Fluid release pressure for micro-/nanoscale rectangular channels

被引：3

作者：

Mo, Jingwen ^{[1
,2
]}

Ding, Yaohuan ^{[1
,2
]}

Xiang, Nan ^{[1
,2
]}

Zhu, Shu ^{[1
,2
]}

Zeng, Jiaying ^{[1
,2
]}

Bi, Kedong ^{[1
,2
]}

Ma, Jian ^{[1
,2
]}

Sha, Jingjie ^{[1
,2
]}

Chen, Yunfei ^{[1
,2
]}

机构：

[1] Southeast Univ, Jiangsu Key Lab Design & Mfg Micro Nano Biomed In, Nanjing 210096, Peoples R China

[2] Southeast Univ, Sch Mech Engn, Nanjing 210096, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2020年 / 127卷 / 11期

基金：

中国国家自然科学基金;

关键词：

CAPILLARY STOP VALVES; SURFACE-TENSION; SYSTEM; LIQUID; WATER;

D O I：

10.1063/1.5129411

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Experiments and numerical simulations are conducted to investigate fluid release from micro- to nanoscale rectangular channels. It is found that the release pressure can be flexibly adjusted by varying the channel size or the inclined angle. A critical inclined angle is found for wetting fluids, below which spontaneous release is achieved. A modified Young-Laplace equation for predicting the release pressure of rectangular channels is developed, which works well down to the nanoscale. The experimental results and theoretical predictions have also been verified by numerical simulations.

引用

页数：7

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