Capillary filling in closed-end nanotubes

doi:10.1088/1674-1056/27/2/024701

中国物理B ›› 2018, Vol. 27 ›› Issue (2): 24701-024701.doi: 10.1088/1674-1056/27/2/024701

所属专题： SPECIAL TOPIC — Soft matter and biological physics

• SPECIAL TOPIC—Soft matter and biological physics • 上一篇下一篇

Capillary filling in closed-end nanotubes

Chen Zhao(赵晨), Jiajia Zhou(周嘉嘉), Masao Doi

1. Center of Soft Matter Physics and Its Applications, Beihang University, Beijing 100191, China;
2. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China;
3. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing 100191, China;
4. Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China

收稿日期:2017-10-02 修回日期:2017-11-28 出版日期:2018-02-05 发布日期:2018-02-05
通讯作者: Jiajia Zhou E-mail:jjzhou@buaa.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 21434001, 21504004, and 21774004).

Capillary filling in closed-end nanotubes

Chen Zhao(赵晨)^1,2, Jiajia Zhou(周嘉嘉)^1,3, Masao Doi^1,4

1. Center of Soft Matter Physics and Its Applications, Beihang University, Beijing 100191, China;
2. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China;
3. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing 100191, China;
4. Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China

Received:2017-10-02 Revised:2017-11-28 Online:2018-02-05 Published:2018-02-05
Contact: Jiajia Zhou E-mail:jjzhou@buaa.edu.cn
About author:47.60.-i; 47.55.nb; 82.20.Wt
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 21434001, 21504004, and 21774004).

摘要/Abstract

摘要： Capillary filling in small length scale is an important process in nanotechnology and microfabrication. When one end of the tube or channel is sealed, it is important to consider the escape of the trapped gas. We develop a dynamic model on capillary filling in closed-end tubes, based on the diffusion-convection equation and Henry's law of gas dissolution. We systematically investigate the filling dynamics for various sets of parameters, and compare the results with a previous model which assumes a linear density profile of dissolved gas and neglect the convective term.

关键词: capillary filling, gas dissolution, Henry's law

Abstract: Capillary filling in small length scale is an important process in nanotechnology and microfabrication. When one end of the tube or channel is sealed, it is important to consider the escape of the trapped gas. We develop a dynamic model on capillary filling in closed-end tubes, based on the diffusion-convection equation and Henry's law of gas dissolution. We systematically investigate the filling dynamics for various sets of parameters, and compare the results with a previous model which assumes a linear density profile of dissolved gas and neglect the convective term.

Key words: capillary filling, gas dissolution, Henry's law

中图分类号: (Flow phenomena in quasi-one-dimensional systems)

47.60.-i

47.55.nb (Capillary and thermocapillary flows) 82.20.Wt (Computational modeling; simulation)

赵晨, 周嘉嘉. Capillary filling in closed-end nanotubes[J]. 中国物理B, 2018, 27(2): 24701-024701.

Chen Zhao(赵晨), Jiajia Zhou(周嘉嘉), Masao Doi. Capillary filling in closed-end nanotubes[J]. Chin. Phys. B, 2018, 27(2): 24701-024701.

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Capillary filling in closed-end nanotubes

Capillary filling in closed-end nanotubes

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