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Detachment of a Single Water Drop

机译:单个水滴的拆卸

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The detachment process of a single water drop from a nozzle made of poorly wetted material is followed using high-speed video equipment. The formation and motion dynamics of various flow components are investigated. These are the drop itself; a liquid bridge (jumper), which connects the drop with the mother liquid; the primary satellite, which is formed from the jumper; and a microsatellite, which is thrown from the satellite and flies to the mother liquid. The strong influence of surface effects, under which the satellite initially moves upward and only at a certain time starts to fall along the ballistic trajectory, is established. Bounce of the microsatellite from the mother liquid, which precedes its absorption, is fixed. It is shown that a stable connection of the formation mechanism of satellites with the jumper dynamics opens the possibility of obtaining uniform-sized drops
机译:使用高速视频设备跟踪从润湿性差的材料制成的喷嘴中去除单个水滴的过程。研究了各种流动分量的形成和运动动力学。这些本身就是下落。液桥(跳线),将液滴与母液连接起来;由跳线形成的主要卫星;还有一个微型卫星,它是从卫星抛出并飞向母液的。建立了表面效应的强烈影响,在这种影响下,卫星最初向上移动,仅在特定时间开始沿弹道下落。固定之前,来自母液的微卫星反弹是固定的。结果表明,卫星的形成机制与跳线动力学的稳定联系为获得均匀大小的液滴提供了可能性。

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