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Updated: Jun 12, 2026

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Published on: February 22, 2016

Dynamics of microfluidic droplets.

Charles N Baroud¹, Francois Gallaire, Rémi Dangla

¹LadHyX and Department of Mechanics, Ecole Polytechnique, CNRS, 91128, Palaiseau cedex, France. baroud@ladhyx.polytechnique.fr

|June 19, 2010

Summary

This review covers droplet microfluidics, focusing on drop formation, transport, and merging. Understanding interfacial tension is key to controlling fluid dynamics in microchannels.

Area of Science:

Fluid dynamics
Microfluidics
Interfacial phenomena

Background:

Droplet microfluidics differs from single-phase microfluidics due to interfacial tension effects.
Classical fluid dynamics principles explain droplet behavior in microchannels.

Purpose of the Study:

To review the physical principles governing drop formation, transport, and merging in microfluidic systems.
To highlight the role of interfacial tension in microfluidic drop dynamics.

Main Methods:

Review of classical fluid dynamics.
Analysis of interfacial tension effects on flow and pressure fields.
Detailed examination of drop formation, transport, and merging processes.

Main Results:

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Formation dynamics are influenced by microchannel geometry.
Drop velocity, pressure-velocity relations, and induced flow fields are analyzed.
Methods for achieving drop merging by bridging liquid films are discussed.

Conclusions:

Interfacial tension is a critical factor in microfluidic droplet behavior.
Understanding these physical ingredients is essential for controlling microfluidic applications.
This review provides a foundation for further research in droplet microfluidics.