نتایج جستجو برای: sessile drop
تعداد نتایج: 50921 فیلتر نتایج به سال:
Although sessile drops have simple geometries, the physics involved in their evaporation process is complex owing to numerous intricate interactions and fluid nature. An accurate quantitative model of will enable increased understanding control over process. In this study, a numerical developed for drop on heated substrate under microgravity based results rocket parabolic experiments understand...
Abstract
It is shown here that concurrence between advection and diffusion in a drying sessile drop of a biological fluid can produce spatial redistribution of albumen and salt. The result gives an explanation for the patterns observed in the dried drops of the biological fluids.
In this work, we present the visualization of the internal flows in a drying sessile polymer dispersion drop on hydrophilic and hydrophobic surfaces with Spectral Radar Optical Coherence Tomography (SR-OCT). We have found that surface features such as the initial contact angle and pinning of the contact line, play a crucial role on the flow direction and final shape of the dried drop. Moreover,...
In this report we show that synchrotron X-ray radiography is a powerful method to study liquid-air interface penetration through opaque microtextured surface roughness, leading to wetting transition. We investigate this wetting phenomenon in the context of sessile drop evaporation, and establish that liquid interface sinking into the surface texture is indeed dictated by the balance of capillar...
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