[PDF] Top 20 One-Phase and Two-Phase Flow in Highly Permeable Porous Media

... industrial and natural processes involve flow in highly permeable media, such as exchangers, canopies, urban ...modeling flow equations in low perme- ability ... Voir le document complet

... industrial and natural processes involve flow in highly permeable media, such as heat and mass exchangers, canopy, networks of urban canyons, ...Capillary and Bond ... Voir le document complet

... of two-phase gas-water Darcy flow in fractured porous ...introduced in [2], [4] for single phase Darcy flows and in [17], [16], [13], [5] for ... Voir le document complet

... displacement in porous media Abstract. In this paper, we are interested in the simultaneous flow of two im- miscible fluid phases within a porous ...consider ... Voir le document complet

... aperture and the usual high fracture perme- ability. Two test cases are considered with liquid and gas phases defined as a mixture of air and water ...first one presented in ... Voir le document complet

... time in seconds. 5 Conclusion The hybrid dimensional model for two phase flow through fractured porous media with pressure dis- continuities at the mf intersecions presented here ... Voir le document complet

... analysis, one must remember that all the models presented above make assumptions of nearly quasi- steady and quasi-static pore-scale ...correct in the context of nuclear safety. Indeed, ... Voir le document complet

... Influence of an Interface Condition and Exact Linearization in the Newton Iterations for Two-Phase Flow in Heterogeneous Porous Media Jennifer Niessner, Jean Roberts, Rainer Helmig.. To [r] ... Voir le document complet

... O’Carroll and Sleep, 2007 ). Pumping a DNAPL phase from the subsur face can be represented by an imbibition process in porous ...DNAPL phase is progressively pushed away from the soil ... Voir le document complet

... examples In the numerical tests proposed in this section, we use the Vertex Approximate Gradient scheme, denoted VAG, introduced in [17] and developed for compositional multiphase flows ... Voir le document complet

... proposed. In [23], ...performed in the multidimensional case. It was then shown in [11] that, in the one-dimensional case, and accounting the convection, a closely related scheme ... Voir le document complet

... field in a cross section of a capillary tube illustrating the annular two-phase viscous ...used in this paper have been recently obtained [ 17 ] from the experimental database presented ... Voir le document complet

... used in engineering practice, research of the past several decades has lead to more elaborate models capable of dealing with complex and dynamic pore-scale physics [ 7 – 16 ...interest in those that ... Voir le document complet

... For one-phase flow: scheme “II” seems preferable: contrary to Antohe & Lage (1997), Getachew et ...discussion in Nakayama & Kuwahara (1999), Pedras and de Lemos (2001), ... Voir le document complet

... the two- step upscaling procedure sketched in ...empirically in Barenblatt et al. (1960) for the flow of a fluid in heterogeneous porous media, and is also coherent with the ... Voir le document complet

... laminar) two-phase, incompressible, Newtonian fluid flow through homogenous porous media using the method of volume ...the two-phase Navier–Stokes boundary value problem ... Voir le document complet

... the two- step upscaling procedure sketched in ...empirically in Barenblatt et al. (1960) for the flow of a fluid in heterogeneous porous media, and is also coherent with the ... Voir le document complet

... hybrid-dimensional two-phase Darcy flow model has not been studied before, except in [27, 2] where the authors use a global pressure ...formulation. In order to account more efficiently ... Voir le document complet

... developed, in the framework of the gradient discretization method, the numerical analysis of a two-phase flow model in deformable and fractured porous ... Voir le document complet

... between flow, transport and chemistry can be treated in one of two ...ways. In a fully coupled procedure, one nonlinear system gathering all equations is solved at each ... Voir le document complet