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Evaluation of soil thermal conductivity models

Barry-Macaulay, D, Bouazza, A, Wang, B and Singh, RM (2015) Evaluation of soil thermal conductivity models Canadian Geotechnical Journal, 52 (11). pp. 1892-1900.

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Numerous models have been developed to predict the thermal conductivity of soils at a range of different densities and moisture contents. This paper evaluates four thermal conductivity models, developed by various researchers, by comparing their performance against experimental results obtained on 27 different soils prepared at a range of saturation levels and densities. The results demonstrate that, in general, all four models show good agreement between experimental thermal conductivity and modelled thermal conductivity. The only significant shortfall is observed in low-saturated sands when using two of the models. A detailed analysis of the empirical soil parameters used in three of the recent models is presented. It shows that the accuracy of the three models can be improved by modifying the empirical soil parameters to fit the experimental data.

Item Type: Article
Subjects : Civil Engineering
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
Barry-Macaulay, D
Bouazza, A
Wang, B
Date : 27 April 2015
DOI : 10.1139/cgj-2014-0518
Copyright Disclaimer : © 2015, NRC Research Press
Uncontrolled Keywords : Soils, Thermal conductivity, Thermal conductivity models, Heat transfer
Depositing User : Symplectic Elements
Date Deposited : 22 Aug 2016 10:24
Last Modified : 04 Sep 2019 11:11

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