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The influence of Lifshitz forces and gas on premelting of ice within porous materials
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. 115, no 1, 13001Article in journal (Refereed) Published
Abstract [en]

Premelting of ice within pores in earth materials is shown to depend on the presence of vapor layers. For thick vapor layers between ice and pore surfaces, a nanosized water sheet can be formed due to repulsive Lifshitz forces. In the absence of vapor layers, ice is inhibited from melting near pore surfaces. In between these limits, we find an enhancement of the water film thickness in silica and alumina pores. In the presence of metallic surface patches in the pore, the Lifshitz forces can dramatically widen the water film thickness, with potential complete melting of the ice surface.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2016. Vol. 115, no 1, 13001
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Physical Sciences
URN: urn:nbn:se:kth:diva-194293DOI: 10.1209/0295-5075/115/13001ISI: 000384457600014ScopusID: 2-s2.0-84982107165OAI: diva2:1039506

QC 20161024

Available from: 2016-10-24 Created: 2016-10-21 Last updated: 2016-10-24Bibliographically approved

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