超疏水材料表面液-气界面的稳定性及演化规律

吕鹏宇; 薛亚辉; 段慧玲

doi:10.6052/1000-0992-15-043

超疏水材料表面液-气界面的稳定性及演化规律

doi: 10.6052/1000-0992-15-043

吕鹏宇¹,
薛亚辉¹,
段慧玲^1,2,3, ,

1 北京大学工学院力学与工程科学系, 北京 100871
2 北京大学工学院应用物理与技术研究中心, 北京 100871
3 IFSA协同创新中心, 上海交通大学, 上海 200240

基金项目: 国家杰出青年科学基金(11225208)和国家基金委创新群体(11521202)资助项目.

详细信息

作者简介:
段慧玲,女,北京大学理学博士(2005),长江学者特聘教授,博士生导师;北京大学工学院力学与工程科学系系主任、兼固体力学学科点主任.美国机械工程师协会(ASME)主办杂志Journal of Engineering Materials and Technology的副主编、Scientific Reports等多个杂志的编委;中国力学学会理事,副秘书长.近年来,在非均质材料的弹性力学基本问题、复杂形貌固体表面的弹性理论及浸润理论、薄膜异质结构的力学理论及应用等方面取得了重要的科研成果.在国内外学术杂志、学术会议上发表学术论文100余篇,其中,科学引文索引(SCI)收录论文80多篇.有7篇论文被评为高引用论文和热点论文;其中有两篇论文入选国际\基本科学指标"(ESI)高引用论文,他引均超过200次.在IUTAM Symposium、国内外学术会议和多所大学做大会报告、主旨报告和邀请学术报告60多次.获得了国家杰出青年基金,中国青年女科学家奖、美国机械工程师学会The Sia Nemat-Nasser Early Career Award、中国力学学会青年科技奖、全国百篇优秀博士论文、茅以升北京青年科技奖、德国洪堡学者基金等多项奖励和资助.

通讯作者:
段慧玲

中图分类号: O363.2
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出版历程
- 收稿日期: 2015-10-22
- 修回日期: 2015-12-07
- 刊出日期: 2016-05-20

Stability and evolution of liquid-gas interfaces on superhydrophobic surfaces

LV Pengyu¹,
XUE Yahui¹,
DUAN Huiling^{1,2,3
, ,}

1 State Key Laboratory for Turbulence and Complex System, Department of Mechanics and Engineering Science, College of Engineering, Peking Universitity, Beijing 100871, China
2 HEDPS, Center for Applied Physics and Technology, Peking University, Beijing 100871, China
3 IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China

More Information

Corresponding author: DUAN Huiling

摘要

摘要: 超疏水表面功能材料在防污、流动减阻等领域具有重要应用,其中液-气界面的稳定性是关系到该种材料性能发挥的关键因素.微结构液-气界面的稳定性主要体现在浸润状态转变过程,浸润状态恢复过程和气泡形态演化过程三个方面.在压强变化、气体扩散等多种因素作用下,液-气界面会发生失稳现象,并以不同的形态变化方式进行演化发展.该文首先总结了三类液-气界面稳定性问题.在不同的演化阶段,液-气界面具有不同的位置和形状,体现出不同的稳定性.然后,分别针对液滴系统和水下浸没系统,考虑了几种主要的影响因素,综述了目前国内外关于超疏水微结构液-气界面稳定性研究的主要进展,总结液-气界面的演化机制.最后,展望了该领域中存在的主要科学问题.
- 超疏水微结构表面 /
- 液-气界面 /
- 稳定性 /
- 演化规律 /
- 浸润状态转变过程
Abstract: Microstructured superhydrophobic surfaces have broad applications such as anti-fouling and drag reduction.The performance of such surfaces strongly depends on the stability of liquid-gas interfaces, which affects physical processes including wetting transition, restoration and bubble evolution.Various physical factors including pressurization and gas diffusion may destabilize the liquid-air interfaces, and lead to evolution in different manners.In this paper, we first summarize the three types of interfacial stability problems for liquid-gas interfaces.Relying on external stimulations, the liquid-air interface may evolve into different stages and exhibit different morphologies.The recent progress of research on the stability and control of liquid-air interfaces in both droplet systems and submersion circumstances has been reviewed.Based on this review, remaining challenges for future research have been given.
- superhydrophobic surfaces /
- liquid-gas interfaces /
- stability /
- wetting transition /
- drag reduction

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