Title

Droplets on liquid surfaces: Dual equilibrium states and their energy barrier

Authors

Authors

R. Shabani; R. Kumar;H. J. Cho

Comments

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Abbreviated Journal Title

Appl. Phys. Lett.

Keywords

FLUID INTERFACES; SMALL PARTICLES; NONCOALESCENCE; FORCE; Physics, Applied

Abstract

Floating aqueous droplets were formed at oil-air interface, and two stable configurations of (i) non-coalescent droplet and (ii) cap/bead droplet were observed. General solutions for energy and force analysis were obtained for both configurations and were shown to be in good agreement with the experimental observations. The energy barrier obtained for transition from configuration (i) to configuration (ii) was correlated to the droplet release height and the probability of non-coalescent droplet formation. (C) 2013 AIP Publishing LLC.

Journal Title

Applied Physics Letters

Volume

102

Issue/Number

18

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

4

WOS Identifier

WOS:000320439900098

ISSN

0003-6951

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