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Two-phase flow model

Derivation of a two-phase flow model with two-scale kinematics and surface tension by means of variational calculus

Derivation of a two-phase flow model with two-scale kinematics and surface tension by means of variational calculus

... a two-phase interface that relies on a probability density ...a two-phase flow model that is able to account for small and large scale separation of the interface description by ...

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Numerical analysis of a two-phase flow discrete fracture matrix model

Numerical analysis of a two-phase flow discrete fracture matrix model

... new model for two phase Darcy flows in fractured media, in which fractures are modelled as submanifolds of codimension one with respect to the surrounding domain ...the two phase ...

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Derivation of a two-phase flow model with two-scale kinematics, geometric variables and surface tension using variational calculus

Derivation of a two-phase flow model with two-scale kinematics, geometric variables and surface tension using variational calculus

... a two-phase flow model that is able to account for two-scale kinematics and two-scale surface tension effects based on geometric variables at small ...the flow and the ...

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A hybrid-dimensional compositional two-phase flow model in fractured porous media with phase transitions and Fickian diffusion

A hybrid-dimensional compositional two-phase flow model in fractured porous media with phase transitions and Fickian diffusion

... of two-phase Darcy flow, a natural extension of continuous pressure models is considered in [17, 18, 19, 20, 21, 22, 23, 24] for fractures acting as ...both phase pressures are continuous at ...

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Finite volume approximation of a degenerate immiscible two-phase flow
model of {C}ahn-{H}illiard type

Finite volume approximation of a degenerate immiscible two-phase flow model of {C}ahn-{H}illiard type

... immiscible two-phase flow model of Cahn-Hilliard type Cl´ ement Canc` es and Flore Nabet Abstract We propose a two-point flux approximation Finite Volume scheme for a model of ...

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Immiscible two-phase Darcy flow model accounting for vanishing and discontinuous capillary pressures: application to the flow in fractured porous media

Immiscible two-phase Darcy flow model accounting for vanishing and discontinuous capillary pressures: application to the flow in fractured porous media

... dimensional model of two-phase gas-water Darcy flow in fractured porous ...single phase Darcy flows and in [17], [16], [13], [5] for two-phase Darcy flows, treats ...

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Two-phase inertial flow in homogeneous porous media:  A theoretical derivation of a macroscopic model

Two-phase inertial flow in homogeneous porous media: A theoretical derivation of a macroscopic model

... the two viscous drag tensors obtained from the solution of the boundary value problems also given in Appendix ...macroscopic model for some inertial two-phase, incom- pressible, Newtonian ...

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A 3D stochastic model for geometrical characterization of particles in two-phase flow applications

A 3D stochastic model for geometrical characterization of particles in two-phase flow applications

... the model that properly describes a random structure is driven by the nature of the observable ...Boolean model of disks with a specific inference technique to retrieve the bubble size ...for two- ...

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A two-phase two-fluxes degenerate Cahn-Hilliard model as constrained Wasserstein gradient flow

A two-phase two-fluxes degenerate Cahn-Hilliard model as constrained Wasserstein gradient flow

... our model has a Wasserstein gradient flow structure, it would be natural to use a La- grangian method as for instance in [7, 31, 27, ...both phase move with their own speed, therefore such an ...

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A THREE-PHASE FLOW MODEL WITH TWO MISCIBLE PHASES

A THREE-PHASE FLOW MODEL WITH TWO MISCIBLE PHASES

... Bear-Nunziato-like model for a compressible three-phase ...each phase: the liquid phase is immiscible with the two gaseous phases which are ...the model and the relaxation source ...

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A two-pressure model for slightly compressible single phase flow in bi-structured porous media

A two-pressure model for slightly compressible single phase flow in bi-structured porous media

... If applied to a system that can be dealt with through the two- step upscaling procedure sketched in Fig. 1 , the results of this paper provide a solid theoretical basis for a generalization of the model ...

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Numerical simulation of the water-sediment mixed flow in a periodic channel by a two-phase model

Numerical simulation of the water-sediment mixed flow in a periodic channel by a two-phase model

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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Numerical study of two-phase granular flow for process equipment

Numerical study of two-phase granular flow for process equipment

... Figure 1. Schematic of the reactor used in this study. From Härkönen (1984), with permission. The Härkönen scheme has formed the basis for subsequent calculations: Michelsen (1995) and Michelsen and Foss (1994, 1996) ...

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Adjoint analysis of Buckley-Leverett and two-phase flow equations

Adjoint analysis of Buckley-Leverett and two-phase flow equations

... Most applications of the adjoint method outlined above make use of a discrete adjoint solution that is obtained by linearizing the discrete residual operator. Although the discrete adjoint method works for gen- eral ...

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A two-pressure model for slightly compressible single phase flow in bi-structured porous media

A two-pressure model for slightly compressible single phase flow in bi-structured porous media

... with two different regional velocities may be ...a two-step upscaling procedure: Stokes equations are first averaged to obtain a Darcy-scale description within each region and, then, a regional averaging is ...

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Magnetic flux distortion in two-phase liquid metal flow: Model experiment

Magnetic flux distortion in two-phase liquid metal flow: Model experiment

... constant a are really different. All the curves for w a;? ðxÞ collapse to a vertical asymptote at about 12600 rad s 1 . Consequently, w a;? tends to zero beyond this critical pulsa- tion. On the other hand, w a;jj ðxÞ ...

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Experimental and numerical investigation of two-phase flow in a model of nanoporous medium

Experimental and numerical investigation of two-phase flow in a model of nanoporous medium

... OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible.. (Unpublished).[r] ...

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Reactive two-phase finite element flow model for materials in the semi-solid state

Reactive two-phase finite element flow model for materials in the semi-solid state

... A mixture formulation for the flow of solid-liquid mixtures using a multi- phase constitutive model and temperature effects has been presented, The model has been implemented in a finite[r] ...

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A Godunov-type method for the seven-equation model of compressible two-phase flow

A Godunov-type method for the seven-equation model of compressible two-phase flow

... This asymptotic property holds true at the continuum level. A challenging issue is to retain the validity of this asymptotic behavior from a numerical point of view, by means of an asymptotic-preserving scheme for the ...

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Magnetic flux distortion in two-phase liquid metal flow: Model experiment

Magnetic flux distortion in two-phase liquid metal flow: Model experiment

... with two coaxial secondary coils and integrates the distortion of the induced Eddy currents due to the presence of void in the con- ducting ...expansion model of the magnetic ...

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