Leidenfrost水凝胶球下蒸汽层的几何结构
流体动力学
2026-02-24 v3
摘要
悬浮的Leidenfrost滴droplet因蒸汽压力和表面张力的平衡，显示其下侧曲率反转。利用干涉成像，我们发现悬浮水凝胶球的行为不同。仅在沉降后短暂观察到曲率反转，但很快转为稳态且无反转。我们表明蒸汽化在塑造水凝胶下胃形状中发挥关键作用，为蒸汽压力与弹性力之间的相互作用添加了新成分。
关键词
引用
@article{arxiv.2507.04982,
title = {Geometry of the vapor layer under a Leidenfrost hydrogel sphere},
author = {Vicente L. Diaz-Melian and Isaac C. D. Lenton and Jack Binysh and Anton Souslov and Scott R. Waitukaitis},
journal= {arXiv preprint arXiv:2507.04982},
year = {2026}
}
备注
Figures 2 and 4 were updated, and the text was updated to correspond with the updated figures