Experimental and theoretical research on thawing process of frozen soil under storage tank

About the authors:

Anatoliy A. Kislitsin, Dr. Sci. (Phys.-Math.), Professor, Department of Applied and Technical Physics, University of Tyumen; a.a.kislicyn@utmn.ru; ORCID: 0000-0003-3863-0510

Ulyana Yu. Shastunova, Сand. Sci. (Phys.-Math.), Associate Professor, Department of Applied and Technical Physics, University of Tyumen; u.y.shastunova@utmn.ru

Abstract:

The temperature fields in frozen soil under the tank filled with above-zero temperature petroleum products, as well as the changes in the shape and position of ice melting front (the isotherm T = 0°C) over time are measured by applying an experimental facility. The approximate solution of a two-dimensional Stefan problem for thawing of the frozen soil is given, and it is demonstrated that the satisfactory agreement with the experimental results can be obtained only taking into account convective heat transfer caused by the movement of water in the soil thawed.

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