Electroosmosis effect in thin channels

This work is devoted to the development of a theoretical calculation method for studying the electrokinetic phenomena arising on the solid surface - electrolyte interface in the continuous medium model approach. The main characteristic structure element arising on such interface is the double electric layer (DEL). In a system with this structure, the average mass movement of the liquid may occur. This is due to the additional movement of the electrolyte in the DEL (as a result of the presence of an external electric field, and as a result of heterogeneous physical and chemical properties of a surface), which, in turn, through friction forces, leads to the specified flow outside the DEL. The study of such phenomena is important in methods of geophysical studies interpretation in wells, determination of electric properties of core materials, and also in various chemical technologies. The electroosmosis effect associated with the adsorption of electrolyte ions on a solid surface both in the absence and in the presence of an external electric field is demonstrated.

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