Solid-fluid Interactions in Porous Media

Solid-fluid Interactions in Porous Media PDF

Author: Einat Aharonov

Publisher:

Published: 1996

Total Pages: 154

ISBN-13:

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This thesis studies how rocks evolve due to the coupled effects of flow and chemical reaction. The study was motivated by various experimental observations, both in igneous and sedimentary rocks. In the first part of this thesis, growth of microscopic, pore-scale, features in sedimentary rocks is theoretically investigated. It is found, in agreement with experiments, that statistical properties of pore-grain interfaces mirror growth conditions. The shapes of pore-grain intrefaces both influence and are influenced by large-scale transport properties of the rock. The second part of this thesis employs analytical methods to study flow patterns in melt upwelling beneath mid-ocean ridges. It is shown that high permeability channels spontaneously form, allowing for efficient extraction of melt from the system. This result may aid in understanding existing geochemical and geological observations. In the third part of this thesis, I present a new 3D computer model that simulates flow and reaction through a porous matrix. The model is used to study and compare the different characteristics of dissolution and deposition, and to simulate different settings for melt upwelling in the mantle.

Porous Media Fluid Transport and Pore Structure

Porous Media Fluid Transport and Pore Structure PDF

Author: F Dullien

Publisher: Elsevier

Published: 2012-12-02

Total Pages: 417

ISBN-13: 0323151353

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Porous Media: Fluid Transport and Pore Structure presents relevant data on the role of pore structure in terms of transport phenomena in pore spaces. The information is then applied to the interpretation of various experiments and results of model calculations. This book emphasizes the discussion of ""flow through porous media"" in terms of interactions among the three main factors. These factors are transport phenomena, interfacial effects, and pore structure. An introductory chapter opens the text and presents some of the basic concepts and terms that will be encountered all throughout. Chapters 2 to 4 focus on the important foundations of the physical phenomena as applied in the pore space of porous media. These foundations are capillarity, pore structure, and single phase flow and diffusion. Chapters 5 to 7 discuss more in detail the different applications of pore structure to various operations and processes. Some of the concepts covered in this part of the book include flow and/or diffusion through a porous medium, simultaneous flow of immiscible fluids and immiscible displacement, and miscible displacement and hydrodynamic dispersion. This book is a good reference to students, scientists, and engineers in the field of chemistry, physics, and biology.

Nonlinear Elasticity and Hysteresis

Nonlinear Elasticity and Hysteresis PDF

Author: Alicia H. Kim

Publisher: John Wiley & Sons

Published: 2015-03-09

Total Pages: 226

ISBN-13: 3527333029

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The book provides the reader with the knowledge, tools, and methods to understand the phenomenon of hysteresis in porous materials. As many challenges have been met only recently, the book summarizes the research results usually found only scattered in the literature, connecting knowledge from traditionally separated research fields to provide a better understanding of the physical phenomena of coupled elastic-fluid systems. The result is an invaluable self-contained reference book for materials scientists, civil, mechanical and construction engineers concerned with development and maintenance of structures made of porous materials.

Multiscale Fluid-solid Interaction in Deformable Porous Media

Multiscale Fluid-solid Interaction in Deformable Porous Media PDF

Author: Samuel A. Fagbemi

Publisher:

Published: 2020

Total Pages: 180

ISBN-13:

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The study of the interaction between rocks and residing fluids is an important field of research in hydrology, geomechanics, and energy resources. Geomechanical systems undergo deformation due to gravitational loading and plate tectonic activities. Deformation could also occur due to changes in pore pressure resulting from fluid injection and production. Such natural and human-controlled events tend to alter the hydro-mechanical equilibrium depending on the morphology, stress history, and fluids present. The in-situ characterization and description of such complex interactions is hence a non-trivial task demanding the interlinking of different physical phenomena. In this dissertation, therefore, we present a fluid-solid interaction (FSI) problem for a porous medium which undergoes finite deformation at the pore-scale. The upscaled response for such a system is consistent with the non-linear Biot theory. We then apply the FSI model for examining the role of microstructure and effective stress in permeability alteration. Furthermore, we introduce a framework for studying the interaction between multiphase flow and solids coupled with adhesion effects where the role of surface tension forces in deformation is investigated. The results indicate the deformation for Berea sandstone saturated with a two-phase fluid is minuscule and depends primarily on the elastocapillary length of the medium. Furthermore, uniaxial and triaxial stresses were applied normal to the surface of the solid skeleton during drainage and imbibition events, and for all cases, a reduction in relative permeability of oil was observed, implying stress conditions did not produce a positive shift in the relative permeability of oil.

The Molecular Theory of Adsorption in Porous Solids

The Molecular Theory of Adsorption in Porous Solids PDF

Author: Yury Konstantinovich Tovbin

Publisher: CRC Press

Published: 2017-10-17

Total Pages: 571

ISBN-13: 135164971X

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In the adsorption phenomenon the substances from the external environment the gas or liquid are absorbed by a solid surface (adsorbent). Adsorption is used to separate gaseous and liquid mixtures, for drying and purification of gases and liquids. This reference broadly explores the calculation of the equilibrium and dynamic characteristics of adsorption in porous bodies at the molecular level. Two new theories of statistical physics are presented, both developed by the author for the consistent description of the equilibrium distribution of molecules and dynamics of flows in complex porous materials to be able to solve a wide range of practical tasks in the development of new technologies.

Fluid-Solid Interaction Dynamics

Fluid-Solid Interaction Dynamics PDF

Author: Jing Tang Xing

Publisher: Academic Press

Published: 2019-08-30

Total Pages: 680

ISBN-13: 0128193530

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Fluid-Solid Interaction Dynamics: Theory, Variational Principles, Numerical Methods and Applications gives a comprehensive accounting of fluid-solid interaction dynamics, including theory, numerical methods and their solutions for various FSI problems in engineering. The title provides the fundamental theories, methodologies and results developed in the application of FSI dynamics. Four numerical approaches that can be used with almost all integrated FSI systems in engineering are presented. Methods are linked with examples to illustrate results. In addition, numerical results are compared with available experiments or numerical data in order to demonstrate the accuracy of the approaches and their value to engineering applications. The title gives readers the state-of-the-art in theory, variational principles, numerical modeling and applications for fluid-solid interaction dynamics. Readers will be able to independently formulate models to solve their engineering FSI problems using information from this book. Presents the state-of-the-art in fluid-solid interaction dynamics, providing theory, method and results Takes an integrated approach to formulate, model and simulate FSI problems in engineering Illustrates results with concrete examples Gives four numerical approaches and related theories that are suitable for almost all integrated FSI systems Provides the necessary information for bench scientists to independently formulate, model, and solve physical FSI problems in engineering

Porous Media: Theory and Experiments

Porous Media: Theory and Experiments PDF

Author: Reint de Boer

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 331

ISBN-13: 9401145792

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The EUROMECH Colloquium 366, 'Porous Media - Theory and Experiments' was held at the Bildungszentrum fiir die Entsorgungs-und Wasserwirtschaft GmbH B·E·W, Essen, Germany, from 23 to 27 June 1997. The goal of EUROMECH 366 was the presentation of recent findings in the macroscopic porous media theory (mixture theory restricted by the volume fraction concept) concerning general concepts and special investigations in the theoretical as well as the experimental field. Herein, numerical results requiring new solution strategies were also to be included. Moreover, foundations of fundamental state ments in the macroscopic porous media theory (e.g. the effective stress principle for incompressible and compressible constituents by micromechanic investigations) were welcome. Emphasis was placed upon the need to bring together scientists from various branches where porous media theories playa dominant role, namely from theoretical mechanics, agriculture, biomechanics, chemical engineering, geophysics and soil mechanics as well as from petroleum energy and environmental engineering. More than 80 people from 12 different countries expressed their interest in the Colloquium, and finally, 58 took part in the meeting presenting 42 papers. Among the talks were seven principal lectures given by leading scientists in the a.m. fields invited by the organizers. As Chairman of EUROMECH 366, I would like to thank the co-chairmen and all of my co-workers from the Institute of Mechanics, FB 10, University of Essen, for their help in organizing the Colloquium, in particular, Dr.-Ing. W. Walther, Priv.-Doz.

Dynamics of Fluids in Porous Media

Dynamics of Fluids in Porous Media PDF

Author: Jacob Bear

Publisher: Courier Corporation

Published: 2013-02-26

Total Pages: 802

ISBN-13: 0486131807

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This classic work by one of the world's foremost hydrologists presents a topic encountered in the many fields of science and engineering where flow through porous media plays a fundamental role. It is the standard work in the field, designed primarily for advanced undergraduate and graduate students of ground water hydrology, soil mechanics, soil physics, drainage and irrigation engineering, and petroleum and chemical engineering. It is highly recommended as well for scientists and engineers already working in these fields. Throughout this generously illustrated, richly detailed study, which includes a valuable section of exercises and answers, the emphasis is on understanding the phenomena occurring in porous media and on their macroscopic description. The book's chapter titles reveal its comprehensive coverage: Introduction, Fluids and Porous Matrix Properties, Pressures and Piezometric Head, The Fundamental Fluid Transport Equations in Porous Media, The Equation of Motion of a Homogeneous Fluid, Continuity and Conservation Equations for a Homogeneous Fluid, Solving Boundary and Initial Value Problems, Unconfined Flow and the Dupuit Approximation, Flow of Immiscible Fluids, Hydrodynamic Dispersion, and Models and Analogs. "Systematic and comprehensive . . . a book that satisfies the highest standards of excellence. . . . Will undoubtedly become the standard reference in this field." — R. Allen Freeze, IBM Thomas J. Watson Research Center, Water Resources Research.

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