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Article Dans Une Revue Journal of Colloid and Interface Science Année : 2020

Pumping effect of heterogeneous meniscus formed around spherical particle

Résumé

Hypothesis: A disturbance such as a microparticle on the pathway of a spreading droplet has shown the tremendous ability to accelerate locally the motion of the macroscopic contact line (Mu et al., J. Fluid Mech. 830, 2017) [1]. Although this ability has been linked to the particle-liquid interaction, the physical mechanisms behind it are still poorly understood despite its academic interest and the scope of numerous industrial applications in need of fast wetting. Experiments: In order to better understand the mechanisms behind the particleliquid interaction, we numerically investigate the pressure and velocity fields in the liquid film. The results are compared to experiments assessing the temporal shape variation of the liquid-film meniscus from which pressure difference around
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Dates et versions

hal-03045107 , version 1 (07-12-2020)

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Hayate Nakamura, Tetsuya Ogawa, Motochika Inoue, Takuma Hori, Lizhong Mu, et al.. Pumping effect of heterogeneous meniscus formed around spherical particle. Journal of Colloid and Interface Science, 2020, 562, pp.133-141. ⟨10.1016/j.jcis.2019.12.005⟩. ⟨hal-03045107⟩
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