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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.21646 |
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Table of Contents:
- The maximum volume ($Ω$) of a droplet that can remain attached to a horizontal fiber defines the stability limit of droplet-fiber interactions, phenomena common in nature and critical to diverse engineering applications. Existing predictive models for $Ω$ show limitations in accurately capturing the dependence of $Ω$ on fiber size and wettability. To address this gap, we systematically investigate $Ω$ on a horizontal fiber through numerical simulations and experiments. A comprehensive semi-empirical model for $Ω$ is developed and validated against both experimental measurements and reference simulations. This model establishes a new scaling under which the normalized maximum droplet volume depends solely on the contact angle and remains valid across a wide spectrum from a sub-millimeter thin fiber to the flat-surface limit, regardless of the diverse morphologies that droplets exhibit.