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Electrokinetic phenomena are a family of several different effects that occur in heterogeneous fluids, or in porous bodies filled with fluid, or in a fast flow over a flat surface. The term heterogeneous here means a fluid containing particles.
visualized induced-charge electrokinetic flow pattern around a carbon-steel sphere (diameter = 1.2 mm). Four induced vortices are shown using fluorescent particles with a diameter of 1.90 μm. The DC electric field is applied from left to right and equals 40V/cm. The dashed line represents the particle boundary.
Electrohydrodynamics (EHD), also known as electro-fluid-dynamics (EFD) or electrokinetics, is the study of the dynamics of electrically charged fluids. [1] [2] Electrohydrodynamics (EHD) is a joint domain of electrodynamics and fluid dynamics mainly focused on the fluid motion induced by electric fields.
Electrokinetic phenomena, a family of several different effects that occur in heterogeneous fluids; Zeta potential, a scientific term for electrokinetic potential; Electrokinetic remediation, a technique of using direct electrical current to remove particles from the soil; Electro-kinetic road ramp, a method of generating electricity
Electrokinetic effects are initiated by sound waves (typically P-waves) passing through a porous rock inducing relative motion of the rock matrix and fluid. Motion of the ionic fluid through the capillaries in the rock occurs with cations (or less commonly, anions) preferentially adhering to the capillary walls, so that applied pressure and ...
The electrokinetic phenomenon was observed for the first time in 1807 by Russian professors Peter Ivanovich Strakhov and Ferdinand Frederic Reuß at Moscow University, [4] who noticed that the application of a constant electric field caused clay particles dispersed in water to migrate.
A streaming current and streaming potential are two interrelated electrokinetic phenomena studied in the areas of surface chemistry and electrochemistry. They are an electric current or potential which originates when an electrolyte is driven by a pressure gradient through a channel or porous plug with charged walls. [1] [2] [3]
Thomas was interested in electronics from early childhood. His wealthy parents indulged their son's interests, buying him experimental equipment. Brown started a lifelong series of experiments with electrical phenomena and began investigating what he thought was an electro-gravity phenomenon while still in high school. [2]