Reactive transport in porous media
Development of numerical methods for the reactive transport of chemical species in a porous media : a nonlinear conjugate gradient method
... words: porous media, reactive transport, code coupling, nonlinear conjugate gra- dient method, preconditioning ...Abstract. In the framework of the evaluation of nuclear waste disposal ...
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Numerical simulation of two-phase multicomponent flow with reactive transport in porous media: application to geological sequestration of CO2
... Abstract. In this work, we consider two-phase multicomponent flow in heterogeneous porous media with chemical ...concentrations in the case of kinetic chemical reactions or are unknown ...
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Reactive transport in porous media: Pore-network model approach compared to pore-scale model
... solve reactive transport in a porous medium, the PSM, which solves on the microscale, and the PNM, which reformulates this problem on a larger ...made in identical media under ...
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Preconditioned iterative method for reactive transport with sorption in porous media
... arising in a model of reactive solute transport in porous media, including equilibrium ...multicomponents reactive transport ...unknowns. In both cases, we ...
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Modeling non-equilibrium mass transport in biologically reactive porous media
... works In this article, we derive a one-equation non-equilibrium model for solute transport in saturated and biologically reactive porous ...multiphase reactive transport ...
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Reactive Transport in Porous Media
... further in this ...found in the reference book [12]. From the simplified point of view adopted in this paper, the end result is that we can model sorption reactions in the same way as ...
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Numerical simulation of compressible two-phase flow and reactive transport in porous media - Applications to the study of CO2 storage and natural gas reservoir.
... composition in the supercritical ...convergence in the context of phase ...appearing in the transition zones caused the time step to decrease and then made it less efficient than the NVF; however, ...
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Improvement of the numerical capacities of simulation tools for reactive transport modeling in porous media
... process in any way the relation of concentrations between cells like a transport operator ...the transport operator is not only ...of transport codes with their own logic and ...duplicated ...
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A domain decomposition approach to finite-epsilon homogenization of scalar transport in porous media
... non-Fickian transport models have been obtained using both the MA and VATs, but these only apply to specific cases and lack ...HT in the case where the unit- cell contains two different domains that differ ...
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In vitro cartilage culture: flow, transport and reaction in fibrous porous media
... the reactive transport (advection/diffusion/reaction) of the two species in a three-phase system composed of the cell-phase, a fluid phase and a solid phase is ...macroscopic transport ...
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Multiple-scale analysis of transport phenomena in porous media with biofilms
... T In this part, we develop a one-equation non-equilibrium model to describe the Darcy-scale transport of a solute undergoing biodegradation in porous ...studied in the previous part, ...
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Mixing and reactions in porous media
... and reactive transport in heterogeneous flows is a chal- lenging issue in the context of flow through porous media as the probability of reactive species to meet and react ...
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Modeling ion transport mechanisms in unsaturated porous media
... species in the mth mineral, and ν ji is the stoichiometric coe cient of the ith ionic species in the jth ...reactions in ionic transport prob- lems. In early models (see for instance ...
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Modeling ion transport mechanisms in unsaturated porous media
... species transport in reactive and unsaturated porous ...equations in isothermal conditions at the local (nanoscopic) scale are discussed ...Since, in many practical cases, ...
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Equivalence between volume averaging and moments matching techniques for mass transport models in porous media
... On the basis of these results, domains of validity can be deter- mined for a square input signal identical in both phases Fig. 8 . When the Péclet number is below or approximately unity, the lo- cal mass ...
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Rarefied Pure Gas Transport in Non-Isothermal Porous Media: Effective Transport properties from Homogenization of the Kinetic Equation
... always in the geometry of a straight cylindrical ...review in (Sharipov, 1996). It has already been shown, in such geometries, that working directly with the ”Bhatnagar-Gross-Krook” (BGK) ...
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Ion transport through deformable porous media: derivation of the macroscopic equations using upscaling
... advances in multi-scale modeling of electrokinetic effects in rigid porous media, it is natural to turn to deformable porous media, which represent a more realistic model (able ...
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Drying of Porous Media
... effects. In the following, we briefly describe the scope of each ...macroporous media considering various pore-scale mechanisms influencing the global drying behavior of a porous ...the porous ...
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Generalized Lagrangian Coordinates for Transport and Two-Phase Flows in Heterogeneous Anisotropic Porous Media
... As was previously mentioned, the convection operator is one dimensional in the Buckley–Leverett limit even in the case of anisotropic permeability fields when it is expressed in the Buck[r] ...
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Comment on “Frequency-dependent dispersion in porous media”
... (8) where D ∗c γ (t ) is the correct transient dispersion tensor. This idea was used by Moyne [ 7 ] to develop a two-equation model of transient dispersion. Note that all these models are based on the assumption that ...
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