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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Slipping hydrodynamics of Powell-Eyring fluid in a cylindrical microchannel under electrical double layer phenomenon
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Slipping hydrodynamics of Powell-Eyring fluid in a cylindrical microchannel under electrical double layer phenomenon

机译：电双层现象下圆柱微通道中鲍鱼薄膜流体的流体动力学

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摘要

The electroosmotic flow of a Powell-Eyring fluid through a cylindrical microchannel activated by an electric field, taking the interfacial slip into account is presented. The study employs an analytical framework of homotopy perturbation method to obtain the underlying flow dynamics of Powell-Eyring fluid over interfacial scales. The rich physical interaction between the fluid rheology, interfacial slip and electrical forces uncovers alteration in the flow dynamics and shear stress profile for Powell-Eyring fluid. Different regimes of flow enhancement in the cylindrical microchannel, triggered by the combined effects of slipping dynamics and electrical double layer phenomena are established through the study. The present analytical framework is canonical with the numerical results for all the cases as considered in this study. The inferences obtained from the present analysis may improve the design of bio-MEMS and microfluidic devices applied for medical diagnostics and transportation of biofluids.
机译：呈现通过电场激活的圆柱形微通道通过电场激活的圆柱形微通道的电渗流。该研究采用同型扰动方法的分析框架，以获得鲍尔叶片流体过度界面尺度的潜在流动动态。流体流变学，界面滑动和电力之间的丰富物理相互作用在流动液体流动和剪切应力分布中揭示了鲍鱼流体的抗剪切应力分布。通过该研究建立了通过滑动动力学和电双层现象的组合效果引发的圆柱形微通道中的不同流程制度。本分析框架是在本研究中考虑的所有病例的数值结果的规范。从本分析中获得的推迟可以改善应用于医疗诊断和生物流体的医疗诊断和运输的生物MEMS和微流体装置的设计。

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