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首页> 外文期刊>Fuel >Effect of EGR on emissions of a modified DI compression ignition engine energized with nanoemulsive blends of grapeseed biodiesel
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Effect of EGR on emissions of a modified DI compression ignition engine energized with nanoemulsive blends of grapeseed biodiesel

机译：EGR对改进的DI压缩点火发动机排放的影响，覆盖生物柴油纳米浆液混合物通电

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摘要

This research work investigates the effect of Exhaust Gas Recirculation (EGR) in a CI engine fueled with Grapeseed oil biodiesel derived from winery biomass waste. As the brake thermal efficiency of any biodiesel are generally lesser compared to diesel, fuel modification and design changes in combustion chamber geometry are made to improve the thermal efficiency. The above strategy not only decrease fuel consumption, but also reduces the engine emissions like HC, CO and NO. To further reduce NO emission that is formed due to high combustion pressure and temperature, EGR technique is used at four different rates, 5%, 10%, 15% and 20% and the optimum rate is decided based on NO soot tradeoff. Engine tests were conducted at various loads to study the performance of nanoemulsive grapeseed biodiesel with modified combustion chamber shape. NO emissions were noticed to increase at high loads. Nano blends of grapeseed oil biodiesel injected at 23 degrees bTDC at 5% EGR rate was found to reduce NO emissions from 8.07 g/kWh to 5.5 g/kWh with a slight compromise in smoke. UBHC and BSCO emissions were reasonably reduced at this EGR rate by 20.7% and 6.2% compared to diesel. The novel finding of this investigation is that biomass derived from winery waste could be a viable fuel for CI engines with suitable engine modifications.
机译：该研究工作研究了废气再循环（EGR）在燃料中的CI发动机中的效果，燃料源自酿酒厂废弃物。随着与柴油的制动热效率通常较小，与柴油相比，燃料改造和燃烧室几何形状的设计变化以提高热效率。以上策略不仅减少了燃料消耗，而且还减少了HC，CO和NO等发动机排放。为了进一步减少由于高燃烧压力和温度而形成的发射，EGR技术以四种不同的速率使用，5％，10％，15％和20％，基于烟灰概论确定最佳速率。在各种载荷下进行发动机测试，以研究纳米乳化葡萄质生物柴油的性能与改性燃烧室形状。没有注意到高负荷增加的排放。发现以5％EGR速率在23度BTDC下注射23摄氏度的葡萄油生物柴油的纳米融合，以减少8.07g / kWh至5.5g / kWh的排放，烟雾略有折衷。与柴油相比，UBHC和BSCO排放合理降低了20.7％和6.2％。这项调查的新颖发现是酿酒厂的生物量可能是具有合适发动机改性的CI发动机的可行燃料。

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  • 来源
    《Fuel》 |2020年第may1期|117317.1-117317.14|共14页
  • 作者

    Praveena V; Martin M. Leenus Jesu; Geo V. Edwin;

  • 作者单位

    SRM Inst Sci & Technol Dept Mech Engn Chennai Tamil Nadu India;

    SRMIST Dept Automobile Engn Green Vehicle Technol Res Ctr Chennai Tamil Nadu India;

    SRMIST Dept Automobile Engn Green Vehicle Technol Res Ctr Chennai Tamil Nadu India;

  • 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

    Grapeseed biodiesel; Nano emulsions; Combustion; Emissions;

    机译：葡萄生物柴油;纳米乳液;燃烧;排放;

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