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首页> 外文会议>IEEE Regional Symposium on Micro and Nano Electronics >Modelling of microfluidics network using electric circuits
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Modelling of microfluidics network using electric circuits

机译：使用电路对微流体网络进行建模

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This paper presents microfluidic network analysis using electric circuit methods by modifying the length of the channel segments that represent hydraulic resistance. It is crucial to precisely predicts flow and pressure in the channel by an accurate estimation of the hydraulic resistance of each segment, as microfluidics network become more complex and challenging. Furthermore, manipulation of channel length and size can be applied to design concentration gradient that based on repeated splitting, mixing and recombination fluid flow process, thereby producing a desired concentration profile. By using Hagen-Poiseuille's law-Ohm's law analogy, a batch of simulation 3D-microfluidic geometries was done using FLUENT while PSpice was used to validate the correlations of flow rate to current and hydraulic resistance to electrical resistance. This is done by characterizing hydraulic resistance of microchannels with different length to make-controlled volumetric mixing ratios at each branch. Different velocity magnitude contours and pressure profiles obtained from the channel length combinations agree well this analogy.
机译：通过修改代表液压阻力的通道段的长度，本文介绍了使用电路方法进行的微流体网络分析。随着微流体网络变得越来越复杂和具有挑战性，通过准确估计每个节段的水力阻力来精确预测通道中的流量和压力至关重要。此外，可以对通道长度和大小进行控制，以设计浓度梯度，该浓度梯度基于重复的分流，混合和重组流体流动过程，从而产生所需的浓度曲线。通过使用Hagen-Poiseuille定律-Ohm定律进行类比，使用FLUENT进行了一批模拟3D-微流体几何形状，而使用PSpice验证了流量与电流以及水力与电阻的相关性。这是通过表征不同长度的微通道的水力阻力来实现的，以控制每个分支的体积混合比。从通道长度组合获得的不同速度幅值轮廓和压力曲线很好地符合了这个类比。

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