Capillary filling in closed-end nanotubes

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 diffusio...

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Bibliographic Details
Published in:Chinese physics B 2018-02, Vol.27 (2), p.56-63
Main Authors: 赵晨, 周嘉嘉, Masao Doi
Format: Article
Language:English
Subjects:
闭锁式
溶解气体
动态模型
纳米技术
动力学
试管
对流
隧道
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Summary: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.
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/27/2/024701