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Lab-on-chip methodologies for the study of transport in porous media: energy applications

机译:用于研究多孔介质中运输的芯片实验室方法:能源应用

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摘要

We present a lab-on-chip approach to the study of multiphase transport in porous media. The applicability of microfluidics to biological and chemical analysis has motivated much development in lab-on-chip methodologies. Several of these methodologies are also well suited to the study of transport in porous media. We demonstrate the application of rapid prototyping of microfluidic networks with similar to 5000 channels, controllable wettability, and fluorescence-based analysis to the study of multiphase transport phenomena in porous media. The method is applied to measure the influence of wettability relative to network regularity, and to differentiate initial percolation patterns from active flow paths. Transport phenomena in porous media are of critical importance to many fields and particularly in many energy-related applications including liquid water transport in fuel cells, oil recovery, and CO2 sequestration.
机译:我们提出了一种芯片实验室方法来研究多孔介质中的多相传输。微流体在生物和化学分析中的适用性推动了芯片实验室方法的发展。这些方法中的几种也非常适合研究多孔介质中的传输。我们演示了具有近5000个通道的微流控网络快速原型制作,可控制的润湿性和基于荧光的分析在多孔介质中多相传输现象研究中的应用。该方法适用于测量相对于网络规则性的润湿性的影响,并区分初始渗流模式与有效流动路径。多孔介质中的传输现象对于许多领域都至关重要,尤其是在许多与能源相关的应用中,包括燃料电池中的液态水传输,采油和二氧化碳封存。

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