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On the spreading of impacting drops

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 … 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 …

Spreading and splashing of drops impacting rough …

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 Web15 de mai. de 2024 · The spreading of liquid droplets impacting a surface at high speed is well understood by now. However, when a droplet impacts a surface at relatively low impact velocities (< 1 m/s), the wetting properties of the fluid become important, and the entrapped air layer between the impacting drop and the solid surface prevents the immediate … pa state board of nursing license check https://matchstick-inc.com

phoP maintains the environmental persistence and virulence of ...

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 … 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, … 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 … tiny bnb rentals

Maximum Spreading of Liquid Drops Impacting on Groove …

Category:(PDF) On the maximal spreading of impacting compound drops

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On the spreading of impacting drops

Droplet bouncing on moving superhydrophobic groove surfaces

Web1 de out. de 2012 · We present an experimental study of drop impact on a solid surface in the spreading regime with no splashing. Using the space–time-resolved Fourier … 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 …

On the spreading of impacting drops

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Web10 de jun. de 2024 · For larger values of the inclination angle, the final shape of the drop can be approximated by an ellipse whose major and minor semiaxes can also be … 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 …

Web12 de abr. de 2024 · Resolution independence study of drop impact at the maximal spreading with We ¼ 17.2, Re ¼ 658, and h ¼ 54 . (a) Mesh independence study and (b) time step independence study. Web1 de abr. de 2024 · The experimental data of impacting drops of different fuels on a smooth stainless steel surface reveal a sluggish spreading, referred to as post …

Web10 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. 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 …

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 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 ... tiny bnb tv showWebDroplet impact has been imaged on different rigid, smooth, and rough substrates for three liquids with different viscosity and surface tension, with special attention to the lower … pa state board of medicine written agreementWeb2 de mai. de 2024 · We numerically study the impact of a liquid drop onto no-slip rigid substrates with different wettabilities using a diffuse interface method, aiming to obtain a … pa state board of nursing dietitianWeb1 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 … pa state board of cosmetology meetingWeb17 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 ... pa state board of psychology act act 52Web30 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 … pa state board of nursing title 40WebFor 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 … pa state board of nursing change of address