FREEZING PATTERNS IN SALINE SOILS: MODELING WITH REGARD TO THE OSMOTIC EFFECT

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Freezing patterns in a porous soil saturated with a saline solution are investigated with regard to osmotic effects, using a model suggested previously by the authors but in a more general formulation. The results include a numerical and an approximate self-similar analytical solution to a nonlinear problem; description of typical freezing behavior in the presence of osmotic pressure. The modeling results agree well with experimental evidence on freezing of saline clay and sand. The model includes three porous domains with ice (I), thermodynamically equilibrated ice+solution (II), and a liquid saline solution (III) in the pores. The modeling is performed for a simplified case of domains II and III that share a mobile phase boundary where the solution freezes up partially, with heat release.

About the authors

M. Ramazanov

Institute for Geothermal Research and Renewable Energy (Branch of the Joint Institute for High Temperatures, Russian Academy of Sciences); Institute of Geosphere Dynamics of the Russian Academy of Sciences

Email: mukamay-ipg@mail.ru
ORCID iD: 0000-0002-2468-1272
Geothermomechanics Laboratory, doctor of physical and mathematical sciences 2003

N. Bulgakova

Institute for Geothermal Research and Renewable Energy (Branch of the Joint Institute for High Temperatures, Russian Academy of Sciences)

Author for correspondence.
Email: ipgnatali@mail.ru
ORCID iD: 0000-0002-4224-1246
Geothermomechanics Laboratory, candidate of technical sciences 2011

L. Lobkovsky

P.P.Shirshov Institute of Oceanology of the Russian Academy of Science; Tomsk State University

Email: llobkovsky@mail.ru
ORCID iD: 0000-0002-8033-8452
Science Department

E. Chuvilin

Skolkovo Institute of Science and Technology (Skoltech), Innovation Center Skolkovo; Tomsk State University

Email: ipgnatali@mail.ru
ORCID iD: 0000-0003-1173-546X

Science Department

S. Gadzhimagomedova

Institute for Geothermal Research and Renewable Energy (Branch of Joint Institute for High Temperatures, Russian Academy of Sciences)

Email: salikhat.g@gmail.com
ORCID iD: 0009-0003-3942-7749
Geothermomechanics Laboratory

N. Shakhova

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch Russian Academy of Sciences, Vladivostok, Russia; Institute of Geosphere Dynamics of the Russian Academy of Sciences; Tomsk State University

Email: ipgnatali@mail.ru
ORCID iD: 0000-0002-5878-566X

Science Department

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Copyright (c) 2024 Ramazanov M., Bulgakova N., Lobkovsky L., Chuvilin E., Gadzhimagomedova S., Shakhova N.

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