Impact behavior of hydrophilic microparticles on the particle-laden interface
作者： Shijie Zhu , Caixiao Zhao , Jinhui Lin , Wei Zhang , Yue Sheng
DOI: 10.1016/J.CES.2020.115913
关键词:
摘要: Abstract Dynamic behavior of hydrophilic microparticles impacting on the particle-laden interface is experimentally studied using a high-speed camera at different properties particle layer and subphase. When microparticle impacts interface, its surface likely to change from Wenzel Cassie-Baxter state. Three types impact can be identified, namely, rebound, suspension, submergence. Especially, particles will suspend under due interaction between interface. The subphase show little influence normal coefficient restitution, while tangential restitution significantly affected by size layer. A modified penetration probability proposed as an exponential function inertial, capillary hydrodynamic forces with introducing effective interfacial viscosity additional force. collision force displacing surrounding stationary liquid are main factors influencing probability.
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