Pipeline thawing effect on the permafrost boundary position in the summer period

Authors: S.S Primakov (Giprotyumenneftegaz OAO)
The temperature field describing method, allowing to use any number of heat sources and satisfying the boundary condition on the pipeline surface with any given accuracy, is suggested. The different methods of calculation of permafrost boundaries displacement are given. The high accuracy of the proposed method solution is marked.

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