Thermophysics and Aeromechanics

, Volume 25, Issue 1, pp 101–108 | Cite as

Heat transfer and phase transitions of water in multi-layer cryolithozone-surface systems

  • I. L. Khabibullin
  • G. A. Nigametyanova
  • F. F. Nazmutdinov
Article
  • 4 Downloads

Abstract

A mathematical model for calculating the distribution of temperature and the dynamics of the phase transfor-mations of water in multilayer systems on permafrost-zone surface is proposed. The model allows one to perform calculations in the annual cycle, taking into account the distribution of temperature on the surface in warm and cold seasons. A system involving four layers, a snow or land cover, a top layer of soil, a layer of thermal-insulation materi-al, and a mineral soil, is analyzed. The calculations by the model allow one to choose the optimal thickness and com-position of the layers which would ensure the stability of structures built on the permafrost-zone surface.

Keywords

permafrost zone permafrost land cover thermo-insulating layer heat transfer temperature distri-bution soil freezing and thawing 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • I. L. Khabibullin
    • 1
  • G. A. Nigametyanova
    • 1
  • F. F. Nazmutdinov
    • 1
  1. 1.Bashkir State UniversityUfaRussia

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