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首页> 外文期刊>Fuel >The impact of fuel injection pressure on the exhaust emissions of a direct injection diesel engine fueled with biodiesel-diesel fuel blends
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The impact of fuel injection pressure on the exhaust emissions of a direct injection diesel engine fueled with biodiesel-diesel fuel blends

机译：燃油喷射压力对以生物柴油-柴油混合燃料为燃料的直喷式柴油机废气排放的影响

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摘要

In this study, the effects of fuel injection pressure on the exhaust emissions and brake specific fuel consumption (BSFC) of a direct injection (DI) diesel engine have been discussed. The engine was fueled with biodiesel-diesel blends when running the engine at four different fuel injection pressures (18,20,22, and 24 MPa) and four different engine loads in terms of mean effective pressure (12.5, 25, 37.5, and 50 kPa). The results confirmed that the BSFC, carbon dioxide (CO_2), nitrogen oxides (NO_x) and oxygen (O_2) emission increased, smoke opacity, unburned hydrocarbon (UHC) and carbon monoxide (CO) emissions decreased due to the fuel properties and combustion characteristics of biodiesel. On the other hand, the increased injection pressure caused to decrease in BSFC of high percentage biodiesel-diesel blends (such as B20, B50, and B100), smoke opacity, the emissions of CO, UHC and increased the emissions of CO_2, O_2 and NO_x. The increased or decreased injection pressure caused to increase in BSFC values compared to original (ORG) injection pressure for diesel fuel and low percentage biodiesel-diesel blends (B5).
机译：在这项研究中，讨论了燃油喷射压力对直喷（DI）柴油机的废气排放和制动比燃油消耗（BSFC）的影响。在四种不同的燃油喷射压力（18、20、22和24 MPa）和四种不同的平均有效压力（12.5、25、37.5和50）的发动机负荷下运转发动机时，用生物柴油-柴油混合物为发动机加油kPa）。结果证实，由于燃料特性和燃烧特性，BSFC，二氧化碳（CO_2），氮氧化物（NO_x）和氧（O_2）排放增加，烟气不透明度，未燃碳氢化合物（UHC）和一氧化碳（CO）排放降低生物柴油。另一方面，增加的喷射压力导致高百分比生物柴油-柴油混合物（例如B20，B50和B100）的BSFC降低，烟气不透明，CO，UHC的排放以及CO_2，O_2和CO的排放增加。 NO_x。与原始（ORG）柴油燃料和低百分比的生物柴油-柴油混合物（B5）的喷射压力相比，喷射压力的增加或减小导致BSFC值增加。

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  • 来源
    《Fuel》 |2012年第2012期|p.486-494|共9页
  • 作者

    Metin Gumus; Cenk Sayin; Mustafa Canakci;

  • 作者单位

    Department of Mechanical Engineering, Faculty of Technology, Marmara University, 34722 Istanbul, Turkey;

    Department of Mechanical Engineering, Faculty of Technology, Marmara University, 34722 Istanbul, Turkey;

    Department of Automotive Engineering, Faculty of Technology, Kocaeli University, 41380 Izmit, Turkey,Alternative Fuels R&D Center, Kocaeli University, 41275 Izmit, 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

    biodiesel; injection pressure; direct injection diesel engine; exhaust emissions;

    机译：生物柴油注射压力直喷柴油发动机;尾气排放;

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