Superwettability controlled overflow is presented. Superhydrophilicity enhances overflow and superhydrophobicity reduces overflow. The fundamental mechanism for the dynamic interaction between fluids and solid-edges is revealed and several methods for preparing the surfaces of solid-edges with superwettabilities are presented. The insights gained provide new opportunities to achieve controllable dynamic interaction at solid-liquid interfaces for various applications.
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Dong et al. (2015) studied this question.