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Surface phase transitions in ice: From fundamental interactions to applications
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
2019 (English)In: Philosophical Transactions. Series A: Mathematical, physical, and engineering science, ISSN 1364-503X, E-ISSN 1471-2962, Vol. 377, no 2146, article id 20180261Article in journal (Refereed) Published
Abstract [en]

Interfaces divide all phases of matter and yet in most practical settings it is tempting to ignore their energies and the associated implications. There are many reasons for this, not the least of which is the introduction of a new pair of canonically conjugate variables-interfacial energy and its counterpart the surface area. A key set of questions surrounding the treatment of multiphase flows concerns how and when we must account for such effects. I begin this discussion with an abbreviated review of the basic theory of lower-dimensional phase transitions and describe a range of situations in which the bulk behaviour of a two-phase (and in some cases twocomponent) system is dominated by surface effects. Then I discuss a number of settings in which the bulk and surface behaviour can interact on equal footing. These can include the dynamic and thermodynamic behaviour of floating sea ice, the freezing and drying of colloidal suspensions (such as soil) and the mechanisms of protoplanetesimal formation by inter-particle collisions in accretion discs. This article is part of the theme issue 'The physics and chemistry of ice: Scaffolding across scales, from the viability of life to the formation of planets'. © 2019 Royal Society Publishing. All rights reserved.

Place, publisher, year, edition, pages
Royal Society Publishing , 2019. Vol. 377, no 2146, article id 20180261
Keywords [en]
Ice physics, Phase transitions, Surfaces, Scaffolds, Sea ice, Suspensions (fluids), Two phase flow, Accretion discs, Colloidal suspensions, Conjugate variables, Inter-particle collision, Set of questions, Surface effect, Surface phase transitions, Thermodynamic behaviour
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Other Natural Sciences
Identifiers
URN: urn:nbn:se:kth:diva-252514DOI: 10.1098/rsta.2018.0261ISI: 000466382900007Scopus ID: 2-s2.0-85064852836OAI: oai:DiVA.org:kth-252514DiVA, id: diva2:1336845
Note

QC 20190710

Available from: 2019-07-10 Created: 2019-07-10 Last updated: 2019-07-10Bibliographically approved

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Wettlaufer, John

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