens, Greece;

    Internal Combustion Engines Laboratory, Department of Thermal Engineering, School of Mechanical Engineering, National Technical University of Athens,Zografou Campus, 9 Heroon Polytechniou Street, 15780 Athens, Greece;

    Internal Combustion Engines Laboratory, Department of Thermal Engineering, School of Mechanical Engineering, National Technical University of Athens,Zografou Campus, 9 Heroon Polytechniou Street, 15780 Athens, Greece;

    Thermodynamic & Propulsion Systems Section, Aeronautical Sciences Department, Hellenic Air Force Academy, Dekelia Air Force Base, 1010 Dekelia, Attiki,Greece;

    University of Illinois at Urbana Champaign, Department of Mechanical Science and Engineering, 1206 West Green Street, Urbana, IL 61801, USA,Khalifa University of Science, Technology and Research, Mechanical Engineering Department, Al Saada Street, Abu Dhabi 127788, United Arab Emirates;

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  • 正文语种 eng
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  • 关键词

    High-speed DI (direct injection) diesel; Combustion and emissions; Vegetable oil and bio-diesel; Ethanol; n-Butanol; Diethyl ether;

    机译：高速DI（直接喷射）柴油;燃烧和排放;植物油和生物柴油;乙醇;正丁醇;乙醚;

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