Capillary-driven flows in eccentric annuli under microgravity

被引：0
|
作者：
Shangtong Chen
Lei Guo
Yong Li
Jintao Liu
Qi Kang
Wen Li
机构：
[1] Beijing Institute of Control Engineering,Institute of Mechanics
[2] China Academy of Space Technology,College of Engineering and Science
[3] Chinese Academy of Sciences,undefined
[4] University of Chinese Academy of Sciences,undefined
来源：
Archive of Applied Mechanics | 2023年 / 93卷
关键词：
Capillary-driven flow; Eccentric annulus; Volume of fluid method; Microgravity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The capillary-driven flow is an essential portion of liquid behavior under microgravity. Capillary-driven flows in eccentric annuli under microgravity are deeply analyzed in this paper. A second-order differential equation for the climbing height of liquid is derived. It can be solved with the Runge–Kutta method with appropriate initial conditions. The influences of the dynamic angle, the friction force on the annulus wall and the liquid meniscus in the reservoir on liquid behaviors are all considered in this paper. Moreover, effects of eccentricity on flow resistance and flow speed are discussed. This study has been verified by numerical simulation with the volume of fluid method.
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页码：731 / 743
页数：12
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