A simple formula for the estimation of surface tension from two length measurements for a sessile or pendant drop

被引：12

作者：

Hutzler, S. ^{[1
]}

Ryan-Purcell, J. C. F. ^{[1
]}

Dunne, F. F. ^{[1
]}

Weaire, D. ^{[1
]}

机构：

[1] Univ Dublin, Sch Phys, Trinity Coll Dublin, Dublin, Ireland

来源：

PHILOSOPHICAL MAGAZINE LETTERS | 2018年 / 98卷 / 01期

基金：

爱尔兰科学基金会;

关键词：

Surface tension; pendant and sessile drops; analytic theory; INTERFACIAL-TENSION; CONTACT-ANGLE; SHAPES;

D O I：

10.1080/09500839.2018.1434320

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a very simple formula for the determination of surface tension from only two length measurements for pendant or sessile liquid drops (together with knowledge of their density). The formula is derived from an analytic theory of Morse and Witten for the shape of a drop under a small applied force. We also discuss its validity in the presence of measurement accuracy.

引用

页码：9 / 16

页数：8

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