نتایج جستجو برای: liquid bridge
تعداد نتایج: 269606 فیلتر نتایج به سال:
In this work, we investigated the coalescence of liquid water marbles driven by a DC electric field. We have found that two contacting liquid marbles can be forced to coalesce when they are charged by a sufficiently high voltage. The threshold voltage leading to the electro-coalescence sensitively depends on the stabilizing particles as well as the surface tension of the aqueous phase. By evalu...
Capillary force actuators provide forces via the alteration of the capillary pressure within a conducting liquid bridge through the application of electrical potential. A dynamic model of a capillary force actuator is developed. Separate models of the fluid/flexured platen and electrodynamics are constructed and linked together via the Young–Lippmann relation. Since the bridge height is small i...
We investigate in this paper the influence of wetting films on the adhesion forces between macroscopic solid surfaces connected by a liquid bridge. We show that the capillary forces are dependent on the interactions governing the wetting layers, and that those interactions may be determined from the measurement of the capillary force in the presence of a condensable vapor. We illustrate those r...
today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...
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