Geodesic
Calculating the parameters for an underground polyethylene heat supply pipeline in perennial frozen soils
Matematičeskie zametki SVFU, Tome 28 (2021) no. 1, pp. 67-77 Cet article a éte moissonné depuis la source Math-Net.Ru

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Based on mathematical modeling of the process of thawing-freezing of the host soil for an underground polyethylene heat supply pipeline with thermal insulation operated in areas of permafrost distribution, we propose a method for calculating the thickness of the thermal insulation layer and depth of the pipeline under the condition of annual zero isotherm establishment in the host soil by the beginning of the heating season at the level of the active soil layer border.
Keywords: heat equation, pipeline, heat supply, permafrost, temperature, finite difference method, thawing depth, thermal insulation thickness. 
@article{SVFU_2021_28_1_a5,
     author = {M. P. Akimov and S. D. Mordovskoy and N. P. Starostin},
     title = {Calculating the parameters for an underground polyethylene heat supply pipeline in perennial frozen soils},
     journal = {Matemati\v{c}eskie zametki SVFU},
     pages = {67--77},
     year = {2021},
     volume = {28},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SVFU_2021_28_1_a5/}
}
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M. P. Akimov; S. D. Mordovskoy; N. P. Starostin. Calculating the parameters for an underground polyethylene heat supply pipeline in perennial frozen soils. Matematičeskie zametki SVFU, Tome 28 (2021) no. 1, pp. 67-77. http://geodesic.mathdoc.fr/item/SVFU_2021_28_1_a5/