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Ring formation on an inclined surface
2015
Journal of Fluid Mechanics
A drop dried on a solid surface will typically leave a narrow band of solute deposited along the contact line. Here we examine variations of this deposit due to the inclination of the substrate using numerical simulations of a two-dimensional drop, equivalent to a strip-like drop. An asymptotic analysis of the contact line region predicts that the upslope deposit will grow faster at early times, but the growth of this deposit ends sooner because the upper contact line depins first. From our
doi:10.1017/jfm.2015.312
fatcat:y6a2uwky35blpdhrsqlfwmynxu