On the spreading of impacting drops

WebFor impacts on a no-slip surface also dissipation in the shear boundary layer at the solid surface is important. In this case the geometric head loss acts as a lower bound on the … WebLiquid drops impacting onto a solid surface present very important and fascinating phenomena, which are also of great importance in many practical processes, such as …

Morphed inception of dynamic Leidenfrost regime in colloidal …

Web14 de abr. de 2024 · Recently, using an impacting droplet has presented great potential in promoting the shedding of a sessile droplet on superhydrophobic surfaces. 13,14 13. F.-C. Wang, J.-T. Feng, and Y.-P. Zhao, “ The head-on colliding process of binary liquid droplets at low velocity: High-speed photography experiments and modeling,” J. Colloid Interface … Web20 de jun. de 2010 · The apparent dynamic contact angle of drops impacting on hydrophobic substrates is studied experimentally by high-speed imaging. Drops of pure water are compared with drops of a dilute polymer solution (200. ppm poly-ethylene oxide), to investigate the relationship between changes in the dynamic contact angle and the … how does the thematic apperception test work https://drverdery.com

Ring-bouncing induced by the head-on impact of two …

WebUkiwe, C. & Kwok, D. Y. 2005 On the maximum spreading diameter of impacting droplets on well-prepared solid surfaces. Langmuir 21 ( 31 ), 666 – 673. CrossRef Google … WebThe impact of liquid drops on a rigid surface is central in cleaning, cooling, and coating processes in both nature and industrial applications. However, it is not clear how details of pores, roughness, and texture on the solid surface influence the initial stages of the impact dynamics. Here, we experimentally study drops impacting at low velocities onto … Web12 de ago. de 2024 · Furthermore, this spreading increases the droplet’s potential energy because of the hydrophobic interaction between the droplet and the surface—much like pulling on a spring increases its potential energy. ... H. Wu et al., “Energy harvesting from drops impacting onto charged surfaces,” Phys. Rev. Lett. 125, 078301 (2024). how does the thermoregulatory centre work

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On the spreading of impacting drops

A theory on the spreading of impacting droplets Journal …

Web8 de abr. de 2024 · Despite extensive studies on kinematic features of impacting drops, the effect of mechanical stress on desiccated bacteria-laden droplets remains unexplored. In the present study, we unveiled the consequences of the impaction of bacteria-laden droplets on solid surfaces and their subsequent desiccation on the virulence of an … WebThis new view on the impact problem allows for simple analytical estimates of the maximum spreading diameter of impacting drops as a function of the impact parameters and the properties of the solid surface. It bridges the gap between previous momentum balance approaches and energy balance approaches, which hitherto did not give consistent ...

On the spreading of impacting drops

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Web23 de ago. de 2024 · Interaction between an impinging liquid drop with low momentum and a heated wall is investigated experimentally, using a high-speed digital camera with capacity of 10 $$^{6}$$ 6 frames per second. Wall temperature ranges in 47–108 $${}^{\\circ }$$ ∘ C, and Weber number varies from 4 to 67. Water is selected as the fluid due to its relatively … Web17 de fev. de 2016 · Maximum spreading of liquid drops impacting on solid surfaces textured with unidirectional parallel grooves is studied for drop Weber number in the range 1-100 focusing on the role of texture ...

Webthe impacting droplet D as a function of the We number. Different drop diameters are presented: for drop α, ∗ for drop β,and for drop γ, all three impacting sand B; are related to drops β on ... Web14 de jan. de 2024 · DOI: 10.1002/admi.202401791 Corpus ID: 213704613; Bioinspired Unidirectional Liquid Spreading Channel–Principle, Design, and Manufacture @article{Zhang2024BioinspiredUL, title={Bioinspired Unidirectional Liquid Spreading Channel–Principle, Design, and Manufacture}, author={Xiangyu Zhang and Dongyue …

Web15 de jun. de 2024 · The spreading ratio β = D s / D is defined in Fig. 3 (a) with a typical time evolution presented in Fig. 3 (b). After the drop contacts the solid surface, β first … Web5 de jan. de 2024 · In contrast to water droplets, the colloid droplets exhibit vigorous spraying behavior due to the nanoparticulate residue deposition during the spreading and retraction stages. Further, the residue on the heated substrate changes the departure diameter of the vapor bubbles during boiling, prevents bubble coalescence and vapor …

Web11 de fev. de 2016 · On the spreading of impacting drops. The energy budget and dissipation mechanisms during droplet impact on solid surfaces are studied numerically …

WebThe energy budget and dissipation mechanisms during droplet impact on solid surfaces are studied numerically and theoretically. We find that for high impact velocities and … how does the thames tideway tunnel workWeb4 de abr. de 2024 · H.-M. Huang and X.-P. Chen, “ Energetic analysis of drop's maximum spreading on solid surface with low impact speed,” Phys. Fluids 30, 022106 (2024). https ... “ Maximal deformation of an impacting drop,” J. Fluid Mech. 517, 199 ... photograph arcade fire sheet musicWeb18 de jan. de 2005 · On the maximum spreading diameter of impacting droplets on well-prepared solid surfaces Langmuir. 2005 Jan 18;21(2):666-73. doi: 10.1021/la0481288. ... Our data for the maximum spreading diameter of water and formamide impacting on these surfaces were compared with those predicted from literature models. how does the thing endWeb18 de out. de 2024 · Air film curvature ahead of the contact line drives fast-spreading dynamics during droplet impact and spreading on a smooth surface. The fast-spreading process could lead to wetting failure and bubble entrapment. Reducing the surface tension of the impacting drop increases the critical capillary number threshold for wetting failure … how does the thief think anilWebThis new view on the impact problem allows for simple analytical estimates of the maximum spreading diameter of impacting drops as a function of the impact parameters and the properties of the solid surface. It bridges the gap between previous momentum balance approaches and energy balance approaches, which hitherto did not give consistent ... how does the thermometer workWeb21 de out. de 2024 · Vaikuntanathan, V. & Sivakumar, D. Maximum spreading of liquid drops impacting on groove-textured surfaces: effect of surface texture. Langmuir 32 , 2399–2409 (2016). Article CAS Google Scholar how does the thermosphere help usWebAuthor: Wildeman, S. et al.; Genre: Journal Article; Published in Print: 2016-10; Keywords: Drops; Drops and bubbles; Interfacial flows (free surface); Title: On the ... how does the thermohaline circulation work