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# The capillary bridge technique to study superhydrophobic surfaces

Céline Cohen, Yann Bouret, Xavier Noblin

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Céline Cohen, Yann Bouret, Xavier Noblin. The capillary bridge technique to study superhydrophobic surfaces. Complex Days, Académie Systèmes Complexes, Mar 2019, Nice, France. hal-03862789

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https://hal.science/hal-03862789

Submitted on 21 Nov 2022

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Distributed under a Creative Commons Attribution 4.0 International License
# The capillary bridge technique to study superhydrophobic surfaces.

Céline Cohen, Yann Bouret, Xavier Noblin.

Institut de Physique de Nice.

INPHYNI
INSTITUT DE PHYSIQUE DE NICE

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UNIVERSITÉ
CÔTE D'AZUR

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Université
Nice
Sophia Antipolis

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## Superhydrophobic surfaces: multiscale roughness. Metastable state.

## Contact line dynamics problem.

<figure><img src="image_7.png" /><figcaption>### Capillary bridge setup.</figcaption></figure>

<figure><img src="image_8.png" /><figcaption>### Advancing</figcaption></figure>
Fabrication of curved
superhydrophobic surfaces

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Large contact area :
condensation effect
At room temperature
and humidity.

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- Contact angle hysteresis

- Dynamical contact angle

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