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首页> 外文会议>8th China international nanoscience and technology symposium >Thermoelectric Effect on Electroosmotic Flow in MicroChannel
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Thermoelectric Effect on Electroosmotic Flow in MicroChannel

机译：热电对微通道电渗流的影响

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摘要

The present work reports the thermoelectric effect on electroosmotic flow (EOF) in microchannel. The thermoelectric (TE) effect on EOF was analyzed and the switch process of fluids controlled by TE unit was numerically simulated. The mathematical model was established that is composed with electrokinetics fluid, liquid-solid phase transition, and heat transfer. The microfluidic chip with the integrated TE unit was fabricated that includes the microchannel layer, heat conducting layer and refrigerating layer. As the transition from the liquid phases to the solid phase can significantly decrease electrical conductivity of electrolyte, the electrical current is available to make sure the status of phase transition. From the results, the controlling integrated TE unit is effective to close/open the Eof in microchannel. The freezing phenomena were described by results from numerical simulation and experiment.
机译：本工作报告了微通道中电渗流（EOF）的热电效应。分析了热电（TE）对EOF的影响，并对由TE单元控制的流体的转换过程进行了数值模拟。建立了由电动流体，液固相变和传热组成的数学模型。制备了具有集成的TE单元的微流体芯片，其包括微通道层，导热层和制冷层。由于从液相到固相的转变会显着降低电解质的电导率，因此电流可用于确保相转变的状态。从结果来看，控制集成TE单元可以有效地关闭/打开微通道中的Eof。通过数值模拟和实验结果描述了冻结现象。

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  • 来源
  • 会议地点 Xiangtan(CN);Xiangtan(CN)
  • 作者

    Zheng Xu; Xiao-yu Yu; Li-qun Du; Lun-lei Yang; Chong Liu; Li-ding Wang;

  • 作者单位

    Key Laboratory for Micro/Nano Technology and System of Liaoning Province,Dalian University of Technology,116024 Dalian,Liaoning,China;

    Key Laboratory for Micro/Nano Technology and System of Liaoning Province,Dalian University of Technology,116024 Dalian,Liaoning,China;

    Key Laboratory for Micro/Nano Technology and System of Liaoning Province,Dalian University of Technology,116024 Dalian,Liaoning,China;

    Key Laboratory for Micro/Nano Technology and System of Liaoning Province,Dalian University of Technology,116024 Dalian,Liaoning,China;

    Key Laboratory for Micro/Nano Technology and System of Liaoning Province,Dalian University of Technology,116024 Dalian,Liaoning,China;

    Key Laboratory for Micro/Nano Technology and System of Liaoning Province,Dalian University of Technology,116024 Dalian,Liaoning,Ch;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
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