Drop impact behaviour on alternately hydrophobic and hydrophilic layered bead packs
Chemical Engineering Research and Design(2016)
摘要
•Micron sized bead packs were created as soil analogues.•Water drop impacts were recorded on alternating hydrophobic and hydrophilic layers.•Liquid marbling was observed on hydrophobic top layers.•Higher impact speeds lead to a greater degree of liquid marbling.•Overall decrease in pinning velocity as the bead size increased.
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关键词
Hydrophobicity,Hydrophilicity,Drop impact,Water repellent soil,Soil science,Liquid marbles
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