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Mathematical properties of the foam flow in porous media
Foam is used in enhanced oil recovery to improve the sweep efficiency by controlling the
gas mobility. A common way to describe the foam displacement is by using population …
gas mobility. A common way to describe the foam displacement is by using population …
Traveling wave solutions describing the foam flow in porous media for low surfactant concentration
We present a foam displacement model with a separate balance equation for the surfactant
concentration in the aqueous phase. We consider the gas mobility that depends on the …
concentration in the aqueous phase. We consider the gas mobility that depends on the …
Riemann solutions for counterflow combustion in light porous foam
The paper is motivated by a model for the injection of air into a porous medium that contains
a solid fuel. In previous work, a system of three evolutionary partial differential equations that …
a solid fuel. In previous work, a system of three evolutionary partial differential equations that …
Traveling waves in a simplified gas-solid combustion model in porous media
F Ozbag, S Schecter, G Chapiro - 2018 - projecteuclid.org
We study the combustion waves that occur when air is injected into a porous medium
containing initially some solid fuel and prove the existence of traveling waves using phase …
containing initially some solid fuel and prove the existence of traveling waves using phase …
Classification of the traveling wave solutions for filtration combustion considering thermal losses
In the mathematical modeling of solid fuel combustion, thermal losses are commonly
neglected to allow a rigorous analysis. In this work, different choice of simplifications was …
neglected to allow a rigorous analysis. In this work, different choice of simplifications was …
The effect of thermal losses on traveling waves for in-situ combustion in porous medium
We study a model for the injection of air into an underground porous medium that contains a
solid fuel. In our previous works the model was simplified and all wave sequences for the …
solid fuel. In our previous works the model was simplified and all wave sequences for the …
Numerical solution of a class of moving boundary problems with a nonlinear complementarity approach
Parabolic-type problems, involving a variational complementarity formulation, arise in
mathematical models of several applications in Engineering, Economy, Biology and different …
mathematical models of several applications in Engineering, Economy, Biology and different …
Stability of combustion waves in a simplified gas–solid combustion model in porous media
We study the stability of the combustion waves that occur in a simplified model for injection
of air into a porous medium that initially contains some solid fuel. We determine the essential …
of air into a porous medium that initially contains some solid fuel. We determine the essential …
Asymptotic approximation for counterflow combustion in porous media
Air injection and in situ combustion have long been considered as potential techniques for
displacement and recovery of medium and heavy oil. They utilize heavy and immobile oil …
displacement and recovery of medium and heavy oil. They utilize heavy and immobile oil …
[کتاب][B] Stability analysis of combustion waves in porous media
F Ozbag - 2016 - search.proquest.com
This thesis is devoted to the analysis of combustion waves that occur when air is injected
into a porous medium containing initially some fuel. Our analysis consists of showing …
into a porous medium containing initially some fuel. Our analysis consists of showing …