Diffusion In Natural Porous Media

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Diffusion in Natural Porous Media

Author : Peter Grathwohl
Publisher : Springer Science & Business Media
ISBN 13 : 146155683X
Total Pages : 198 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Diffusion in Natural Porous Media by : Peter Grathwohl

Download or read book Diffusion in Natural Porous Media written by Peter Grathwohl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics introduces the general principles of diffusion in the subsurface environment and discusses the implications for the fate and transport of contaminants in soils and groundwater. Emphasis is placed on sorption/desorption and the dissolution kinetics of organic contaminants, both of which are limited by the slow speed of molecular diffusion. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics compiles methods for calculating the diffusion coefficients of organic compounds (in aqueous solution or vapor phase) in natural porous media. The author uses analytical solutions of Fick's 2nd law and some simple numerical models to model diffusive transport under various initial and boundary conditions. A number of these models may be solved using spreadsheets. The book examines sorption/desorption rates of organic compounds in various soils and aquifer materials, and also examines the dissolution kinetics of nonaqueous phase liquids in aquifers, in both the trapped residual phase and in pools. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics concludes with a discussion of the impact of slow diffusion processes on soil and groundwater decontamination and the implications of these processes for groundwater risk assessment.

Diffusion and Flow Investigations in Natural Porous Media by Nuclear Magnetic Resonance

Author : Natascha Spindler
Publisher :
ISBN 13 : 9783893367191
Total Pages : 144 pages
Book Rating : 4.3/5 (671 download)

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Book Synopsis Diffusion and Flow Investigations in Natural Porous Media by Nuclear Magnetic Resonance by : Natascha Spindler

Download or read book Diffusion and Flow Investigations in Natural Porous Media by Nuclear Magnetic Resonance written by Natascha Spindler and published by . This book was released on 2011 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diffusion in Gases and Porous Media

Author : Roberto Cunningham
Publisher :
ISBN 13 : 9781475749847
Total Pages : 300 pages
Book Rating : 4.7/5 (498 download)

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Book Synopsis Diffusion in Gases and Porous Media by : Roberto Cunningham

Download or read book Diffusion in Gases and Porous Media written by Roberto Cunningham and published by . This book was released on 2014-01-15 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diffusion in Random Fields

Author : Nicolae Suciu
Publisher : Springer
ISBN 13 : 303015081X
Total Pages : 267 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Diffusion in Random Fields by : Nicolae Suciu

Download or read book Diffusion in Random Fields written by Nicolae Suciu and published by Springer. This book was released on 2019-05-31 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents, in an accessible and self-consistent way, the theory of diffusion in random velocity fields, together with robust numerical simulation approaches. The focus is on transport processes in natural porous media, with applications to contaminant transport in groundwater. Starting from basic information on stochastic processes, more challenging issues are subsequently addressed, such as the correlation structure of the diffusion process in random fields, the relation between memory effects and ergodic properties, derivation and parameterizations of evolution equations for probability densities, and the relation between measurements and spatio-temporal upscaling. Written for readers with a background in applied mathematics, engineering, physics or geophysics, the book offers an essential basis for further research in the stochastic modeling of groundwater systems.

Gas Transport in Porous Media

Author : Clifford K. Ho
Publisher : Springer Science & Business Media
ISBN 13 : 140203962X
Total Pages : 442 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Gas Transport in Porous Media by : Clifford K. Ho

Download or read book Gas Transport in Porous Media written by Clifford K. Ho and published by Springer Science & Business Media. This book was released on 2006-10-07 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: CLIFFORD K. HOAND STEPHEN W. WEBB Sandia National Laboratories, P. O. Box 5800, Albuquerque, NM 87185, USA Gas and vapor transport in porous media occur in a number of important applications includingdryingofindustrialandfoodproducts,oilandgasexploration,environm- tal remediation of contaminated sites, and carbon sequestration. Understanding the fundamental mechanisms and processes of gas and vapor transport in porous media allows models to be used to evaluate and optimize the performance and design of these systems. In this book, gas and vapor are distinguished by their available states at stan- ? dard temperature and pressure (20 C, 101 kPa). If the gas-phase constituent can also exist as a liquid phase at standard temperature and pressure (e. g. , water, ethanol, toluene, trichlorothylene), it is considered a vapor. If the gas-phase constituent is non-condensable at standard temperature and pressure (e. g. , oxygen, carbon di- ide, helium, hydrogen, propane), it is considered a gas. The distinction is important because different processes affect the transport and behavior of gases and vapors in porous media. For example, mechanisms specific to vapors include vapor-pressure lowering and enhanced vapor diffusion, which are caused by the presence of a g- phase constituent interacting with its liquid phase in an unsaturated porous media. In addition, the “heat-pipe” exploits isothermal latent heat exchange during evaporation and condensation to effectively transfer heat in designed and natural systems.

Diffusion in Natural Porous Media

Author : Peter Grathwohl
Publisher : Springer
ISBN 13 : 9780792381020
Total Pages : 207 pages
Book Rating : 4.3/5 (81 download)

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Book Synopsis Diffusion in Natural Porous Media by : Peter Grathwohl

Download or read book Diffusion in Natural Porous Media written by Peter Grathwohl and published by Springer. This book was released on 1998-02-28 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics introduces the general principles of diffusion in the subsurface environment and discusses the implications for the fate and transport of contaminants in soils and groundwater. Emphasis is placed on sorption/desorption and the dissolution kinetics of organic contaminants, both of which are limited by the slow speed of molecular diffusion. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics compiles methods for calculating the diffusion coefficients of organic compounds (in aqueous solution or vapor phase) in natural porous media. The author uses analytical solutions of Fick's 2nd law and some simple numerical models to model diffusive transport under various initial and boundary conditions. A number of these models may be solved using spreadsheets. The book examines sorption/desorption rates of organic compounds in various soils and aquifer materials, and also examines the dissolution kinetics of nonaqueous phase liquids in aquifers, in both the trapped residual phase and in pools. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics concludes with a discussion of the impact of slow diffusion processes on soil and groundwater decontamination and the implications of these processes for groundwater risk assessment.

Advances in Transport Phenomena in Porous Media

Author : Jacob Bear
Publisher : Springer Science & Business Media
ISBN 13 : 9400936257
Total Pages : 1018 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Advances in Transport Phenomena in Porous Media by : Jacob Bear

Download or read book Advances in Transport Phenomena in Porous Media written by Jacob Bear and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the lectures presented at the NATO ADVANCED STUDY INSTITUTE that took place at Newark, Delaware, U. S. A. , July 14-23, 1985. The objective of this meeting was to present and discuss selected topics associated with transport phenomena in porous media. By their very nature, porous media and phenomena of transport of extensive quantities that take place in them, are very complex. The solid matrix may be rigid, or deformable (elastically, or following some other constitutive relation), the void space may be occupied by one or more fluid phases. Each fluid phase may be composed of more than one component, with the various components capable of interacting among themselves and/or with the solid matrix. The transport process may be isothermal or non-isothermal, with or without phase changes. Porous medium domains in which extensive quantities, such as mass of a fluid phase, component of a fluid phase, or heat of the porous medium as a whole, are being transported occur in the practice in a variety of disciplines.

Porous Media Transport Phenomena

Author : Faruk Civan
Publisher : John Wiley & Sons
ISBN 13 : 1118086805
Total Pages : 443 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis Porous Media Transport Phenomena by : Faruk Civan

Download or read book Porous Media Transport Phenomena written by Faruk Civan and published by John Wiley & Sons. This book was released on 2011-07-18 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book that makes transport in porous media accessible to students and researchers alike Porous Media Transport Phenomena covers the general theories behind flow and transport in porous media a solid permeated by a network of pores filled with fluid which encompasses rocks, biological tissues, ceramics, and much more. Designed for use in graduate courses in various disciplines involving fluids in porous materials, and as a reference for practitioners in the field, the text includes exercises and practical applications while avoiding the complex math found in other books, allowing the reader to focus on the central elements of the topic. Covering general porous media applications, including the effects of temperature and particle migration, and placing an emphasis on energy resource development, the book provides an overview of mass, momentum, and energy conservation equations, and their applications in engineered and natural porous media for general applications. Offering a multidisciplinary approach to transport in porous media, material is presented in a uniform format with consistent SI units. An indispensable resource on an extremely wide and varied topic drawn from numerous engineering fields, Porous Media Transport Phenomena includes a solutions manual for all exercises found in the book, additional questions for study purposes, and PowerPoint slides that follow the order of the text.

Heat and Mass Transfer in Porous Media

Author : Michel Quintard
Publisher : Elsevier Publishing Company
ISBN 13 :
Total Pages : 846 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Heat and Mass Transfer in Porous Media by : Michel Quintard

Download or read book Heat and Mass Transfer in Porous Media written by Michel Quintard and published by Elsevier Publishing Company. This book was released on 1992 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent developments in the theoretical and practical problems of porous media physics are reviewed in this volume. The main emphasis is on the interdisciplinary nature of transport phenomena in porous media study. State-of-the-art reviews and descriptions of innovative research in progress are reported. A broad spectrum of problems and techniques related to porous media physics is presented. Fundamental questions currently under investigation provide a unifying theme in this volume, helping the reader to understand the problems and research trends in the field. The first part focuses on general problems and techniques. Phenomenological aspects of averaging techniques, the hierarchy of scales that are involved in real porous media and the related scaling problems of multiphase, multicomponent transport phenomena are examined with the emphasis on providing the basic scientific background for a variety of applications. Sometimes, theory comes very close to applications, and occasionally they diverge. This timely treatise demonstrates that both is now the case in porous media physics. This volume will prove an indispensable reference source for all those interested in resolving discrepancies through innovative research work, and inspiring new advances in the field.

Diffusion in Gases and Porous Media

Author : Roberto Cunningham
Publisher : Springer
ISBN 13 :
Total Pages : 308 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Diffusion in Gases and Porous Media by : Roberto Cunningham

Download or read book Diffusion in Gases and Porous Media written by Roberto Cunningham and published by Springer. This book was released on 1980-11 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world we live in exhibits, on different scales, many phenomena related to the diffusion of gases. Among them are the movement of gases in earth strata, the aeration of soils, the drying of certain materials, some catalytic reactions, purification by adsorption, isotope separation, column chro matography, cooling of nuclear reactors, and the permeability of various packing materials. The evolution of the understanding of this subject has not always been straightforward and progressive-there has been much confusion and many doubts and misunderstandings, some of which remain to this day. The main reason for the difficulties in the development of this subject is, we now know, the lack of an understanding of the effects of walls on diffusing systems. Textbooks usually treat diffusion on two levels: at the physicochemi cal or molecular level, making use of the kinetic theory of gases (which while a very rigorous and well-founded theory nevertheless is valid only for systems without walls), or at the level of a transport phenomenon, a level geared toward applications. The influence of walls is usually disregarded or is treated very briefly (for example, by taking account of the Knudsen regime or by introducing a transition regime of limited validity) in a way unconnected with previous studies. As a consequence, the extensive, gener alized, and well-founded knowledge of systems without walls has often been applied without sound basis to real situations, i.e., to systems with walls.

Theory and Simulation of Diffusion Processes in Porous Media

Author : Eric Matthew Labolle
Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.:/5 (59 download)

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Book Synopsis Theory and Simulation of Diffusion Processes in Porous Media by : Eric Matthew Labolle

Download or read book Theory and Simulation of Diffusion Processes in Porous Media written by Eric Matthew Labolle and published by . This book was released on 1999 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Advection-diffusion Theory of Contaminant Transport for Stratified Porous Media [microform]

Author : Edward Allan Sudicky
Publisher : National Library of Canada
ISBN 13 : 9780315135024
Total Pages : pages
Book Rating : 4.1/5 (35 download)

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Book Synopsis An Advection-diffusion Theory of Contaminant Transport for Stratified Porous Media [microform] by : Edward Allan Sudicky

Download or read book An Advection-diffusion Theory of Contaminant Transport for Stratified Porous Media [microform] written by Edward Allan Sudicky and published by National Library of Canada. This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Porous Media

Author : Kambiz Vafai
Publisher : CRC Press
ISBN 13 : 0824741501
Total Pages : 927 pages
Book Rating : 4.8/5 (247 download)

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Book Synopsis Handbook of Porous Media by : Kambiz Vafai

Download or read book Handbook of Porous Media written by Kambiz Vafai and published by CRC Press. This book was released on 2000-07-12 with total page 927 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Presents the most important and up-to-date research related to heat transfer in porous media, focusing on practical applications of the latest studies to engineering products and procedures. Includes theoretical models of fluid flow, capillary effects, application of fractal and percolation characterizing porous materials, multiphase flow and heat transfer, turbulent flow and heat transfer, improved measurement and flow visualization techniques, and enhanced design correlations."

Convection in Porous Media

Author : Donald A. Nield
Publisher : Springer
ISBN 13 : 3319495623
Total Pages : 988 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Convection in Porous Media by : Donald A. Nield

Download or read book Convection in Porous Media written by Donald A. Nield and published by Springer. This book was released on 2017-03-15 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated edition of a widely admired text provides a user-friendly introduction to the field that requires only routine mathematics. The book starts with the elements of fluid mechanics and heat transfer, and covers a wide range of applications from fibrous insulation and catalytic reactors to geological strata, nuclear waste disposal, geothermal reservoirs, and the storage of heat-generating materials. As the standard reference in the field, this book will be essential to researchers and practicing engineers, while remaining an accessible introduction for graduate students and others entering the field. The new edition features 2700 new references covering a number of rapidly expanding fields, including the heat transfer properties of nanofluids and applications involving local thermal non-equilibrium and microfluidic effects.

Characterization of Porous Solids

Author : H. Kral
Publisher : Elsevier
ISBN 13 : 0080960731
Total Pages : 658 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Characterization of Porous Solids by : H. Kral

Download or read book Characterization of Porous Solids written by H. Kral and published by Elsevier. This book was released on 1988-04-01 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of porosity has long been recognized by scientists and engineers. Porous solids are widely encountered in industry and everyday life and their behaviour, e.g. chemical reactivity, adsorptive capacity, and catalytic activity is dependent on their pore structure. A considerable amount of work on porous solids has been undertaken both in academic and in industrial laboratories. However, all this activity is in urgent need of a critical appraisal. To undertake this task, a number of leading experts in the field of adsorption, porosimetry, X-ray and neutron scattering, optical and electron microscopy, calorimetry and fluid permeation, were brought together at the 1987 IUPAC (COPS I) Symposium.This proceedings volume provides an up-to-date overall review of the theoretical foundations for modelling and characterizing porous systems. It deals with most of the techniques in current use as applied to both model systems and porous solids of industrial importance. The reader will find the description and discussion of a number of novel techniques as well as a critical appraisal and comparison of the more established methods. All those concerned with the characterization of porous solids in academic and industrial laboratories will find much to interest them in this volume. It should be on the bookshelf of applied research centres involved in adsorption, catalysis, purification of gases and liquids, pigments, fillers, building materials, etc.

Water Pollution in Natural Porous Media at Different Scales

Author : L. Candela
Publisher : IGME
ISBN 13 : 9788478406760
Total Pages : 780 pages
Book Rating : 4.4/5 (67 download)

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Book Synopsis Water Pollution in Natural Porous Media at Different Scales by : L. Candela

Download or read book Water Pollution in Natural Porous Media at Different Scales written by L. Candela and published by IGME. This book was released on 2007 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fluid Flow In Porous Media: Fundamentals And Applications

Author : Liang Xue
Publisher : World Scientific
ISBN 13 : 9811219540
Total Pages : 408 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Fluid Flow In Porous Media: Fundamentals And Applications by : Liang Xue

Download or read book Fluid Flow In Porous Media: Fundamentals And Applications written by Liang Xue and published by World Scientific. This book was released on 2020-09-24 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Processes of flow and displacement of multiphase fluids through porous media occur in many subsurface systems and have found wide applications in many scientific, technical, and engineering fields. This book focuses on the fundamental theory of fluid flow in porous media, covering fluid flow theory in classical and complex porous media, such as fractured porous media and physicochemical fluid flow theory. Key concepts are introduced concisely and derivations of equations are presented logically. Solutions of some practical problems are given so that the reader can understand how to apply these abstract equations to real world situations. The content has been extended to cover fluid flow in unconventional reservoirs. This book is suitable for senior undergraduate and graduate students as a textbook in petroleum engineering, hydrogeology, groundwater hydrology, soil sciences, and other related engineering fields.