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Particle grouping, a new method for reducing emission of submicron particles from diesel engines

机译：颗粒分组，一种减少柴油发动机亚微米颗粒排放的新方法

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摘要

A new vehicle-exhaust concept is described which leads to a reduced risk for the health and for the environment from particulate matter (PM). The geometry of the exhaust induces particle grouping and coagulation leading to a shift in particle size distribution, which increases the massumber of the larger particles at the expense of the reduction in the amount of smaller ones. Such a shift in size distribution has implications with respect to particle capturing from diesel engines and other facilities, and with respect to lower residence time of particles which are emitted to the air. The theoretical basis and the supportive experiments are described. The results show that the concept is easy to apply and has significant implications with ramification to reduction of the concentration of submicron PM in main roads, and in work places.
机译：描述了一种新的车辆排气概念，该概念可降低颗粒物（PM）对健康和环境的危害。排气的几何形状引起颗粒分组和凝结，从而导致粒度分布发生变化，从而增加了较大颗粒的质量/数量，但以减少较小颗粒的数量为代价。尺寸分布的这种变化对于从柴油机和其他设备捕获颗粒以及降低排放到空气中的颗粒的停留时间具有影响。描述了理论基础和支持性实验。结果表明，该概念易于应用，并且对减少主要道路和工作场所中亚微米PM的浓度产生了重大影响。

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  • 来源
    《Fuel》 |2010年第9期|P.2411-2416|共6页
  • 作者

    David Katoshevski; Michal Ruzal; Tal Shakked; Eran Sher;

  • 作者单位

    Environmental Engineering Unit, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;

    Environmental Engineering Unit, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;

    Environmental Engineering Unit, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;

    Department of Mechanical Engineering, Ben-Gurion, University of the Negev, Beer-Sheva 84105, Israel;

  • 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

    particle size distribution; grouping; diesel; PM;

    机译：粒度分布;分组柴油机;下午;

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