impact of falling liquids with liquid surfaces
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impact of falling liquids with liquid surfaces

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Published .
Written in English


Book details:

Edition Notes

Statementby I.W. Cumming.
ID Numbers
Open LibraryOL19711039M

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p the liquid density), with the words “It remains to investigate if the sounds of falling drops cannot have the same origin as the bubble sounds.” In Franz, in a paper titled Splashes as Sources of Sound in Liquids, discussed several mechanisms of noise File Size: 1MB. Droplets at the air-liquid interface of immiscible liquids usually form partially-submerged lens shapes (e.g. water on oil). In addition to this structure, we showed that droplets released from critical heights above the target liquid can sustain the impact and at the end maintain a spherical ball-shape configuration above the surface, despite undergoing large deformation. Spherical Cited by: ensure that the drops do not splash when they impact the solid, and this topic has been an area of intense research. Currently, it is unclear how the bubble formed underneath a falling drop a ects the splash phenomena. It is known from experiments (e.g. [9]) that the behaviour of liquid drops hitting a hard surface, for. The fluid dynamic phenomena of liquid drop impact are described and reviewed. These phenomena include bouncing, spreading and splashing on solid surfaces, and bouncing, coalescence and splashing on liquid surfaces. Further, cavitation and the entrainment of gas into an impacted liquid may be observed.

Experiments were conducted to investigate the mechanisms of the liquid-jet impact on liquid and solid surfaces associated with cavitation damage and rain erosion. In this work, a liquid jet of 3 mm diameter, generated using a single impact jet apparatus, was impacted at ca. m s −1 on the surface of water and polymethyl-methacrylate (PMMA Cited by: The book examines the surfaces of bulk liquids, thin wetting films and buried liquid-liquid interfaces. It discusses experiments on simple and complex fluids, including pure water and organic liquids, liquid crystals, liquid metals, electrified liquid-liquid interfaces and interfacial monolayers of amphiphiles, nanoparticles, polymers and Brand: Cambridge University Press. The Impact of Compressible Liquids. & Field, ) developed a theory for liquid impact on surfaces. For liquid impact on a rigid target, the contact pressure, frequently referred to as the. Air entrainment during impact of droplets on In the case of droplets impacting on liquid surfaces, of particular interest is the entrapment of an air layer, which may rupture and lead to the entrainment of either a multitude of tiny bubbles (Mesler entrainment; see e.g.

In this paper an experimental and theoretical study of the deformation of a spherical liquid droplet colliding with a flat surface is presented. The theoretical model accounts for the presence of inertia, viscous, gravitation, surface tension, and wetting effects, including the phenomenon of contact‐angle hysteresis. Experiments with impingement surfaces of different wettability were Cited by: Abstract. A brief survey of several phenomena occurring when a liquid drop impacts the surface of a pool of the same liquid is presented. The review touches upon drop oscillations, liquid-liquid contact, sound emission, bubble entrapment, and vorticity by: 2.   Experimental observations concerning various outcomes during a single liquid drop impact on inclined wetted surfaces are performed using a high-speed digital camera. A 30 vol% glycerol/water solution, butanol and heptane are adopted as the fluids. At an impact angle ranging in °–°, outcomes after impact including spreading, the jet sheet and splashing Cited by: 6. Liquid is one of the four primary states of matter, with the others being solid, gas and plasma.A liquid is a a solid, the molecules in a liquid have a much greater freedom to move. The forces that bind the molecules together in a solid are only temporary in a liquid, allowing a liquid to flow while a solid remains rigid.