1 edition of Nonaqueous electrokinetic transport in charged porous media theory and experiments found in the catalog.
Written in English
|Statement||by Christoforos C. Christoforou|
|The Physical Object|
|Pagination||x, 191 leaves :|
|Number of Pages||191|
For porous materials, all the components cannot be treated on a symmetric basis. A Lagrangian framework associated with deformation of the solid phase is introduced and, in this framework, Curie's principle is used to set up the form of the linear constitutive equations describing the transport of ions, water, and heat through the pore by: Wave Motion 39 () – Wave propagation in partially saturated porous media: simulation of a second slow wave José M. Carcionea,∗, Fabio Cavallinia, Juan E. Santosb, Claudia L. Ravazzolib, Patricia M. Gauzellinob a Istituto Nazionale di Oceanograﬁa e di Geoﬁsica Sperimentale (OGS), Borgo Grotta Gigante 42c, Sgonico, Trieste, Italy b .
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Understanding above-mentioned transport phenomena, experimental studies of them, and modeling them at different scales, as well as coping with the uncertainties that are inherent in such models, especially as a result of spatial heterogeneity, are the subject matter of the books included in Theory and Applications of Transport in Porous Media.
Electrokinetic transport in fluidic channels facilitates control and separation of ionic species. In nanometer-scale electrokinetic systems, Nonaqueous electrokinetic transport in charged porous media theory and experiments book electric double layer thickness is comparable to characteristic channel dimensions, and this results in nonuniform velocity profiles and strong electric fields transverse to the flow.
In such channels, streamwise and transverse Cited by: Theory and experimental studies for the electrokinetic transport of charged molecules through nanoslits has appeared in recent reviews [1,31,32]. Nonaqueous electrokinetic transport in charged porous media theory and experiments book Because of their omnipresent nature, porous media are studied to one degree or another in almost all branches of science and engineering.
This text is an outgrowth of a two-semester graduate course on multiscale porous media offered to students in applied math, physics, chemistry, engineering (civil, chemical, mechanical, agricultural), and Cited by: ELECTROKINETIC AND HYDRODYNAMIC TRANSPORT TROUGH POROUS MEDIA Proefschrift ter verkrijging van de graad van doctor aan de Technische Universiteit Eindhoven, op gezag van de rector magnificus, prof.
F.N. Hooge voor een commissie aangewezen door het college van dekanen in het openbaar te verdedigen opCited by: 4. Our understanding of nonaqueous phase liquid (NAPL) dissolution in the subsurface environment has been increasing rapidly over the past decade.
This knowledge has provided the basis for recent developments in the area of NAPL recovery, including cosolvent and surfactant flushing. Despite these advances toward feasible remediation technologies, there Cited by: The Physics of Fluids in Hierarchical Porous Media: Angstroms to Miles (Theory and Applications of Transport in Porous Media Book 10) - Kindle edition by John H.
Cushman. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading The Physics of Fluids in Hierarchical Porous Media: Angstroms.
solely to nanochannel transport effects. In this paper, we present an experimental investigation of electrokinetic transport in nanometer-scale channels with finite double layers.
We investigate the accuracy and extent of applica-tion of Gouy-Chapman-Stern continuum theory17 by making detailed comparisons between experiments and continuum theory. Electrokinetic Transport Nonaqueous electrokinetic transport in charged porous media theory and experiments book Nanochannels.
Theory Sumita Pennathur* and Juan G. Santiago Department of Mechanical Engineering, Stanford University, Stanford, California Electrokinetic transport in fluidic channels facilitates control and separation of ionic species.
In nanometer-scale electrokinetic systems, the electric double layer. The propagation of dense nonaqueous phase liquids (DNAPLs) in water‐saturated, homogeneous porous media was investigated.
The static distribution of DNAPL after gravity‐driven displacement was studied using a number of three‐dimensional spill experiments. Fingering intrinsic to the displacement systems was observed in all by: The outcomes of this study show the flexibility of the approach in simulating electrokinetic reactive transport processes in saturated porous media and highlight the importance of Coulombic.
Even so, some findings of general interest can be identified, such as a unifying theory of transport in soluble media, identification of new modes of wave propagation, methods of measuring fluid/fluid interfacial area, and a collection of modeling, theory and experiments demonstrating non-classical behavior in flow and transport with dispersion Cited by: An existing model of electrokinetic contaminant transport in porous media has been modified, and its predictions have been compared with the results of laboratory tests.
Previous models of electrokinetic transport have assumed aconstant, linear voltage gradient across the soil column for the entire length of time that the voltage is by: 1.
Introduction. In a recent paper, Nonaqueous electrokinetic transport in charged porous media theory and experiments book and Linde derived linear constitutive equations of transport for a multicomponent electrolyte saturating a porous material that undergoes reversible deformation.
They used the excess of electrical charge in the pore space to model electrokinetic processes, rather than the zeta potential, as traditionally done by most by: Heat and mass transfer in porous media; Structure of porous media; Deletion of nondominant effects in modelling transport in porous media; Hydrocarbons in porous media; Fluid flow in fractured rock: theory and application; Transport phenomena in frozen porous media; Phosphorus transport with water flow in acid, sandy soils; Thermohydraulics of heated porous media.
Abstract: We couple the Leaky Membrane Model, which describes the diffusion and electromigration of ions in a homogenized porous medium of fixed background charge, with Butler-Volmer reaction kinetics for flat electrodes separated by such a medium in a simple mathematical theory of voltammetry.
The model is illustrated for the prototypical case Author: Edwin Khoo, Martin Z. Bazant. Chatzis, I. and Dullien, F.A.L. () Application of the theory of percolation for a model of drainage in porous media and relative permeability of injected non‐wetting liquids.
Rev. Inst. Franc. Pet., 37, applied voltage or pressure,9,39 but relatively little is known about the nonlinear response of a porous medium to a large voltage (V ˛k BT=e = 26 mV at room temperature).In contrast to recent work on induced-charge electrokinetics in polarizable media,40,41 we focus on surfaces of (nearly) ﬁxed charge and report the ﬁrst experimental evidence that surface transport can Cited by: 1.
The electric conduction and electrophoresis of a suspension of charged porous spheres in an electrolyte solution with an arbitrary thickness of the electric double layers are analytically studied.
The porous particle can be a solvent-permeable and ion-penetrable polyelectrolyte molecule or charged floc with uniformly distributed frictional segments and fixed by: The Experimental and Theoretical Study of Fines Migration in Porous Media under Particle-rock Repulsion and Attraction 3 Particle Transport in Porous Media under Particle-Rock Repulsion: published in one book chapter, five journal papers and four SPE papers.
File Size: 5MB. A generalized treatment of gas transport in porous media is presented as developed on the basis of the ``dusty‐gas'' model, a model in which a porous medium is described as consisting of uniformly distributed, giant molecules (dust) held stationary in space.
The problem is broken down into a series of special cases which involve the various combinations of gradients in Cited by: The physics of flow through porous media. Adrian E. Scheidegger. flow channels flow equations flow through porous follows free surface function geometrical given grad gradient hydraulic radius theory hysteresis immiscible interface introduced investigations Kozeny equation Kozeny theory laminar flow linear Multiphase Flow and Transport.
We consider a charged porous material that is saturated bytwo fluid phases that are immiscible and continuous on the scale of arepresentative elementary volume. The wetting phase for the grains iswater and the nonwetting phase is assumed to be an electricallyinsulating viscous fluid.
We use a volume-averaging approach to derivethe linear constitutive equations for the Cited by: A model is presented for the diffusion of gases in porous media in the absence of pressure gradients, in which the porous medium is visualized as a collection of uniformly distributed ``dust'' particles which are constrained to be stationary.
By formally considering the dust particles as giant molecules, it is possible to derive all the desired results very simply from rigorous kinetic theory Cited by: Introduction Theory Comparison with experimentsConclusions Bacterial Chemotaxis in Porous Media: Theory Derivation and Comparison with Experiments Francisco J.
Valdes-Parada´ 1, Mark L. Porter2 and Brian D. Wood2 1Division de Ciencias B ´´asicas e Ingenier ıa, Universidad Aut´onoma Metropolitana-Iztapalapa, Mexico D.F., Mexico. The transport of ions in colloids, granular and consolidated porous media is important to a wide variety of environmental and engineering problems.
Typical examples are the transport of contaminants in marine sediments, the containment of hazardous waste in soils, ionic exchange in biological membranes and processes related to the durability of Cited by: 9.
The interplay of transport, electrochemistry, and precipitation is very complex and hard to study experimentally. In this work a multiscale modeling framework for the investigation of transport processes in porous GDEs for application in Li-O2 batteries was by: 4.
The analysis also applies to the particular case where the flow is loosely coupled to the transport, that is, the velocity field obtained from the flow is an input for the transport equation.
The flow is discretized by combinations of the continuous finite element method and the DG method whereas the discretization of the transport is done by a. CVEN Transport Phenomena in Porous Media / PETE Special Topics: Transport Phenomena in Porous Media. Class Syllabus and Rules. Catalog Description.
Transport phenomena in porous media with special emphasis on fundamentals and applications to various geo-environmental problems. Overview Lectures. A theory of compressional and shear wave propagation in consolidated porous media ~rocks.
is developed by extending ideas already introduced in connection with unconsolidated marine sediments. The consolidated material is treated as an elastic medium which exhibits a speciﬁc form of stress relaxation associated with grain boundaries and Cited by: Colloid: Short synonym for colloidal system.
Colloidal: State of subdivision such that the molecules or polymolecular particles dispersed in a medium have at least one dimension between approximately 1 nm and 1 μm, or that in a system discontinuities.
The quasi-static transport of an electrolyte solution through an electrically charged porous medium is an important and well-known multiscale problem in geosciences and porous materials modeling.
An N-component electrolyte solution is a dilute solution of Nspecies of charged particles, or ions, in a uid which saturates a rigid porous Size: KB. Experimental investigation of suspended particles transport through porous media: particle and grain size effect.
Liu Q(1), Cui X(1), Zhang C(1), Huang S(1). Author information: (1)a State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, People's Republic Cited by: flow rate in a porous media is proportional to the pressure gradient in the medium.
The constant of proportionality is called the permea-bilityandthe magnitudeis a function of the pure structure, which contents the porosity or fiber volume content. The validity and applicability of Darcy’s law have been questioned by many authors.
Jackson et. The Experimental and Theoretical Study of Fines Migration in Porous Media under Particle-rock Repulsion and Attraction Kaiser Aji A thesis submitted for the degree of Doctor of Philosophy (PhD) Australian School of Petroleum Faculty of Engineering, Computer & Mathematical Sciences The University of Adelaide October Cited by: 1.
View Transport Phenomena in Porous Media Research Papers on for free. ABSTRACT The standard procedure for determining the permeability of porous media according to APZ Code No. 27 (first edition, October ) is based on the fundamental assumption that, as long as the rate of flow is proportional to the pressure gradient, the permeability constant of a porous medium is a property of the medium, and is independent of the fluid used in its.
Analogous experiments in actual porous media showed similar features and confrm the ability of ferrofluid to move through, porous media by magnetic forces. The experiments reported on here support the concept of using ferrofluids to aid in the precise placement of Cited by: 1.
Liu, S. Zhao, and J. Wu, “A site density functional theory for water: Application to solvation of amino acid side chains”, Journal of Chemical Theory. Abstract Book The 82nd ACS Colloid and Surface Science Symposium Page 1 of Plenary Lecture I: Prof. Eric Kaler Presider: Orlin D.
Velev North Carolina State University, Raleigh, NC Presider: Peter K. Kilpatrick University of Notre Dame, Notre Dame, IN 1.
Micellar Networks - Implications for Rheology and Biology Eric W. Kaler, Stony Brook University, Stony Brook, NYFile Size: 1MB. Transport and remediation of subsurface contaminants: introduction / Robert C.
Knox and Pdf A. Sabatini --Colloid deposition in porous media and an evaluation of bed-media cleaning techniques / T.M. Olson and G.M. Litton --Deposition of colloids in porous media: theory and numerical solution / Menachem Elimelech and Lianfa Song Flow and Transport Through Porous Media I Chem.
Eng. Geology, Chemistry, and Physics of Fluid Transport Instructor: G. J. Hirasaki Chapter 1 Subsurface Macro Structure Depositional environments Alterations Chapter 2 Subsurface Micro Structure Rock and soil minerals Diagenesis Morphology of the pore space Mineral surface chemistry.() () ebook p D A Q D A Q g L p 2 3 2 3 2 ebook 1 − + − = ∆ ρ ε ε µ ε ε (3) where ε is the fractional void volume in the bed and Dp is the effective diameter of particles .
From (3) a modified Reynolds (Re’) number can be defined µ εFile Size: KB.