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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.
In general, the phenomena relate to the direct conversion of electrical energy into kinetic energy, and vice versa. In the first instance, shaped electrostatic fields (ESF's) create hydrostatic pressure (HSP, or motion) in dielectric media. When such media are fluids, a flow is produced. If the dielectric is a vacuum or a solid, no flow is ...
Electrokinetics or electrokinetic may refer to: Electrohydrodynamics, the study of the dynamics of electrically charged fluids; Electrokinetic phenomena, a family of several different effects that occur in heterogeneous fluids; Zeta potential, a scientific term for electrokinetic potential
[3] [4] [5] [11] There is an IUPAC Technical Report [12] prepared by a group of world experts on the electrokinetic phenomena. From the instrumental viewpoint, there are three different experimental techniques: microelectrophoresis , electrophoretic light scattering , and tunable resistive pulse sensing .
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.
[21] [22] There is also a recent IUPAC technical report [23] on the subject of interfacial double layer and related electrokinetic phenomena. detailed illustration of interfacial DL. As stated by Lyklema, "...the reason for the formation of a "relaxed" ("equilibrium") double layer is the non-electric affinity of charge-determining ions for a ...
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In his 1960 patent titled "Electrokinetic Apparatus," Brown refers to electrokinesis to describe the Biefeld–Brown effect, linking the phenomenon to the field of electrohydrodynamics (EHD). [ 1 ] [ 3 ] Brown also believed the Biefeld–Brown effect could produce an anti-gravity force, referred to as " electrogravitics " based on it being an ...