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Vaganova N.A. Simulation of non-stationary thermal fields from a buried thermally insulated pipeline and its diagnostics Proceedings of the Institute of Mechanics of Ufa Branch of RAS. 5 (2007). 127–132.
2007. Vol. 5. Issue 1, Pp. 127–132
URL: http://proc.uimech.org/uim2007.1.013
DOI: 10.21662/uim2007.1.013
Simulation of non-stationary thermal fields from a buried thermally insulated pipeline and its diagnostics
Vaganova N.A.
Institute of Mathematics and Mechanics, Ural Branch of RAS, Ekaterinburg

Abstract

To detect damage to the underground pipeline, a mathematical model, allowing to take into account the most significant Factors affecting the distribution of temperature on the day surface. To implement this model, a software package has been developed and results of numerical calculations. With the help of these calculations, in particular, It is established that modern thermal imaging equipment has a principal possibility to determine an unauthorized frame in the main pipeline at a depth of two meters in clay soil.

Keywords

simulation of heat propagation,
heat equation,
nonlinear boundary conditions