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Electroosmotic Flow in Capillary Tubes
Russian Physics Journal ( IF 0.4 ) Pub Date : 2020-05-25 , DOI: 10.1007/s11182-020-02009-3
A. Yu. Dem’yanov , O. Yu. Dinariev , E. L. Sharaborin

The paper proposes a computation and theoretical methodology for studying electrokinetic phenomena at the solid-electrolyte interface in terms of the continuum model. The main structure which appears at the solid-electrolyte interface is the double layer. In the system with such a structure, fluid motion can occur. This is because the additional motion of electrolyte in the double layer due to both external electric field and diverse physicochemical properties of the surface. In turn, via the friction forces, the electrolyte additional motion leads to the fluid motion beyond the double layer. A study of these phenomena is important for the development of interpretation techniques of well-logging operations, identification of electric properties of cores, and various chemical techniques. It is shown that the electroosmotic flow is associated with the electrolyte ion adsorption on a solid surface, both in the absence and presence of the external electric field.

中文翻译:

毛细管中的电渗流

本文提出了一种根据连续介质模型研究固体-电解质界面处电动现象的计算和理论方法。出现在固体电解质界面的主要结构是双层。在具有这种结构的系统中,可以发生流体运动。这是因为由于外部电场和表面不同的物理化学性质,双电层中电解质的额外运动。反过来,通过摩擦力,电解质的额外运动导致流体运动超出双层。对这些现象的研究对于开发测井作业解释技术、确定岩心电特性和各种化学技术具有重要意义。
更新日期:2020-05-25
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