Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
In this work, the influence of different cations (Na+, K+, Ca2+ and Mg2+) on the surface tension of electrolyte solution was investigated using molecular dynamics simulations (MDs). The structure of the water-ion system was discussed in terms of ion-oxygen, ion-hydrogen radial distribution function (RDF) and hydration numbers of different electrolyte ions. It was found that the water-ion system existed...
The attractive and tunable wetting behaviors extend the applications of nanofluids into many scientific and engineering areas; however, the corresponding mechanisms are not well understood. In this work, the time-dependent wetting radius and contact angle for various dilute nanofluid droplets were measured by the droplet spreading method. The effects of the nanoparticle material, loading and diameter,...
To apply SiO 2 nanoparticles to assist the formation of polystyrene, PS, film via the electric breath figure, EBF, method in relation to various voltages, the obtained PS/SiO 2 films showed highly ordered pore structures and the pore diameter was gradually reduced with the applied voltage increase. On these PS/SiO 2 film surfaces, water contact angle was found at 110.3° for...
A multiphase lattice Boltzmann method (LBM) was developed to investigate capillary rise dynamics in a capillary tube. The numerical results give quantitative agreement with experimental data when inertia, the dynamic contact angle, and the entrance effect were taken into account. The results show that the capillary rise can be divided into an initial stage where the capillary rise dynamics significantly...
Molecular dynamics method is used to study evaporation of an argon droplet without or with a macroscopic velocity in a platinum nano-channel. The droplet and its surrounding vapor initially in equilibrium are placed in a vacuum nano-channel and heated by the channel wall with a constant temperature. The effects of the channel size (25.2×25.2×34.0nm 3 and 50.4×50.4×34.0nm 3 ), wall...
The capillary controlled spreading of a spherical-cap droplet of power-law fluid is theoretically investigated using a spreading kinetics model based on the classical energy-based approach. The model gives analytical predictions of the dynamic contact angles and spreading radius for shear-thinning, shear-thickening, and Newtonian fluids in complete or partial wetting systems. The model also shows...
Advective flow in permeable spheres of radially varying permeability in an electrical filed is studied. A numerical model is developed to elucidate the effect of sphere structure, including the volume-average permeability and the primary particle size, on flow and drag force of the sphere. The radially varying sphere would have stronger internal electroosmotic flow relative to its homogeneous counterpart...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.