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Academic literature on the topic 'Matériaux poreux – Dynamique des fluides'
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Dissertations / Theses on the topic "Matériaux poreux – Dynamique des fluides"
Oukhlef, Aimad. "Détermination de la distribution de tailles de pores d’un milieu poreux." Paris, ENSAM, 2011. http://www.theses.fr/2011ENAM0047.
Full textIn this work, we present two new methods to characterize the topological properties of porous media and more precisely their pore size distribution. The first method is based on the rheological properties of yield-stress fluids (such as Bingham or Casson fluids) flowing through the porous sample. The pore size distribution can be obtained from the measurement of the total flow rate of fluid as a function of the imposed pressure gradient provided an assumption is made on the general shape of the pores. In this work, we consider the simple and well-know Carman-Kozeny model. This technique is successfully tested both analytically and numerically for classical pore size distributions such as unimodal and multimodal Gaussian distributions and is extended to more realistic viscoplastic fluids (Herschel-Bulkley model). The second method is based on the dynamical analysis of the oscillatory flow of a Newtonian or non-Newtonian fluid through the porous medium. It consists in using the hydrodynamic transfer function of the porous sample and more particularly in the characterization of its complex admittance because the penetration depth and thus the pore size is related to the pulsation frequency of the imposed pressure gradient. The same capillary bundle model (Carman-Kozeny) is used here. This technique is tested and validated on several distributions for Newtonian and power-law fluids. In order to solve this problem, we introduce the notion of " complex inconsistency ". Compared to the existing methods, the simplicity, non-toxicity and cheapness of these two new techniques make them potentially interesting
Békri, Samir. "Dissolution et déposition dans les milieux poreux fracturés." Châtenay-Malabry, Ecole centrale de Paris, 1995. http://www.theses.fr/1995ECAP0455.
Full textChenevière, Pascal. "Méthodologie d'étude du transport transitoire de suspension dans les milieux : application à la récupération améliorée des hydrocarbures par voie microbienne." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10396.
Full textSouadnia, Azzedine. "Dispersion permanente et transitoire en milieux poreux spatialement périodiques." Vandoeuvre-les-Nancy, INPL, 1999. http://www.theses.fr/1999INPL001N.
Full textTouzis, Emeline. "Contribution à la formulation de produits solides : dispositif expérimental de suivi de la porosité, tortuosité et perméabilité au cours de la libération d'un soluté." Saint-Etienne, EMSE, 2005. http://www.theses.fr/2005EMSE0032.
Full textThis study describes a non destructive experimental method based on following a gas displacement to give the simultaneous measurement of granular and transport properties in a loose random packing subject to dissolution of one component. Measurements are made on packing of monosized spheres for different sizes of particles and of monosized nonspherical particles in order to understand the influence of particles size and shape on porosity, tortuosity and permeability. These experiments are followed by similar measurements during a leaching process of a glass bead packing, which have been previously coated with a polymer in a fluidised bed apparatus. Thus, the gas displacement experiment allows characterising the granular packing and the use of a liquid allows the alteration of the media. The alternation of gas and liquid flows through the granular packing give an information on how the structure properties are modified during the leaching process
Petrova-Bensalem, Roumania. "Étude des propriétés d'écoulement des bruts asphalténiques en milieu poreux." Lyon 1, 1998. http://www.theses.fr/1998LYO10104.
Full textCarrayrou, Jérôme. "Modélisation du transport de solutés réactifs en milieu poreux saturé." Université Louis Pasteur (Strasbourg) (1971-2008), 2001. https://publication-theses.unistra.fr/public/theses_doctorat/2001/Carrayrou_Jerome_2001.pdf.
Full textMontillet, Agnès. "Etude et modelisation de l'ecoulement a travers des milieux poreux reticules. Application a l'utilisation des mousses metalliques dans les reacteurs electrochimiques." Nantes, 1992. http://www.theses.fr/1992NANT2010.
Full textBarrande, Maud. "Caractérisation de matériaux poreux pour la séparation de protéines." Aix-Marseille 1, 2007. http://www.theses.fr/2007AIX11050.
Full textCelle, Pierre. "Couplage fluide/milieu poreux en grandes déformations pour la modélisation des procédés d'élaboration par infusion." Saint-Etienne, EMSE, 2006. http://www.theses.fr/2006EMSE0029.
Full textAn overall model for the study of a non isothermal fluid flow across a highly compressible porous medium is presented and applied for the study of dry composite manufacturing processes by infusion (Liquid Resin Infusion-LRI and Resin Film Infusion-RFI) in order to predict the thickness and the porosity of the final structure. The model developed includes a modified Beaver-Schaffman-Joseph condition to couple flow across and outside the porous medium. An ALE formulation of the liquid flow across the deformable porous medium in which finite strains are accounted is coupled with an updated Lagrangian scheme for the solid behaviour. Finally, thermo-chemical models are employed to account for the resin reticulation. Numerical tools have been developed and combined for the simulation of LRI and RFI processes. Numerical results have been compared with experimental test
Books on the topic "Matériaux poreux – Dynamique des fluides"
R, Pynn, Riste Tormod 1925-, and North Atlantic Treaty Organization. Scientific Affairs Division., eds. Time-dependent effects in disordered materials. New York: Plenum Press, 1987.
Find full text(Editor), Derek B. Ingham, and Ioan Pop (Editor), eds. Transport Phenomena in Porous Media III. Elsevier Science, 2005.
Find full text(Editor), Derek B. Ingham, and Ioan Pop (Editor), eds. Transport Phenomena in Porous Media III. Elsevier Science, 2005.
Find full text1945-, Drew Donald A., Joseph Daniel D, and Passman Stephen L, eds. Particulate flows: Processing and rheology. New York: Springer, 1998.
Find full text(Editor), Donald A. Drew, Daniel D. Joseph (Editor), and Stephen L. Passman (Editor), eds. Particulate Flows: Processing and Rheology (The IMA Volumes in Mathematics and its Applications). Springer, 1997.
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