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Вычислительные методы и приложения

Simulation of in-situ combustion front dynamics

N. E. Grachev^a, A. V. Dmitriev^b, D. S. Senin^a, V. T. Volkov^b, N. N. Nefedov<sup>b

a</sup> The All Russian Oil and Gas Scientific-Research Institute after Academician A. P. Krylov, Moscow
^b Lomonosov Moscow State University, Faculty of Physics

Abstract: The dynamics of sharp transition layers in the reaction-diffusion-advection model is numerically studied. The mathematical model qualitatively describes the motion of an oxidizer for the thermogas method of enhanced oil recovery. The influence of permeability heterogeneity on the front shape is considered. The simulation results are compared with the numerical data obtained with the use of the CMG STARS thermohydrodynamic simulator.

Keywords: reaction-diffusion-advection equation; asymptotic methods; in-situ combustion front.

UDC: 519.633