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Modeling the thermal conductivity of frozen soils
AbstractThis paper describes the computerized extended version of the De Vries model for predicting the thermal properties of frozen field soils. The extended model generally requires a limited data input and can be applied to a full range of soil moisture (dryness to saturation) and a wide range of soil temperatures (from −30 to 90°C). Predicted results are in good agreement with published experimental data provided that default data of mineral composition closely follow the experimental results. A user-friendly computer program has been developed to calculate thermal properties of soils below and above 0°C. The program offers two modes of input data, default and self-entered. The latter requires the following data: grain size distribution, bulk density or porosity, mineral composition including semi-quantitative analysis of clay mineral composition, shape of minerals.The model can be used for the quick estimation of thermal conductivity of practically any soil having lognormal grain size distribution and for computer simulation of heat transfer in soils above and below the freezing point.
Modeling the thermal conductivity of frozen soils
AbstractThis paper describes the computerized extended version of the De Vries model for predicting the thermal properties of frozen field soils. The extended model generally requires a limited data input and can be applied to a full range of soil moisture (dryness to saturation) and a wide range of soil temperatures (from −30 to 90°C). Predicted results are in good agreement with published experimental data provided that default data of mineral composition closely follow the experimental results. A user-friendly computer program has been developed to calculate thermal properties of soils below and above 0°C. The program offers two modes of input data, default and self-entered. The latter requires the following data: grain size distribution, bulk density or porosity, mineral composition including semi-quantitative analysis of clay mineral composition, shape of minerals.The model can be used for the quick estimation of thermal conductivity of practically any soil having lognormal grain size distribution and for computer simulation of heat transfer in soils above and below the freezing point.
Modeling the thermal conductivity of frozen soils
Tarnawski, Vlodek R. (author) / Wagner, Bernhard (author)
Cold Regions, Science and Technology ; 22 ; 19-31
1993-02-02
13 pages
Article (Journal)
Electronic Resource
English
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