<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper discusses existing models used to estimate the thermal conductivity of the soil medium. The considerations are divided into three general sections. In the first section of the paper, we focus on the presentation of empirical models. Here, in the case of Johansen method, different relations for Kersten number are also presented. In the next part, theoretical models are considered. In the following part, selected models were used to predict measured thermal conductivities of coarse- and fine-grained soils, at different water contents. Based on these predictions as well as on the authors’ experience, a critical assessment of the existing models is provided. The remarks as well as advantages and disadvantages of those models are summarized in a tabular form. The latter is important from a practical point of view; based on the table content, one can simply choose a model that is suitable for the particular problem.</p></abstract>

The paper discusses existing models used to estimate the thermal conductivity of the soil medium. The considerations are divided into three general sections. In the first section of the paper, we focus on the presentation of empirical models. Here, in the case of Johansen method, different relations for Kersten number are also presented. In the next part, theoretical models are considered. In the following part, selected models were used to predict measured thermal conductivities of coarse- and fine-grained soils, at different water contents. Based on these predictions as well as on the authors’ experience, a critical assessment of the existing models is provided. The remarks as well as advantages and disadvantages of those models are summarized in a tabular form. The latter is important from a practical point of view; based on the table content, one can simply choose a model that is suitable for the particular problem.

Empirical and theoretical models for prediction of soil thermal conductivity: a review and critical assessment

Wrocław University of Science and Technology

Student of the Faculty of Civil Engineering of Wrocław University of Science and Technology

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The paper discusses existing models used to estimate the thermal conductivity of the soil medium. The considerations are divided into three general sections....

Empirical and theoretical models for prediction of soil thermal conductivity: a review and critical assessment

Article Category: Original Study

Published Online: Jul 09, 2020

Page range: 330 - 340

Received: Jun 06, 2020

Accepted: Jun 17, 2020

DOI: https://doi.org/10.2478/sgem-2019-0053

Keywords
Heat flow, thermal conductivity, soil, Kersten number

© 2020 Adrian Różański, et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Empirical and theoretical models for prediction of soil thermal conductivity: a review and critical assessment

Article Category: Original Study

Published Online: Jul 09, 2020

Page range: 330 - 340

Received: Jun 06, 2020

Accepted: Jun 17, 2020

DOI: https://doi.org/10.2478/sgem-2019-0053

KeywordsHeat flow, thermal conductivity, soil, Kersten number

© 2020 Adrian Różański, et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Heat flow, thermal conductivity, soil, Kersten number