A novel quantitative analysis of the local deformation of the air-water surface by a floating sphere

Feng, Dong-xia and Nguyen, Anh V. (2016) A novel quantitative analysis of the local deformation of the air-water surface by a floating sphere. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 504 407-413. doi:10.1016/j.colsurfa.2016.05.098


Author Feng, Dong-xia
Nguyen, Anh V.
Title A novel quantitative analysis of the local deformation of the air-water surface by a floating sphere
Journal name Colloids and Surfaces A: Physicochemical and Engineering Aspects   Check publisher's open access policy
ISSN 1873-4359
0927-7757
Publication date 2016-09-05
Year available 2016
Sub-type Article (original research)
DOI 10.1016/j.colsurfa.2016.05.098
Open Access Status Not Open Access
Volume 504
Start page 407
End page 413
Total pages 7
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2017
Language eng
Abstract The Young-Laplace equation (YLE) for the deformation of external menisci governs many amazing interfacial phenomena and processes, from the walking on the surface of water by arthropods to the separation of coal and valuable minerals worth billions of dollars annually. A quantitative analysis of the phenomena suffers from problems of YLE which is a highly nonlinear differential equation with one of the two boundary conditions occurred at infinity. Available numerical solutions cannot be used for the numerical fitting of the meniscus profiles to quantify experimental results. Here we present a novel qualitative analysis involving novel numerical algorithms, which are fast and stable and, therefore, suitable for the numerical fitting to match the theoretical and experimental results to quantify the meniscus deformation. The application of the algorithms is successfully demonstrated using the experimental data for the deformation of the air-water interface around a sphere.
Keyword Meniscus
Contact angle
Air-water interface
Numerical method
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
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