On the spreading of impacting drops

Author: dpwk

August undefined, 2024

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 ... Web1 de jan. de 2024 · This suggests that the impacting drop looks like to be engulfed and spreading behaves as a combined liquid mass. Thus, the combined liquid spreading …

Drop impacting on a surface with adjustable wettability based …

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 … Web5 de mar. de 2024 · The self-consistent theory presented here, which does not make use of energetic arguments to predict the maximum spreading diameter of impacting drops, … flipped qrs

Morphed inception of dynamic Leidenfrost regime in colloidal …

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 … Web1 de abr. de 2024 · Hydrocarbon fuel drops impacting on metallic solid surfaces kept at room temperature exhibit no receding after the completion of early inertia-driven primary spreading. The experimental data of impacting drops of different fuels on a smooth stainless steel surface reveal a sluggish spreading, referred to as post-spreading, after … Web10 de abr. de 2024 · Superhydrophobic surfaces could repel water due to the capillary force associated with surface roughness, which has a large range of applications, such as underwater drag reduction, heat transfer enhancement, oil/water separation, and so on. However, the engineering applications of superhydrophobic surfaces rely on the stability … greatest horror movie characters of all time

Drop impacting on a surface with adjustable wettability based …

Predicting the maximum spreading of a liquid drop impacting …

Web3 de set. de 2024 · The effects of the Weber number, contact angle, and sphere-to-droplet diameter ratio ( D*) on the droplet impacting on a spherical surface are further studied by numerically calculating the spreading factor and the spreading arc angle corresponding to the two-dimensional wetting arc at the maximum spreading state. Web11 de abr. de 2024 · Moreover, the maximum spreading diameter of the water drop was proportional to the first power of the water drop diameter and the quarter power of the … greatest horror films of the 1930sWebStudies of water drop impacts on microstructured surfaces are important for understanding dynamic wetting on rough surfaces, and for developing related design principles. Here, high-speed imaging has been used to study asymmetries within the spreading phase following vertical water drop impacts at Weber numbers between 34 and 167. flipped redecanais

"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 … " - On the spreading of impacting drops

On the spreading of impacting drops

Asymmetries in the spread of drops impacting on hydrophobic …

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 ... Web1 de abr. de 2012 · In the present study, the maximum spreading of Newtonian and shear-thinning drops impacting on dry surfaces was investigated experimentally. Water, glycerin drops (Newtonian liquids) and xanthan drops (shear-thinning liquids) were impinged upon the flat surfaces of glass, stainless steel and parafilm-M substrates, which have …

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Web4 de abr. de 2024 · In this particular research, droplet impact onto a smooth sapphire surface is studied for seven glycerol concentrations between 0% and 100%, and 294 … 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 …

Web21 de set. de 2024 · As the surface wettability changes, the drop spreading factor and the dynamic contact angle differ for the same Weber number, exhibiting diverse drop behavior. A bubble entrapped on the surface is the most commonly observed phenomenon, ... “ Splashing of fuel drops impacting on heated solid surfaces,” Phys. Fluids 32(3), ... Web18 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.

Web8 de abr. de 2024 · 11:08 AM. 0. On Friday, five days into a massive outage impacting its cloud services, Western Digital finally provided customers with a workaround to access their files. Since April 2nd, the ... Web12 de set. de 2024 · The maximal spreading ratio of the compound drop is found to depend on the volume fraction of the inner droplet 𝛼, the surface tension ratio 𝛾, the Weber number …

Web21 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

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). flipped reading reportWeb15 de mai. de 2024 · t = 0 is defined as the moment when the droplets reach maximum spreading. (b) Dynamic contact angle measurements of a water droplet impacting (v … flipped relationshipWeb14 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. … greatest horror films of the 2000sWeb1 de mar. de 2016 · The analysis reveals that contact line pinning offers a physically meaningful justification of the observed deviation ofβm,⊥ from βm,∥ compared to other possible candidates. Maximum spreading of liquid drops impacting on solid surfaces textured with unidirectional parallel grooves is studied for drop Weber number in the … flipped read onlineWeb30 de abr. de 2024 · Therefore, the results in figure 20(a) contrast with those in Range & Feuillebois (Reference Range and Feuillebois 1998) for the case of drops impacting … flipped release dateWeb5 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 … flipped research modelWeb10 de jan. de 2024 · The maximum spreading of drops impacting on smooth and rough surfaces is measured from low to high impact velocity for liquids with different surface tensions and viscosities. greatest horror game of all time