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首页> 外文会议>7th Biennial Conference on Engineering Systems Design and Analysis 2004(ESDA 2004) vol.3: Design Engineering; Maintenance Engineering; Manufacturing Engineering; ... >INVERSE PROBLEMS IN NON-NEWTONIAN ELECTROKINETIC FLOWS IN MICROCHANNEL NETWORKS
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INVERSE PROBLEMS IN NON-NEWTONIAN ELECTROKINETIC FLOWS IN MICROCHANNEL NETWORKS

机译：微通道网络中非牛顿电动势的逆问题

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摘要

A model of the electrokinetic flow of a fluid with a nonlinear viscosity of the Carreau type is simulated by finite element methods in a microchannel T-junction. The simulations accelerate the fluid from rest using the model for boundary slip velocity imposed due to a Debye double layer motion proposed by Zimmerman and Maclnnes (2003). The simulations demonstrate an interval of the transient evolution of the end wall pressure profile that scales proportionally with the Reynolds number. The shape of the steady state profile is shown to be sensitive to the relaxation time scale characterizing the shear rate dependence of a Carreau fluid. Consequently, this flow regime can be taken as a paradigm viscometric flow for electrokinetic motion.
机译：通过有限元方法在微通道T型接头中模拟了具有Carreau型非线性粘度的流体的电动流动模型。使用Zimmerman和Maclnnes（2003）提出的Debye双层运动，边界滑移速度模型使用了模拟来加速流体从静止状态流动。模拟表明端壁压力曲线的瞬态演变的间隔与雷诺数成比例。示出了稳态轮廓的形状对表征Carreau流体的剪切速率依赖性的弛豫时间尺度敏感。因此，该流动方式可以作为电动运动的范式粘度流。

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