Transport Properties Of Liquids In Narrow Pores PDF Download
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| Author | : Sanjeev Sharma |
| Publisher | : |
| Total Pages | : 230 |
| Release | : 1994 |
| Genre | : |
| ISBN | : |
Download Transport Properties of Liquids in Narrow Pores Book in PDF, ePub and Kindle
Local mechanism for flow processes through porous media transport phenomena in catalysts, fluidisation of granular materials, suspension rheology, etc., are difficult to study experimentally and are inadequately described by approximations of continuum fluid mechanics. In the present approach, molecular dynamics (I\ID) simulations of the effects of solid surfaces on the transport properties of a Lennard-Jones model liquid are desclibed. Transport properties of the model liquid have been determined from the stress correlation functions for both homogeneous liquid and in narrow pores of molecular dimensions. Viscosity profiles are defined by means of a resolution of the total stress tensor and its autocorrelation function into its auto- and cross-components of single molecules. This enables a precise definition of viscosity profiles and provides a method of determination from MD simulations of the interfacial regions. Preliminary shear viscosity profiles for liquids in periodic rectangular cavities (between two semi-infinite walls) have been obtained for both transverse and longitudinal components . Profiles of these transport coefficients have no direct experimentally accessible counterparts, but could be useful for bulk fluid mechanics predictions. Results have been obtained for (i) a hard, elastic wall-molecule interaction and (ii) a Lennard-Jones (10-4) wall. Elongational viscosities, which have not previously been investioated via MD correlation functions have also been computed for both homoceneous fluid and interfacial systems. The results are discussed in relation to current experimentation of interfacial viscosities (includina recent NEMD studies) and the continuum mechanics of flow in porous media.
| Author | : F Dullien |
| Publisher | : Elsevier |
| Total Pages | : 417 |
| Release | : 2012-12-02 |
| Genre | : Technology & Engineering |
| ISBN | : 0323151353 |
Download Porous Media Fluid Transport and Pore Structure Book in PDF, ePub and Kindle
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.
| Author | : Liudmila A Pozhar |
| Publisher | : World Scientific |
| Total Pages | : 186 |
| Release | : 1995-01-16 |
| Genre | : Science |
| ISBN | : 9814590851 |
Download Transport Theory Of Inhomogeneous Fluids Book in PDF, ePub and Kindle
Until recently, the Mori-Zwanzig projection operator method, though powerful and simple, has been considered as a half-heuristic one. This book is devoted to a rigorous generalization of this method as well as its applications to nonequilibrium statistical mechanics. The well-known idea of the description of dynamical system evolution in terms of collective dynamical variables has been developed to a functional perturbation theory, which results in the master equation of any given accuracy. Examples of statistical mechanics applications of the method include a linearized transport theory and explicit expressions for transport coefficients of both homogeneous and inhomogeneous liquids, which are in good agreement with experimental data and simulation results.
| Author | : Susan Ann Somers |
| Publisher | : |
| Total Pages | : 338 |
| Release | : 1993 |
| Genre | : |
| ISBN | : |
Download Structural, Thermodynamic and Transport Properties of Fluids in Nanopores Book in PDF, ePub and Kindle
| Author | : Liudmila A. Pozhar |
| Publisher | : World Scientific |
| Total Pages | : 192 |
| Release | : 1994 |
| Genre | : Science |
| ISBN | : 9789810217501 |
Download Transport Theory of Inhomogeneous Fluids Book in PDF, ePub and Kindle
Until recently, the Mori-Zwanzig projection operator method, though powerful and simple, has been considered as a half-heuristic one. This book is devoted to a rigorous generalization of this method as well as its applications to nonequilibrium statistical mechanics. The well-known idea of the description of dynamical system evolution in terms of collective dynamical variables has been developed to a functional perturbation theory, which results in the master equation of any given accuracy. Examples of statistical mechanics applications of the method include a linearized transport theory and explicit expressions for transport coefficients of both homogeneous and inhomogeneous liquids, which are in good agreement with experimental data and simulation results.
| Author | : Abhijit Y. Dandekar |
| Publisher | : CRC Press |
| Total Pages | : 544 |
| Release | : 2013-02-21 |
| Genre | : Science |
| ISBN | : 1439876452 |
Download Petroleum Reservoir Rock and Fluid Properties Book in PDF, ePub and Kindle
Accessible to anyone with an engineering background, this text reveals the importance of understanding rock and fluid properties in petroleum engineering. Along with new practice problems and detailed solved examples, this edition covers Stone II three-phase relative permeability model, unconventional oil and gas resources, low salinity water injection, saturated reservoirs and production trends of five reservoir fluids, impact of mud filtrate invasion and heavy organics on samples, and flow assurance problems due to solid components of petroleum. It also offers better plots for determining oil and water Corey exponents from relative permeability data.
| Author | : Nick Quirke |
| Publisher | : CRC Press |
| Total Pages | : 198 |
| Release | : 2005-12-15 |
| Genre | : Science |
| ISBN | : 1420023357 |
Download Adsorption and Transport at the Nanoscale Book in PDF, ePub and Kindle
Nanoporous materials are used widely in industry as adsorbents, particularly for applications where selective adsorption of one fluid component from a mixture is important. Nanoscale structures are of increasing interest for micro- and nanofluidic devices. Computational methods have an important role to play in characterizing, understanding, and de
| Author | : P.K. Tewari |
| Publisher | : CRC Press |
| Total Pages | : 281 |
| Release | : 2020-12-07 |
| Genre | : Science |
| ISBN | : 1351589288 |
Download Advanced Water Technologies Book in PDF, ePub and Kindle
The book explores basic concepts and advanced topics in the field of water technologies. It deals extensively with advances in materials, material selection, preparation, characterization and application. The relevance of water technologies in industries is considered, and a section is dedicated to describing and analyzing the technologies required for water reuse and advanced purification, including desalination. Nuclear desalination, low-carbon desalination and water purification technologies to address the adverse impacts of climate change are examined from both the adaptation and mitigation points of view. Aimed at senior undergraduate/graduate students in chemical, civil and environmental engineering, along with wastewater and desalination researchers, this book: Details advanced water treatments for varied processes. Describes membrane and desalination techniques for water reuse and advanced purification. Elaborates water technologies at both the front and back ends of the process. Discusses modern technologies for effluent treatment and water recycling. Explores the role of information technology in the water sector.
| Author | : |
| Publisher | : |
| Total Pages | : 834 |
| Release | : 1982 |
| Genre | : Power resources |
| ISBN | : |
Download Energy Research Abstracts Book in PDF, ePub and Kindle
| Author | : N.V. Churaev |
| Publisher | : Routledge |
| Total Pages | : 344 |
| Release | : 2018-05-02 |
| Genre | : Science |
| ISBN | : 1351434985 |
Download Liquid and Vapour Flows in Porous Bodies Book in PDF, ePub and Kindle
Adopts a completely original approach to the study of processes of mass transfer. In contrast to the usual approach, based on the concept of continuum media and the theory of heat and mass transfer, the topic is considered from a new viewpoint, taking into account the heterogeneous dispersal state of porous bodies. The author bases his discussion on the theory of surface forces and microhydrodynamic analysis of the processes of mass transport of gases, liquids and vapors, providing the reader with a systematic account of liquid/solid and gas/solid interfaces. Topics treated in this book include structural peculiarities, equilibrium and properties of liquids in porous bodies. Various mechanisms of mass transfer are considered, including liquid flow in pores and films, gas diffusion, combined transfer of liquid and vapor, convective diffusion in solutions, structure formation, capillary phenomena, and wetting. This unique book provides a wealth of information from the former Soviet Union, which will be of great interest to chemists, physicists and materials scientists, as well as industrialists working with a variety of different products in which disperse systems and porous bodies are important.
