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Effects of van der Waals forces and salt ions on the growth of water films on ice and the detachment of CO2 bubbles
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0002-5249-0211
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2016 (English)In: Europhysics letters, ISSN 0295-5075, E-ISSN 1286-4854, Vol. 113, no 4, 43002Article in journal (Refereed) PublishedText
Abstract [en]

We study the effect of salts on the thickness of wetting films on melting ice and interactions acting on CO2 bubble near ice-water and vapor-water interfaces. Governing mechanisms are the Lifshitz and the double-layer interactions in the respective three-layer geometries. We demonstrate that the latter depend on the Casimir-Polder interaction of the salt ions dissolved in water with the respective ice, vapor and CO2 interfaces, as calculated using different models for their effective polarizability in water. Significant variation in the predicted thickness of the equilibrium water film is observed for different salt ions and when using different models for the ions' polarizabilities. We find that CO2 bubbles are attracted towards the ice-water interface and repelled from the vapor-water interface.

Place, publisher, year, edition, pages
2016. Vol. 113, no 4, 43002
Keyword [en]
Lifshitz Theory, Hydrocarbon Adsorption, Vanderwaals Forces, Dispersion Forces, Liquid Helium, Surface, Dependence, Systems, Storage
National Category
Physical Chemistry
URN: urn:nbn:se:kth:diva-185385DOI: 10.1209/0295-5075/113/43002ISI: 000372420000012ScopusID: 2-s2.0-84962231437OAI: diva2:920526

QC 20160418

Available from: 2016-04-18 Created: 2016-04-18 Last updated: 2016-04-18Bibliographically approved

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Thiyam, Priyadarshini
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