The temperature jump at a growing ice-water interface

F. Elif Genceli Güner; Johan Wåhlin; Mogens Hinge; Signe Kjelstrup

doi:10.1016/j.cplett.2015.01.013

The temperature jump at a growing ice-water interface

F. Elif Genceli Güner^*, Johan Wåhlin, Mogens Hinge, Signe Kjelstrup

^*Corresponding author for this work

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

During an ice growth rate of around 0.02 mm/s, we report a temperature jump at an ice-water interface above 0 °C up to 1.68 °C (0.01 ± °C), as measured with thermochromatic-liquid-crystals. This gives experimental proof for the existence of an interfacial temperature jump during a liquid-solid phase transition, confirming similar results for liquid-vapour transition, and supporting idea of the surface as a separate thermodynamic system. The fact that there is no continuity in intensive variables across the interface, unlike what is assumed in standard engineering models, has a bearing on the understanding and modelling of coupled heat and mass transport at interfaces in nature and man-made applications.

Original language	English
Pages (from-to)	15-19
Number of pages	5
Journal	Chemical Physics Letters
Volume	622
DOIs	https://doi.org/10.1016/j.cplett.2015.01.013
Publication status	Published - 16 Feb 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V.

Funding

EGG acknowledges the support from STW-NWO (VENI grant 10680 ). SK is grateful to TU Delft for a part time professorship. We would like to thank Prof. dr. Dick Bedeaux, Prof. dr. Ingve Simonsen and Dr. Marcos Rodriguez Pascual for their scientific input.

Funders	Funder number
STW-NWO	10680

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10.1016/j.cplett.2015.01.013

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abstract = "During an ice growth rate of around 0.02 mm/s, we report a temperature jump at an ice-water interface above 0 °C up to 1.68 °C (0.01 ± °C), as measured with thermochromatic-liquid-crystals. This gives experimental proof for the existence of an interfacial temperature jump during a liquid-solid phase transition, confirming similar results for liquid-vapour transition, and supporting idea of the surface as a separate thermodynamic system. The fact that there is no continuity in intensive variables across the interface, unlike what is assumed in standard engineering models, has a bearing on the understanding and modelling of coupled heat and mass transport at interfaces in nature and man-made applications.",

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AU - Wåhlin, Johan

AU - Hinge, Mogens

AU - Kjelstrup, Signe

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AB - During an ice growth rate of around 0.02 mm/s, we report a temperature jump at an ice-water interface above 0 °C up to 1.68 °C (0.01 ± °C), as measured with thermochromatic-liquid-crystals. This gives experimental proof for the existence of an interfacial temperature jump during a liquid-solid phase transition, confirming similar results for liquid-vapour transition, and supporting idea of the surface as a separate thermodynamic system. The fact that there is no continuity in intensive variables across the interface, unlike what is assumed in standard engineering models, has a bearing on the understanding and modelling of coupled heat and mass transport at interfaces in nature and man-made applications.

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The temperature jump at a growing ice-water interface

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