A Pore Scale Experiment To Evaluate Enhanced Vapor Diffusion In Porous Media

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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.

Pore Scale Geochemical Processes

Author : Carl Steefel
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 1501502077
Total Pages : 496 pages
Book Rating : 4.5/5 (15 download)

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Book Synopsis Pore Scale Geochemical Processes by : Carl Steefel

Download or read book Pore Scale Geochemical Processes written by Carl Steefel and published by Walter de Gruyter GmbH & Co KG. This book was released on 2015-09-25 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This RiMG (Reviews in Mineralogy & Geochemistry) volume includes contributions that review experimental, characterization, and modeling advances in our understanding of pore-scale geochemical processes. The volume had its origins in a special theme session at the 2015 Goldschmidt Conference in Prague. From a diversity of pore-scale topics that ranged from multi-scale characterization to modeling, this work summarizes the state-of-the-science in this subject. Topics include: modification of thermodynamics and kinetics in small pores. chemo-mechanical processes and how they affect porosity evolution in geological media. small angle neutron scattering (SANS) techniques. how isotopic gradients across fluid–mineral boundaries can develop and how these provide insight into pore-scale processes. Information on an important class of models referred to as "pore network" and much more. The material in this book is accessible for graduate students, researchers, and professionals in the earth, material, environmental, hydrological, and biological sciences. The pore scale is readily recognizable to geochemists, and yet in the past it has not received a great deal of attention as a distinct scale or environment that is associated with its own set of questions and challenges. Is the pore scale merely an environment in which smaller scale (molecular) processes aggregate, or are there emergent phenomena unique to this scale? Is it simply a finer-grained version of the "continuum" scale that is addressed in larger-scale models and interpretations? The scale is important because it accounts for the pore architecture within which such diverse processes as multi-mineral reaction networks, microbial community interaction, and transport play out, giving rise to new geochemical behavior that might not be understood or predicted by considering smaller or larger scales alone.

Mass Transfer Driven Evaporation From Capillary Porous Media

Author : Rui Wu
Publisher : CRC Press
ISBN 13 : 1000763676
Total Pages : 236 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis Mass Transfer Driven Evaporation From Capillary Porous Media by : Rui Wu

Download or read book Mass Transfer Driven Evaporation From Capillary Porous Media written by Rui Wu and published by CRC Press. This book was released on 2022-11-09 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass Transfer–Driven Evaporation from Capillary Porous Media offers a comprehensive review of mass transfer–driven drying processes in capillary porous media, including pore-scale and macro-scale experiments and models. It covers kinetics of drying of a single pore, pore-scale experiments and models, macro-scale experiments and models, and understanding of the continuum model from pore-scale studies. The book: Explains the detailed transport processes in porous media during drying. Introduces cutting-edge visualization experiments of drying in porous media. Describes the pore network models of drying in porous media. Discusses the continuum models of drying in porous media based on pore-scale studies. Points out future research opportunities. Aimed at researchers, students and practicing engineers, this work provides vital fundamental and applied information to those working in drying technology, food processes, applied energy, and mechanical and chemical engineering.

Coupled Dynamics in Soil

Author : Yijian Zeng
Publisher : Springer Science & Business Media
ISBN 13 : 3642340733
Total Pages : 175 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Coupled Dynamics in Soil by : Yijian Zeng

Download or read book Coupled Dynamics in Soil written by Yijian Zeng and published by Springer Science & Business Media. This book was released on 2012-12-14 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: In arid and semi-arid areas, the main contributions to land surface processes are precipitation, surface evaporation and surface energy balancing. In the close-to-surface layer and root-zone layer, vapor flux is the dominant flux controlling these processes - process which, in turn, influence the local climate pattern and the local ecosystem. The work reported in this thesis attempts to understand how the soil airflow affects the vapor transport during evaporation processes, by using a two-phase heat and mass transfer model. The necessity of including the airflow mechanism in land surface process studies is discussed and highlighted.

New Mexico Geology

Author :
Publisher :
ISBN 13 :
Total Pages : 396 pages
Book Rating : 4.:/5 (327 download)

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Book Synopsis New Mexico Geology by :

Download or read book New Mexico Geology written by and published by . This book was released on 2000 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spring Meeting

Author : American Geophysical Union. Meeting
Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.6/5 (238 download)

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Book Synopsis Spring Meeting by : American Geophysical Union. Meeting

Download or read book Spring Meeting written by American Geophysical Union. Meeting and published by . This book was released on 2001 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modern Magnetic Resonance

Author : Graham A. Webb
Publisher : Springer Science & Business Media
ISBN 13 : 1402039107
Total Pages : 1889 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Modern Magnetic Resonance by : Graham A. Webb

Download or read book Modern Magnetic Resonance written by Graham A. Webb and published by Springer Science & Business Media. This book was released on 2007-05-26 with total page 1889 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive collection of the applications of Nuclear Magnetic Resonance (NMR), Magnetic Resonance Imaging (MRI) and Electron-Spin Resonance (ESR). Covers the wide ranging disciplines in which these techniques are used: * Chemistry; * Biological Sciences; * Pharmaceutical Sciences; * Medical uses; * Marine Science; * Materials Science; * Food Science. Illustrates many techniques through the applications described, e.g.: * High resolution solid and liquid state NMR; * Low resolution NMR, especially important in food science; * Solution State NMR, especially important in pharmaceutical sciences; * Magnetic Resonance Imaging, especially important for medical uses; * Electron Spin Resonance, especially important for spin-labelling in food, marine and medical studies.

Equilibrium and Transfer in Porous Media 3

Author : Jean-François Daïan
Publisher : John Wiley & Sons
ISBN 13 : 1118931297
Total Pages : 277 pages
Book Rating : 4.1/5 (189 download)

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Book Synopsis Equilibrium and Transfer in Porous Media 3 by : Jean-François Daïan

Download or read book Equilibrium and Transfer in Porous Media 3 written by Jean-François Daïan and published by John Wiley & Sons. This book was released on 2014-04-16 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Equilibrium and Transfer in Porous Media 3 A porous medium is composed of a solid matrix and its geometrical complement: the pore space. This pore space can be occupied by one or more fluids. The understanding of transport phenomena in porous media is a challenging intellectual task. This book provides a detailed analysis of the aspects required for the understanding of many experimental techniques in the field of porous media transport phenomena. It is aimed at students or engineers who may not be looking specifically to become theoreticians in porous media, but wish to integrate knowledge of porous media with their previous scientific culture, or who may have encountered them when dealing with a technological problem. While avoiding the details of the more mathematical and abstract developments of the theories of macroscopization, the author gives as accurate and rigorous an idea as possible of the methods used to establish the major laws of macroscopic behavior in porous media. He also illustrates the constitutive laws and equations by demonstrating some of their classical applications. The priority is to put the constitutive laws in concrete circumstances without going into technical detail. This third volume in the three-volume series focuses on the applications of isothermal transport and coupled transfers in porous media.

Annual Reports on NMR Spectroscopy

Author :
Publisher : Elsevier
ISBN 13 : 0080490433
Total Pages : 301 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Annual Reports on NMR Spectroscopy by :

Download or read book Annual Reports on NMR Spectroscopy written by and published by Elsevier. This book was released on 2003-06-25 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear magnetic resonance (NMR) is an analytical tool used by chemists and physicians to study the structure and dynamics of molecules. In recent years, no other technique has grown to such importance as NMR spectroscopy. It is used in all branches of science where precise structural determination is required and where the nature of interactions and reactions in solution is being studied.Annual Reports on NMR has established itself as a premier means for the specialist and nonspecialist alike to become familiar with new techniques and applications of NMR spectroscopy. Volume 49 continues the tradition with contributions on: novel applications of dynamic NMR in organic chemistry; principles and unconventional aspects of NMR diffusometry; density functional theory and its application to NMR sheilding constants; NMR studies of lac operator lac repressor; and intramolecular interactions of polyethers and polysulphides, investigated by NMR, Ab Initio molecular orbital calculations and the rotational isomeric state scheme.- Includes comprehensive review articles on NMR Spectroscopy - NMR is used in all branches of science - No other technique has grown to such importance as NMR Spectroscopy in recent years

Capillary transport processes in porous materials - experiment and model

Author : Nicolas Fries
Publisher : Cuvillier Verlag
ISBN 13 : 3736935072
Total Pages : 190 pages
Book Rating : 4.7/5 (369 download)

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Book Synopsis Capillary transport processes in porous materials - experiment and model by : Nicolas Fries

Download or read book Capillary transport processes in porous materials - experiment and model written by Nicolas Fries and published by Cuvillier Verlag. This book was released on 2010-09-29 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Principles of Soft-Matter Dynamics

Author : Rainer Kimmich
Publisher : Springer Science & Business Media
ISBN 13 : 9400755368
Total Pages : 670 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Principles of Soft-Matter Dynamics by : Rainer Kimmich

Download or read book Principles of Soft-Matter Dynamics written by Rainer Kimmich and published by Springer Science & Business Media. This book was released on 2012-12-30 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical applications of soft-matter dynamics are of vital importance in material science, chemical engineering, biophysics and biotechnology, food processing, plastic industry, micro- and nano-system technology, and other technologies based on non-crystalline and non-glassy materials. Principles of Soft-Matter Dynamics. Basic Theories, Non-invasive Methods, Mesoscopic Aspects covers fundamental dynamic phenomena such as diffusion, relaxation, fluid dynamics, normal modes, order fluctuations, adsorption and wetting processes. It also elucidates the applications of the principles and of the methods referring to polymers, liquid crystals and other mesophases, membranes, amphiphilic systems, networks, and porous media including multiphase and multi-component materials, colloids, fine-particles, and emulsions. The book presents all formalisms, examines the basic concepts needed for applications of soft-matter science, and reviews non-invasive experimental techniques such as the multi-faceted realm of NMR methods, neutron and light quasi-elastic scattering, mechanical relaxation and dielectric broadband spectroscopy which are treated and compared on a common and consistent foundation. The standard concepts of dynamics in fluids, polymers, liquid crystals, colloids and adsorbates are comprehensively derived in a step-by-step manner. Principles and analogies common to diverse application fields are elucidated and theoretical and experimental aspects are supplemented by computational-physics considerations. Principles of Soft-Matter Dynamics. Basic Theories, Non-invasive Methods, Mesoscopic Aspects appeals to graduate and PhD students, post-docs, researchers, and industrial scientists alike.

Gas Transport in Porous Media

Author : Edward Allen Mason
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Gas Transport in Porous Media by : Edward Allen Mason

Download or read book Gas Transport in Porous Media written by Edward Allen Mason and published by . This book was released on 1983 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph gives an historical account of the development of the dusty-gas model for the description of gas transport in porous media, and describes the model and its applications in sufficient detail that it can be employed in engineering practice.

Adsorption and Diffusion in Nanoporous Materials

Author : Rolando M.A. Roque-Malherbe
Publisher : CRC Press
ISBN 13 : 1420046764
Total Pages : 290 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Adsorption and Diffusion in Nanoporous Materials by : Rolando M.A. Roque-Malherbe

Download or read book Adsorption and Diffusion in Nanoporous Materials written by Rolando M.A. Roque-Malherbe and published by CRC Press. This book was released on 2007-03-05 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: As nanomaterials get smaller, their properties increasingly diverge from their bulk material counterparts. Written from a materials science perspective, Adsorption and Diffusion in Nanoporous Materials describes the methodology for using single-component gas adsorption and diffusion measurements to characterize nanoporous solids. Concise, yet comprehensive, the book covers both equilibrium adsorption and adsorption kinetics in dynamic systems in a single source. It presents the theoretical and mathematical tools for analyzing microporosity, kinetics, thermodynamics, and transport processes of the adsorbent surface. Then it examines how these measurements elucidate structural and morphological characteristics of the materials. Detailed descriptions of the phenomena include diagrams, essential equations, and fully derived, concrete examples based on the author's own research experiences and insight. The book contains chapters on statistical physics, dynamic adsorption in plug flow bed reactors, and the synthesis and modification of important nanoporous materials. The final chapter covers the principles and applications of adsorption for multicomponent systems in the liquid phase. Connecting recent advances in adsorption characterization with developments in the transport and diffusion of nanoporous materials, this book is ideal for scientists involved in the research, development, and applications of new nanoporous materials.

Bibliography of Agriculture

Author :
Publisher :
ISBN 13 :
Total Pages : 1922 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Bibliography of Agriculture by :

Download or read book Bibliography of Agriculture written by and published by . This book was released on 1975 with total page 1922 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings

Author : Soil Science Society of America
Publisher :
ISBN 13 :
Total Pages : 934 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings by : Soil Science Society of America

Download or read book Proceedings written by Soil Science Society of America and published by . This book was released on 1967 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaporation into the Atmosphere

Author : W. Brutsaert
Publisher : Springer Science & Business Media
ISBN 13 : 9401714975
Total Pages : 299 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Evaporation into the Atmosphere by : W. Brutsaert

Download or read book Evaporation into the Atmosphere written by W. Brutsaert and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The phenomenon of evaporation in the natural environment is of interest in various diverse disciplines. This book is an attempt to present a coherent and organized introduction to theoretical concepts and relationships useful in analyzing this phe nomenon, and to give an outline of their history and their application. The main objective is to provide a better understanding of evaporation, and to connect some of the approaches and paradigms, that have been developed in different disciplines concerned with this phenomenon. The book is intended for professional scientists and engineers, who are active in hydrology, meteorology, agronomy, oceanography, climatology and related environ mental fields, and who wish to study prevailing concepts on evaporation. At the same time, I hope that the book will be useful to workers in fluid dynamics, who want to become acquainted with applications to an important and interesting natural phenomenon. As suggested in its subtitle, the book consists of three major parts. The first, consisting of Chapters I and 2, gives a general ouline of the problem and a history of the theories of evaporation from ancient times through the end of the nineteenth century. This history is far from exhaustive, but it sket~hes the background and the ideas that led directly to the scientific revolution in Europe and, ultimately, to our present-day knowledge.

Handbook of Porous Media

Author : Kambiz Vafai
Publisher : CRC Press
ISBN 13 : 0415876389
Total Pages : 771 pages
Book Rating : 4.4/5 (158 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 2005-03-30 with total page 771 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last three decades, advances in modeling flow, heat, and mass transfer through a porous medium have dramatically transformed engineering applications. Comprehensive and cohesive, Handbook of Porous Media, Second Edition presents a compilation of research related to heat and mass transfer including the development of practical applications