Impact jetting by a solid sphere

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August undefined, 2024

Witryna12 sty 2024 · Thoroddsen, T. G. Etoh, K. Takehara, and Y. Takano, “ Impact jetting by a solid sphere,” J. Fluid Mech. 499, 139 ... “ Influence of an upper layer liquid on the phenomena and cavity formation associated with the entry of solid spheres into a stratified two-layer system of immiscible liquids,” Phys. Fluids 30(6), ... WitrynaConsequently, assessment of impact jetting at planetary scales has been largely based on the theories developed for such specific types of collisions. Little experimental work has been done, however, to measure both temperature and target-to-projectile mass ratio of jetting created by spherical projectiles impacting planar targets, which typify

(PDF) Apex jets from impacting drops - ResearchGate

Witryna2 lip 2012 · Previous studies have shown that the formation of a subsurface air cavity by a falling sphere is conditional upon impact speed and surface treatment. This study … Witryna7 lip 2014 · We present findings from an experimental investigation into the impact of solid cone-shaped bodies onto liquid pools. Using a variety of cone angles and liquid … gradleaders molson coors

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Witryna1 maj 2012 · We present results from an experimental study of the speed and shape of the ejecta formed when a solid sphere impacts onto a granular bed. We use high … Witryna15 maj 2024 · Impact jetting occurs during the earliest stage of impact cratering when the impactor is still making contact with the target (e.g., Birkhoff et al., 1948, Walsh et al., 1953). The jet contains the first material ejected, is highly shocked, and is ejected at speed exceeding the impact velocity. The total mass of jetted ejecta is small ... Witryna25 sty 2009 · We present the results of a combined experimental and theoretical investigation of the normal impact of hydrophobic spheres on a water surface. … chime for change とは

(PDF) Jet amplification and cavity formation induced by …

Evolution of fluid-like granular ejecta generated by sphere impact ...

Witrynasphere of radius R. While the solid sphere is an extended object, we will assume that the projectile is a point-like mass. In this case, it is clear that if the incoming projectile has an impact parameter larger than R, it will not be de ected at all, while if the impact parameter is less than R, it may su er a relatively extreme de ection. Witryna10 lis 2008 · Impact jetting by a solid sphere. Article. Jan 2004; J FLUID MECH; ... We use a novel ultra-high-speed video camera to study the initial stage of the impact of a solid sphere onto a liquid surface ... gradleaders platformWitryna7 paź 2024 · ABSTRACT. This article reports experimental insights into the physics of water entry of hydrophobic spheres. In the set of experiments, parameters such as … gradle and ovewrite set to true

"Witryna14 sie 2024 · As the sphere penetrates, the fabric is drawn inward, providing a fabric funnel through which a Worthington jet subsequently passes. We show that the presence of fabric increases the drag at entry and enables air-entraining cavities otherwise unattainable by hydrophilic spheres for the impact speeds tested. " - Impact jetting by a solid sphere

Impact jetting by a solid sphere

$Effect of packing fraction on granular jetting from solid sphere …$

WitrynaImpact jetting by a solid sphere: Authors: Thoroddsen, S.T. Etoh, T.G. Takehara, K. Takano, Y. Issue Date: 25-Jan-2004: Citation: ... We use a novel ultra-high-speed video camera to study the initial stage of the impact of a solid sphere onto a liquid surface, finding a high-speed horizontal jet which emerges immediately following the intial ... Witryna27 sty 2004 · We use a novel ultra-high-speed video camera to study the initial stage of the impact of a solid sphere onto a liquid surface, finding a high-speed horizontal jet which emerges immediately following the intial contact.

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Witrynainitial impact force is of interest as it can damage the solid. Experiments presented herein are conducted on the idealized water-entry problem of a solid sphere hitting a WitrynaAt the beginning of the last century Worthington and Cole discovered that the high-speed jets ejected after the impact of an axisymmetric solid on a liquid surface are …

Witryna7 kwi 2024 · Zeng, H. An, and C. D. Ohl, “ Wall shear stress from jetting cavitation bubbles: Influence of the stand-off distance and liquid viscosity,” J. Fluid Mech. 932, A14 (2024). https ... “ Cavitation inception by almost spherical solid particles in water,” Phys. Fluids 15, 545 ... Witryna7 mar 2024 · The position of the triple line is non-dimensionalized with an angle relative to the ball. Filled symbols represent spheres with a constant impact speed of 1.0 m/s, and empty symbols represent spheres with an constant impact speed of 1.5 m/s.

Witryna15 maj 2024 · While these estimates are based on thin plate theory, which does not accurately describe the jetting physics during impact of spherical bodies (Yang and Ahrens, 1995, Kurosawa et al., 2015), oblique impacts should produce more jetted material than head-on collisions as experimental results of the spherical impactor … Witryna2 godz. temu · After about 10 minutes in a dark room, your pupils will open up more in an attempt to let in light and after 20 minutes they will be doing their best to …

Witryna1 maj 2024 · Impacts with low-blockage ratio, where a solid sphere drops into a liquid pool, are studied experimentally by Thoroddsen et al. (2004), who focused on the relationship of the impact jetting with Reynolds number and observed differences with high-blockage cases of drop impacts on wall (Field, Lesser, Dear, 1985, Lesser, …

WitrynaWe use a novel ultra-high-speed video camera to study the initial stage of the impact of a solid sphere onto a liquid surface, finding a high-speed horizontal jet which emerges … gradleaders twcWitrynaWe show that previously deduced scalings for the normalized (primary) pinch-off location (ratio of pinch-off depth to sphere depth at pinch-off time), $H_{p}/H = 1/2$, and pinch … chime for fire tabletWitrynaWe use a novel ultra-high-speed video camera to study the initial stage of the impact of a solid sphere onto a liquid surface, finding a high-speed horizontal jet which emerges immediately following the intial contact. For Re > 2 x 10(4) the jet emerges when the horizontal contact between the sphere and the liquid is only 12% of its diameter. chime forgot emailWitrynaCold Spray Additive Manufacturing (CSAM) produces freeform parts by accelerating powder particles at supersonic speed which, impacting against a substrate material, trigger a process to consolidate the CSAM part by bonding mechanisms. The literature has presented scholars’ efforts to improve CSAM materials’ quality, … chime for change jobsWitryna28 sty 2024 · We investigate the dynamics of a drop containing a single solid particle impacting on a solid surface. The particle rebounds through the drop during impact … chime forgot email and phone numberWitryna19 lut 2008 · When a solid sphere impacts on a granular bed, a high-speed vertical jet can arise following the collapse of the cavity that is formed by the penetration of the … gradle allprojects repositoriesWitryna1 kwi 2024 · DOI: 10.1063/5.0145499 Corpus ID: 258018959; Numerical investigation on the impact pressure induced by a cavitation bubble collapsing near a solid wall @article{Zhao2024NumericalIO, title={Numerical investigation on the impact pressure induced by a cavitation bubble collapsing near a solid wall}, author={Di Zhao and … gradle apk with codebuild