Matches in SemOpenAlex for { <https://semopenalex.org/work/W2034281037> ?p ?o ?g. }
- W2034281037 abstract "Numerical computations and order-of-magnitude estimates are used to describe the time evolution of a drop of a very viscous liquid of finite electrical conductivity attached to a metallic plate which is suddenly subject to a uniform electric field. Under the action of the electric stresses induced at its surface, the drop elongates in the direction of the field, and charged droplets are emitted when the strength of the field is higher than a certain critical value. A stationary emission mode exists in which the attached drop develops a conical tip and a thin jet, with small droplets emitted from the end of the jet in a process that involves the formation of a long ligament. The flow rate and the electric current carried by the stream of droplets emitted in this mode are determined by the flow and the transfer of charge in the attached drop, in particular in a small region around its tip and in a leading stretch of the jet, where the solution is nearly stationary despite the transient character of the jet further downstream. A simplified analysis of the stationary regions is carried out to elucidate the effects of the physical properties of the liquid (electrical conductivity, permittivity, viscosity, and surface tension), the volume of the drop, and the strength of the applied field. For high electrical conductivities and applied fields well above its critical value, the electrical and viscous stresses are large compared to surface tension stresses, and their balance gives a flow rate proportional to the square of the applied field. The electric current is then that of a stationary electrified jet fed with this flow rate." @default.
- W2034281037 created "2016-06-24" @default.
- W2034281037 creator A5037225389 @default.
- W2034281037 date "2008-07-23" @default.
- W2034281037 modified "2023-09-25" @default.
- W2034281037 title "Breakup of a supported drop of a viscous conducting liquid in a uniform electric field" @default.
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- W2034281037 doi "https://doi.org/10.1103/physreve.78.016314" @default.
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