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Saturated porous medium

Thermal instability of a rotating saturated porous medium heated from below and submitted to rotation

Thermal instability of a rotating saturated porous medium heated from below and submitted to rotation

... Received 24 June 2002 / Received in final form 11 September 2002 Published online 31 October 2002 – c  EDP Sciences, Societ`a Italiana di Fisica, Springer-Verlag 2002 Abstract. In this work, we study the problem of onset ...

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Evaporation of a sodium chloride solution from a saturated porous medium with efflorescence formation

Evaporation of a sodium chloride solution from a saturated porous medium with efflorescence formation

... heterogeneous porous medium made of a column of a fine porous medium set in the middle of a coarse porous medium was considered in Veran-Tissoires et ...(homogeneous porous ...

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Gas injection in a liquid saturated porous medium. Influence of pressurization effects and liquid films

Gas injection in a liquid saturated porous medium. Influence of pressurization effects and liquid films

... in porous media ( Satik and Yortsos 1996 ) and especially in the porous wicks ( Louriou and Prat, accepted ), used in cooling devices such as loop heat pipes ( Maydanik 2005 ...thin porous media. The ...

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Evaporation of a sodium chloride solution from a saturated porous medium with efflorescence formation

Evaporation of a sodium chloride solution from a saturated porous medium with efflorescence formation

... the porous medium surface and the hollow cylinder entrance is reduced) and modifies the evaporation flux distribution over the ...the porous medium surface and the hollow cylinder entrance is ...

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Three-dimensional spatially localized binary-fluid convection in a porous medium

Three-dimensional spatially localized binary-fluid convection in a porous medium

... Key words: convection, convection in porous media, nonlinear dynamical systems 1. Introduction Stationary spatially localized states are of great interest in the theory of pattern formation. Recently ...

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2018 — Design of porous medium burners by means of additive manufacturing

2018 — Design of porous medium burners by means of additive manufacturing

... The first case (Figure 3.1b; setups #1, #4, and #5) represents 60 PPI SiSiC foam in the upstream section and three porous media (10 PPI SiSiC foam (#1), 10 PPI CoCr lattice (#1), and 10 PPI CoCr foam) in the ...

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Drying with Formation of Capillary Rings in a Model Porous Medium

Drying with Formation of Capillary Rings in a Model Porous Medium

... As in many previous works on two-phase flows in porous media, e.g. Lenormand et al. ( 1983 ), Lenormand and Zarcone ( 1984 ), Laurindo and Prat ( 1996 , 1998 ), Tsimpanogiannis et al. ( 1999 ), Yiotis et al. ( ...

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HOMOGENIZATION OF DIFFUSION-DEFORMATION IN DUAL-POROUS MEDIUM WITH DISCONTINUITY INTERFACES

HOMOGENIZATION OF DIFFUSION-DEFORMATION IN DUAL-POROUS MEDIUM WITH DISCONTINUITY INTERFACES

... The model treated in this paper describes the diffusion and deformation coupled in time at three different scales using the concept of the so-called dual porosity [3, 4]. In the context of asymptotic analysis with ...

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Three-dimensional spatially localized binary-fluid convection in a porous medium

Three-dimensional spatially localized binary-fluid convection in a porous medium

... Key words: convection, convection in porous media, nonlinear dynamical systems 1. Introduction Stationary spatially localized states are of great interest in the theory of pattern formation. Recently ...

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NAPL disolution in an heterogeneous porous medium: experimental and numerical study

NAPL disolution in an heterogeneous porous medium: experimental and numerical study

... stratified porous medium made of five strata of two different porous media wherein a pollutant (TCE) has been trapped under capillary ...the porous medium and to the microscopic ...

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Drying with Formation of Capillary Rings in a Model Porous Medium

Drying with Formation of Capillary Rings in a Model Porous Medium

... As in many previous works on two-phase flows in porous media, e.g. Lenormand et al. ( 1983 ), Lenormand and Zarcone ( 1984 ), Laurindo and Prat ( 1996 , 1998 ), Tsimpanogiannis et al. ( 1999 ), Yiotis et al. ( ...

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Porous medium coffee ring effect and other factors affecting the first crystallisation time of sodium chloride at the surface of a drying porous medium

Porous medium coffee ring effect and other factors affecting the first crystallisation time of sodium chloride at the surface of a drying porous medium

... FIG. 17. Computed distribution of water activity at the surface of porous medium at various times (2D simulations with porosity wall effect and a non-uniform evaporation flux distribution, σ = 2, d = 27.5 ...

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Non-local equilibrium continuum modeling of partially saturated drying porous media: comparison with pore network simulations

Non-local equilibrium continuum modeling of partially saturated drying porous media: comparison with pore network simulations

... The NLE CM led to a good agreement with the PNM drying sim ulations in both the saturation profiles and the drying kinetics. However, for the considered situation, the NLE CM leads to only slightly better results than ...

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Modeling of drying for a saturated deformable porous media: taking into account the liquid pressure

Modeling of drying for a saturated deformable porous media: taking into account the liquid pressure

... En 1991, Coussy (Coussy, 1991) fait une formalisation de ces théories en utilisant la mécanique des milieux continus. Il présente une formulation expliquant que la contrainte mécanique[r] ...

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Oscillatory flows and capillary effects in partially saturated and unsaturated porous media: applications to beach hydrodynamics

Oscillatory flows and capillary effects in partially saturated and unsaturated porous media: applications to beach hydrodynamics

... Numerical simulations of oscillatory water flow are implemented with the B IG F LOW 3D code (implicit finite volumes, with conjugate gradients for the matrix solver and modified Picard iterations for the nonlinear ...

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Locus of first crystals on the evaporative surface of a vertically textured porous medium

Locus of first crystals on the evaporative surface of a vertically textured porous medium

... coarse medium owing to the greater velocity induced in the coarse ...finer medium in the upper region of the system eventually leads to a greater accumulation of ions in the finer ...fine porous ...

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Experimental study of the dryout of a 2D heat-generating model porous medium

Experimental study of the dryout of a 2D heat-generating model porous medium

... 4. Discussion and conclusion One of the key advantage of the present experimental setup is that it provides visualizations of the various flow/boiling regimes, as a func- tion of the dissipated power and location within ...

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Generalized Sobolev Inequalities and Asymptotic Behaviour in Fast Diffusion and Porous Medium Problems

Generalized Sobolev Inequalities and Asymptotic Behaviour in Fast Diffusion and Porous Medium Problems

... or porous medium equations Our approach in the proof of these results uses elements which are rather new in the study of nonlinear diffusions of this type but that are already familiar in the field of ...

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Extension of the bifurcation method for diffusion coefficients to porous medium transport

Extension of the bifurcation method for diffusion coefficients to porous medium transport

... in porous media, fea- turing Knudsen di usion (also alled e usion), is the Dusty-Gas Model, whi h requires as mu h omputational e ort as for the determination of ...

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Carbon dioxide gas hydrate crystallization in porous silica gel particles partially saturated with a surfactant solution

Carbon dioxide gas hydrate crystallization in porous silica gel particles partially saturated with a surfactant solution

... (where it occurs without SDS too), but also in the bulk water phase. This may explain the beneficial effect observed on the porous medium. 1. Introduction Gas hydrates are clathrate solids composed of ...

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