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KIAM Preprint № 11, Moscow, 2022
Authors: Kazakevich G.I., Poveschenko Y.A., Podryga V.O., Rahimly P.I., Bakeer A.E., Abu-Nab A.K.
Mathematical modeling of dissociation of gas hydrates in porous medium taking into account ice and salt
Abstract:
In the work, the method of splitting by physical processes is consistently applied to the problems of underground hydromechanics associated with gas hydrates and taking into account the presence of ice and the ice-water phase transition, as well as the presence of salt. The systems are reduced to the block form, with the separation of the dissipative and hyperbolic parts. It was shown by the method of characteristics that the usual approximation of the upwind coefficients should be modified here. Using the Gibbs phase rule, a choice was made of the determining variables in the flow zones that differ from each other in the number of phases and components. A general mathematical model has been built for the entire area of the process.
Keywords:
mathematical modeling, gas hydrates, multicomponent filtration, permafrost
Publication language: russian,  pages: 26
Research direction:
Mathematical modelling in actual problems of science and technics
Russian source text:
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About authors:
  • Kazakevich Grigory Ilych,  orcid.org/0000-0002-0422-9262IO RAS
  • Poveschenko Yuri Andreevich,  orcid.org/0000-0001-9211-9057KIAM RAS
  • Podryga Victoria Olegovna,  orcid.org/0000-0001-7874-6978KIAM RAS
  • Rahimly Parvin Ilgar gizi,  orcid.org/0000-0002-9271-5956KIAM RAS
  • Bakeer Ahmed Elsaid Ezeldin Bakeer Ali,  orcid.org/0000-0003-1074-2676MIPT
  • Abu-Nab Ahmed Kamal Ibrahim,  orcid.org/0000-0003-3038-348XMIPT