首页> 外文会议>Proceedings of the 2009 spring technical conference of the ASME Internal Combustion Engine Division >AN EXPERIMENTAL AND SIMULATION STUDY OF INCREASES IN FUEL CONSUMPTION AND NO_x EMISSIONS IN A BIOFUELED DIESEL ENGINE
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AN EXPERIMENTAL AND SIMULATION STUDY OF INCREASES IN FUEL CONSUMPTION AND NO_x EMISSIONS IN A BIOFUELED DIESEL ENGINE

机译:双燃料柴油机燃油消耗和NO_x排放增加的实验和模拟研究

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摘要

Alternative fuel vehicles are gaining importance as a means of reducing petroleum dependence. One attractive option is biodiesel, a renewable diesel fuel produced from plant or animal fats, since it significantly reduces carbon monoxide, un-burned hydrocarbon, and paniculate matter emissions as well as carbon dioxide when considered on a full life cycle basis. However, biodiesel combustion also typically results in increased fuel consumption and nitrogen oxide (NO_X) emissions relative to petroleum diesel. In order to determine the cause of and develop mitigation strategies for increased biodiesel fuel consumption and NO_X emissions, an accurate simulation model was developed and validated. Key fuel properties as well as ignition delay characteristics were implemented in a previously validated whole engine model to reflect soy-biodiesel fuel. The model predictions were within 5% of experimental results for most values at the three operating points. Using this biodiesel model, the "biodiesel NO_X effect" was linked to the near stoichiometric equivalence ratios for biodiesel.
机译:作为减少对石油的依赖的手段,代用燃料汽车正变得越来越重要。一种有吸引力的选择是生物柴油,这是一种由植物或动物脂肪生产的可再生柴油燃料,因为从整个生命周期的角度考虑,它可以显着减少一氧化碳,未燃烧的碳氢化合物,颗粒物的排放以及二氧化碳。但是,相对于石油柴油,生物柴油燃烧通常还会导致燃料消耗增加和氮氧化物(NO_X)排放增加。为了确定增加生物柴油燃料消耗和NO_X排放的原因并制定缓解策略,开发并验证了准确的仿真模型。在先前验证的整个发动机模型中实现了关键燃料特性以及点火延迟特性,以反映大豆生物柴油燃料。对于三个工作点的大多数值,模型预测值均在实验结果的5%以内。使用这种生物柴油模型,“生物柴油NO_X效应”与生物柴油的接近化学计量当量比相关。

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  • 来源
  • 会议地点 Milwaukee WI(US);Milwaukee WI(US)
  • 作者单位

    Energy Center, Herrick Labs, School of Mechanical Engineering, Purdue University, W. Lafayette, IN;

    rnEnergy Center, Herrick Labs, School of Mechanical Engineering, Purdue University, W. Lafayette, IN;

    rnEnergy Center, Herrick Labs, School of Mechanical Engineering, Purdue University, W. Lafayette, IN;

    rnEnergy Center, Herrick Labs, School of Mechanical Engineering, Purdue University, W. Lafayette, IN;

    rnEnergy Center, Herrick Labs, School of Mechanical Engineering, Purdue University, W. Lafayette, IN;

    rnEnergy Center, Herrick Labs, School of Mechanical Engineering, Purdue University, W. Lafayette, IN;

    rnCummins Inc., Columbus, IN;

    rnEnergy Center, Herrick Labs, School of Mechanical Engineering, Purdue University, W. Lafayette, IN;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 内燃机;
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