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首页> 外文期刊>International Journal of Heat and Mass Transfer >Mass transfer and reaction in methanol steam reforming reactor with fractal tree-like microchannel network
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Mass transfer and reaction in methanol steam reforming reactor with fractal tree-like microchannel network

机译：分形树状微通道网络在甲醇蒸汽重整反应器中的传质与反应

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摘要

A three-dimensional model of methanol steam reforming is developed and numerically analyzed to investigate the mass transfer and reaction in a fractal tree-like microchannel network. The effects of temperature, pressure and bifurcation angle on the reaction performance are examined and discussed. The reaction rate and "figure of merit" (FoM) in a tree-like network are evaluated and compared with corresponding serpentine channel. The results indicate that the existence of bifurcation plays an important role in the mass transfer and chemical reaction in a microreactor. The reaction rate and FoM in treelike network are more superior to serpentine channel. In addition, in a tree-like network, the reaction rates are improved by increasing operating temperature and pressure. Interestingly, the role of branching angle on chemical reaction performance is less significant in a fractal microreactor.
机译：建立了甲醇蒸汽重整的三维模型，并进行了数值分析，以研究分形树状微通道网络中的传质和反应。考察并讨论了温度，压力和分叉角对反应性能的影响。评估树状网络中的反应速率和“优值”（FoM），并将其与相应的蛇形通道进行比较。结果表明，分叉的存在在微反应器的传质和化学反应中起着重要作用。树状网络的反应速率和FoM优于蛇形通道。另外，在树状网络中，通过增加操作温度和压力来提高反应速率。有趣的是，分形微反应器中支化角对化学反应性能的作用不太重要。

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  • 来源
  • 作者

    Yongping Chen; Feng Yao; Xiangyong Huang;

  • 作者单位

    School of Hydraulic Energy and Power Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, PR China,Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, Jiangsu 210096, PR China;

    Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, Jiangsu 210096, PR China;

    School of Hydraulic Energy and Power Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, PR China;

  • 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

    Methanol steam reforming; Reactor; Fractal; Tree; MicroChannel;

    机译：甲醇蒸汽重整;反应堆;分形树;微通道;

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