The Coffee-Ring Effect ·
Evaporation Sorts Particles to the Edge
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.com · pinned contact line · flux singularity · outward capillary flow
Edge flux J
0
Péclet Pe
0
phase
—
Liquid drop / cap
Evaporative flux J(r)
Pinned contact line
Colloidal particles
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.com · The Coffee-Ring Effect: How Evaporation Sorts Particles to the Edge