Snap-in dynamics of single particles to water drops
| Autor: | Lars-Oliver Heim, Longquan Chen, Dmytro S. Golovko, Elmar Bonaccurso |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Materials science
Physics and Astronomy (miscellaneous) media_common.quotation_subject Dynamics (mechanics) Nanotechnology Inertia Physics::Fluid Dynamics Condensed Matter::Soft Condensed Matter Colloidal probe technique Colloid Chemical physics Particle size Wetting Two-phase flow Computer Science::Distributed Parallel and Cluster Computing media_common Particle deposition |
| Zdroj: | Applied Physics Letters. 101:031601 |
| ISSN: | 1077-3118 0003-6951 |
| DOI: | 10.1063/1.4737210 |
| Popis: | The interaction between solid particles and gas-liquid interfaces is relevant in technological applications. Former studies did focus on detachment-dynamics of particles from thin liquid films or on attachment-dynamics of particles to gas bubbles. Here, we investigated snap-in dynamics of individual micron-sized particles to water drops by means of the colloidal probe technique. The snap-in time (∼0.1 ms) and the snap-in force of hydrophilic and hydrophobic particles were measured. The snap-in time increased with particle size regardless of wettability. The snap-in force increased with particle size and wettability. We show that the snap-in dynamics is dominated by capillarity and inertia. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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