Capillary filling in closed-end nanotubes  

作　　者：赵晨 周嘉嘉 Masao Doi 

机构地区：[1]Center of Soft Matter Physics and Its Applications, Beihang University [2]School of Physics and Nuclear Energy Engineering, Beihang University [3]Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education,School of Chemistry, Beihang University [4]Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University

出　　处：《Chinese Physics B》2018年第2期56-63,共8页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China(Grant Nos.21434001,21504004,and 21774004)

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.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 

分 类 号：O363.2[理学—流体力学]