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首页> 外文期刊>International journal of hydrogen energy >Effects of particle sizes on performances of the horizontally buried-pipe steam generator using waste heat in a bioethanol steam reforming hydrogen production system
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Effects of particle sizes on performances of the horizontally buried-pipe steam generator using waste heat in a bioethanol steam reforming hydrogen production system

机译：粒径对水平埋地管蒸汽发生器在生物乙醇蒸汽重整氢气生产系统中使用废热的影响

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摘要

The discrete element geometric model of the horizontally buried-pipe steam generator was set up. The effects of particle size (20 mm-80 mm) on performances of the horizontally buried-pipe steam generator using waste heat in a bioethanol steam reforming hydrogen production system was studied. When the particle size increases, the particle layer flatness decreases, the particle layer flow ununiformity increases. The volatility of the particle residence time distribution increases with the particle size increases, and the standard deviation of the particle residence time increases. When the particle size increases, the voidage of the particle system increases. So the particle thermal resistance in the steam generator increases with the particle size increases, the steam production of the generator decreases, and the system hydrogen production of decreases. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
机译：建立了水平埋地管蒸汽发生器的离散元几何模型。研究了粒度（20mm-80mm）对使用废热在生物乙醇蒸汽重整氢气生产系统中使用废热的水平掩埋管蒸汽发生器的性能的影响。当粒径增加时，颗粒层平坦度降低，颗粒层流量不均匀。颗粒容纳时间分布的挥发性随粒径的增加而增加，并且颗粒停留时间的标准偏差增加。当粒径增加时，粒子系统的空隙增加。因此蒸汽发生器中的粒子热阻随粒径增加而增加，发电机的蒸汽产生减少，并且系统氢气产生的降低。 （c）2019氢能源出版物LLC。 elsevier有限公司出版。保留所有权利。

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  • 来源
    《International journal of hydrogen energy》 |2020年第39期|20216-20222|共7页
  • 作者

    Zheng Bin; Sun Peng; Liu Yongqi; Meng Jian; Wang Youtang; Kong Xilei; Liu Hui;

  • 作者单位

    Shandong Univ Technol Sch Transportat & Vehicle Engn Zibo 255049 Peoples R China;

    Shandong Univ Technol Sch Transportat & Vehicle Engn Zibo 255049 Peoples R China;

    Shandong Univ Technol Sch Transportat & Vehicle Engn Zibo 255049 Peoples R China;

    Shandong Univ Technol Sch Transportat & Vehicle Engn Zibo 255049 Peoples R China;

    Shandong Univ Technol Sch Transportat & Vehicle Engn Zibo 255049 Peoples R China;

    Shandong Univ Technol Sch Transportat & Vehicle Engn Zibo 255049 Peoples R China;

    Shandong Univ Technol Sch Transportat & Vehicle Engn Zibo 255049 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Particle size; Horizontally buried-pipe steam generator; Bioethanol steam reformieren; Hydrogen production; Waste heat;

    机译：粒径;水平埋地管蒸汽发生器;生物乙醇蒸汽重整器;氢气生产;浪费热;

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