Impinging jets and droplet dynamics

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August undefined, 2024

WitrynaRecent experiments by Hooshanginejad et al. (J. Fluid Mech., vol. 901, 2024) revealed that a millimetric partially wetting water droplet under an impinging jet can oscillate in place, split or depin away from the jet, depending on the … Witryna1 cze 2024 · Typical outcomes of an impinging droplet on a solid surface a Deposition indicates that the droplet deforms and stays attached to the surface. b Prompt splash is characterised by the generation of ...

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Witryna24 cze 2024 · The dynamic interaction of droplets with slippery surfaces is essential to various industrial applications, such as anti-icing, water-repellency or water … Witryna25 lip 2024 · one-way coupling of the e xter nal pressure from the impinging jet on the droplet, which allows us to treat the jet pr oﬁle as steady and independent of the … city hall of worcester

(PDF) Droplet dynamics under an impinging air jet - ResearchGate

Witrynathe dynamics and stability of impinging jets over a broad range of operating conditions. An improved volume-of- ... ogy, atomization, and droplet size distribution agree well with experimental Witryna1 lut 2024 · Deendarlianto et al. (2016) experimentally studied the interfacial dynamics of the liquid droplet impact onto surface temperatures decreasing from 500°C to 100°C with inclined angles varied at 15°,30°, and 45°, and found that the surface roughness significantly affects the quenching behavior. Witryna20 kwi 2006 · In a high-speed subsonic jet impinging on a flat plate, the surface pressure fluctuations have a broad spectrum due to the turbulent nature of the high … city hall of thousand oaks

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Droplet dynamics under an impinging air jet — Experts@Minnesota

Witryna30 lis 2015 · The impact of droplets on a deep pool has applications in cleaning up oil spills, spray cooling, painting, inkjet printing, and forensic analysis, relying on the changes in properties such as viscosity, interfacial tension, and density. Despite the exhaustive research on different aspects of droplet impact, it is not clear how liquid … Witryna13 lip 2024 · Existing studies have revealed that the dynamics of an impinging droplet is not only influenced by its physical properties but also affected by the surface wettability 7, 8, the substrate... did art in the middle ages have a focus pointWitrynaIn sodium-cooled fast reactors, liquid sodium leakage from piping may lead to fire accident. In the case that the liquid sodium is discharged as a liquid jet, a number of droplets are produced during liquid jet impingement on the structures; the surfaces of splashed droplets serve as a main reaction field of sodium combustion. In the present … city hall of waterbury ct

"Witryna10 lip 2016 · The objective of this study is to characterize flow parameters for two-dimensional turbulent jets impinging on a flat surface. An integral form of the momentum equation has been used to obtain a ... " - Impinging jets and droplet dynamics

Impinging jets and droplet dynamics

Experimental study of impinging jets of gelled and liquid fluids

Witryna20 wrz 2024 · An experimental study was conducted to investigate the breakup of a liquid sheet produced by oblique impingement of a liquid jet on a plane solid surface. Experiments are carried out over a wide range of jet Weber number (80–6300) and various jet impingement angles (30 deg, 45 deg, and 60 deg) are employed to study … Witryna10 lis 2024 · The chemical composition of the droplet changes as the level of salts increases and the droplet crystallizes in a solid state. ... , where it was shown that for an impinging jet, all LES models are capable of capturing small-scale dynamics, and WALE and ... One of the advantages of using numerical methods in studying jet flow …

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Witryna1 kwi 2024 · The characteristics of horizontally opposed water jets in the absence and presence of an impinging air jet are investigated visually with high speed camera and quantitatively using phase Doppler ... Witryna19 sty 2024 · Within the laboratory dynamic icing tests, the SS1 SHSs with micromountain heights of 20–30 μm performed optimally in the antiadhesion of supercooled droplets (at an impinging velocity of 3.4 …

WitrynaImpinging Jets and Droplet Dynamics. In this fluid dynamics video, results from high fidelity numerical simulations are presented, which have been carried out to study the … Witryna1 sty 2024 · Impinging-jet atomization features a series of complicated dynamics, involving jet impingement, sheet formation, initiation and propagation of aerodynamic …

WitrynaIn this fluid dynamics video, Ray-tracing data visualization technique was used to obtain realistic and detailed flow motions during impinging of two liquid jets. Different patterns of sheet and rim configurations were presented to shed light into the underlying physics, including liquid chain, closed rim, open rim, unstable rim and flapping sheet. Witryna16 kwi 2024 · The cavity depth and cavity velocity for both droplet and jet impact are rationalized by an energy scaling analysis and the Bernoulli equation. JFM classification Drops and Bubbles: Drops and Bubbles Interfacial Flows (free surface): Interfacial Flows (free surface) Wakes/Jets: Jets Type JFM Papers Information

Witryna16 lut 2024 · Published 16 February 2024. Physics, Engineering. We investigate experimentally the jet formed by the collapse of a cavity created by the impact of a drop on a pool of the same aqueous liquid. We show that jets can emerge with very different shapes and velocities, depending on the impact parameters, thus generating droplets …

WitrynaThe maximum droplet spread diameter, velocity of the rebounding jet, and the time delay between droplet impact and jet emission were characterized for Weber numbers, … did art the clown dieWitrynadroplet dynamics of liquid sheets formed by two impinging jets. A three-dimensional Volume-of-Fluid (VOF) method with adaptive mesh re nement (AMR) based on octree … city hall of winter havenWitryna14 paź 2011 · High-fidelity numerical simulations have been performed to study the formation and fragmentation of liquid sheets formed by two impinging jets using an … city hall of vernonWitrynaTo rationalise the experimental observations, we develop a two-dimensional lubrication model of the droplet that incorporates the external pressure of the impinging high … did a rush job on the houseWitryna20 kwi 2006 · In a high-speed subsonic jet impinging on a flat plate, the surface pressure fluctuations have a broad spectrum due to the turbulent nature of the high-Reynolds-number jet. However, these pressure fluctuations dramatically change their pattern into almost periodic waves, if the plate is placed close to the nozzle ( x0 / d < … city hall open gymWitryna1 paź 2014 · Comparison between hydrodynamics of multijet atomisation with 2 and 3 impinging jets. • Drop size is closely related with azimuthal location of droplets formation. • Jet dynamics has similar influence in atomisation of 2- and 3-impinging jet sprays. • Atomizer geometry is particularly influential for 3-impinging jets sprays. • did a russian platoon surrenderWitryna7 sty 2024 · The impact of a drop onto a stagnant deep liquid pool results in jet formation in the splashing regime. The perturbations in the free surface alter the impact conditions and change the splash dynamics. We present the simulations of the water drop impact onto a deep liquid pool with a moving free surface. city hall of zamboanga