Droplet on a sugar fiber
Fuente:
arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866915844165992448 |
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| author | Dorbolo, Stéphane Weyer, Floriane Delory, Alexandre Tambe, Apurav Pan, Zhao |
| author_facet | Dorbolo, Stéphane Weyer, Floriane Delory, Alexandre Tambe, Apurav Pan, Zhao |
| contents | The motion of a water droplet on a single vertical sugar fiber is analyzed. The fiber is positioned vertically, with the droplet placed at its pending end. If the capillary force exceeds the weight of the droplet, the droplet remains suspended at the fiber's extremity. As water dissolves, the fiber eventually breaks. Subsequently, the droplet may fall down carrying a portion of the undissolved fiber or, more interestingly, the droplet may be propelled upwards, remaining attached to the fiber. The process can then restart. A phase diagram is constructed based on the droplet's volume and the fiber's diameter. A model has been built to assess the critical droplet volume for a given fiber diameter, above which the droplet falls. Below this volume, the droplet can move upwards along the fiber. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_09797 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Droplet on a sugar fiber Dorbolo, Stéphane Weyer, Floriane Delory, Alexandre Tambe, Apurav Pan, Zhao Fluid Dynamics The motion of a water droplet on a single vertical sugar fiber is analyzed. The fiber is positioned vertically, with the droplet placed at its pending end. If the capillary force exceeds the weight of the droplet, the droplet remains suspended at the fiber's extremity. As water dissolves, the fiber eventually breaks. Subsequently, the droplet may fall down carrying a portion of the undissolved fiber or, more interestingly, the droplet may be propelled upwards, remaining attached to the fiber. The process can then restart. A phase diagram is constructed based on the droplet's volume and the fiber's diameter. A model has been built to assess the critical droplet volume for a given fiber diameter, above which the droplet falls. Below this volume, the droplet can move upwards along the fiber. |
| title | Droplet on a sugar fiber |
| topic | Fluid Dynamics |
| url | https://arxiv.org/abs/2506.09797 |