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Updated: Apr 10, 2026
07:08
Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films
Published on: August 18, 2018
7.9K
Drop coalescence and liquid flow in a single Plateau border
Alexandre Cohen1, Nathalie Fraysse1, Christophe Raufaste1
1Université Nice Sophia Antipolis, CNRS, LPMC, UMR 7336, Parc Valrose, 06100 Nice, France.
Summary
This study explores liquid flow in Plateau borders, revealing two distinct regimes: inertial and viscous. The findings offer insights into liquid foam drainage and dynamics within microchannels.
Area of Science:
- Physics
- Fluid Dynamics
- Materials Science
Background:
- Liquid foams are complex structures with interconnected channels.
- Understanding liquid flow in these channels is crucial for foam stability and applications.
Purpose of the Study:
- To investigate the dynamics of liquid redistribution in a Plateau border after droplet injection.
- To characterize the inertial and viscous regimes governing this flow.
- To explore liquid flow through soap films and the impact of interfacial rheology.
Main Methods:
- Experimental study of liquid droplet injection into a liquid foam microchannel (Plateau border).
- Analysis of liquid redistribution dynamics, focusing on inertial and viscous flow regimes.
- Investigation of the transition between flow regimes and liquid flow through soap films.
Main Results:
- Two contrasting liquid redistribution regimes (inertial and viscous) were observed.
- Coalescence dynamics and liquid flow through soap films were characterized.
- The transition between inertial and viscous regimes was investigated and qualitatively explained.
Conclusions:
- The study provides a comprehensive understanding of drop-injected flow in Plateau borders.
- Results are relevant to liquid foam drainage and network flow.
- Further extensions to complex liquid foams are discussed.
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