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Author : S. O. Gladkov
Publisher : Unknown
Page : 280 pages
File Size : 52,5 Mb
Release : 2014-01-15
Category : Electronic
ISBN : 3662067064
Author : S.O. Gladkov
Publisher : Springer Science & Business Media
Page : 266 pages
File Size : 49,8 Mb
Release : 2013-03-09
Category : Technology & Engineering
ISBN : 9783662067055
This monograph systematically presents the fundamentals of theoretical and experimental research into the most important physical characteristics of porous structures. Non-standard behavior of certain physical parameters, such as the breakdown of the electric field of porous substances, is described. The method of calculation of the thermal conductivity coefficient of porous dielectrics, based on the non-equilibrium principle, is illustrated in detail. This approach is then applied to the investigation of the properties of "disparate" substances such as cellulose matrices, composites, and fibrous structures. The book is intended for physicists, physical chemists and materials scientists at research and postgraduate levels; it may also be helpful to engineers and technical workers in the applied sciences.
Author : Stephen W. Wheatcraft,Kendrick C. Taylor,John G. Haggard
Publisher : Unknown
Page : 232 pages
File Size : 43,5 Mb
Release : 1984
Category : Electric resistance
ISBN : UCR:31210022261034
Author : Mohsen Sheikholeslami Kandelousi,Sadia Ameen,M. Shaheer Akhtar,Hyung-Shik Shin
Publisher : BoD – Books on Demand
Page : 246 pages
File Size : 54,5 Mb
Release : 2020-08-19
Category : Science
ISBN : 9781789238372
Studies of fluid flow and heat transfer in a porous medium have been the subject of continuous interest for the past several decades because of the wide range of applications, such as geothermal systems, drying technologies, production of thermal isolators, control of pollutant spread in groundwater, insulation of buildings, solar power collectors, design of nuclear reactors, and compact heat exchangers, etc. There are several models for simulating porous media such as the Darcy model, Non-Darcy model, and non-equilibrium model. In porous media applications, such as the environmental impact of buried nuclear heat-generating waste, chemical reactors, thermal energy transport/storage systems, the cooling of electronic devices, etc., a temperature discrepancy between the solid matrix and the saturating fluid has been observed and recognized.
Author : Mailadil T. Sebastian,Rick Ubic,Heli Jantunen
Publisher : John Wiley & Sons
Page : 1000 pages
File Size : 54,5 Mb
Release : 2017-03-02
Category : Technology & Engineering
ISBN : 9781119208556
The recent rapid progress in wireless telecommunication, including the Internet of Things, 5th generation wireless systems, satellite broadcasting, and intelligent transport systems has increased the need for low-loss dielectric materials and modern fabrication techniques. These materials have excellent electrical, dielectric, and thermal properties and have enormous potential, especially in wireless communication, flexible electronics, and printed electronics. Microwave Materials and Applications discusses the methods commonly employed for measuring microwave dielectric properties, the various attempts reported to solve problems of materials chemistry and crystal structure, doping, substitution, and composite formation, highlighting the processing techniques, morphology influences, and applications of microwave materials whilst summarizing many of the recent technical research accomplishments in the area of microwave dielectrics and applications Chapters examine: Oxide ceramics for dielectric resonators and substrates HTCC, LTCC and ULTCC tapes for substrates Polymer ceramic composites for printed circuit boards Elastomer-ceramic composites for flexible electronics Dielectric inks EMI shielding materials Microwave ferrites A comprehensive Appendix presents the fundamental properties for more than 4000 low-loss dielectric ceramics, their composition, crystal structure, and their microwave dielectric properties. Microwave Materials and Applications presents a comprehensive view of all aspects of microwave materials and applications, making it useful for scientists, industrialists, engineers, and students working on current and emerging applications of wireless communications and consumer electronics.
Author : Jean-François Daïan
Publisher : John Wiley & Sons
Page : 259 pages
File Size : 48,6 Mb
Release : 2014-04-16
Category : Technology & Engineering
ISBN : 9781118908730
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. Priority is to put forward the constitutive laws in concrete circumstances without going into technical detail. This first volume in the three-volume series focuses on fluids in equilibrium in the pore space; interfaces, the equilibrium of solutions and freezing in porous media; and gives experimental investigations of capillary behavior and porometry, and sorption and porometry.
Author : Anonim
Publisher : Academic Press
Page : 524 pages
File Size : 48,6 Mb
Release : 1999-02-24
Category : Science
ISBN : 0080575870
Advances in Heat Transfer is designed to fill the information gap between regularly scheduled journals and university level textbooks by providing in-depth review articles over a broader scope than is allowable in either journals or texts.
Author : Yury Mironovich Volfkovich,Anatoly Nikolaevich Filippov,Vladimir Sergeevich Bagotsky
Publisher : Springer
Page : 331 pages
File Size : 52,7 Mb
Release : 2014-07-22
Category : Technology & Engineering
ISBN : 9781447163770
This book provides a comprehensive and concise description of most important aspects of experimental and theoretical investigations of porous materials and powders, with the use and application of these materials in different fields of science, technology, national economy and environment. It allows the reader to understand the basic regularities of heat and mass transfer and adsorption occurring in qualitatively different porous materials and products, and allows the reader to optimize the functional properties of porous and powdered products and materials. Written in an straightforward and transparent manner, this book is accessible to both experts and those without specialist knowledge, and it is further elucidated by drawings, schemes and photographs. Porous materials and powders with different pore sizes are used in many areas of industry, geology, agriculture and science. These areas include (i) a variety of devices and supplies; (ii) thermal insulation and building materials; (iii) oil-bearing geological, gas-bearing and water-bearing rocks; and (iv) biological objects. Structural Properties of Porous Materials and Powders Used in Different Fields of Science and Technology is intended for a wide-ranging audience specializing in different fields of science and engineering including engineers, geologists, geophysicists, oil and gas producers, agronomists, physiologists, pharmacists, researchers, teachers and students.
Author : Stephen W. Wheatcraft
Publisher : Unknown
Page : 5 pages
File Size : 51,7 Mb
Release : 1985
Category : Electric resistance
ISBN : OCLC:15358442
Author : L. Gray Wilson,Lorne G. Everett,Stephen J. Cullen
Publisher : Routledge
Page : 641 pages
File Size : 47,9 Mb
Release : 2018-05-02
Category : Technology & Engineering
ISBN : 9781351441940
This book is written in a simple, straightforward manner without complicated mathematical derivatives. Compiled by experienced practitioners, this guide covers topics such as basic principles of vadose zone hydrology and prevalent monitoring techniques. Case studies present actual field experiences for the benefit of the reader. The Handbook provides practitioners with the information they need to fully understand the principles, advantages, and limitations of the monitoring techniques that are available. The Handbook of Vadose Zone Characterization & Monitoring expands and consolidates the useful and succint information contained in various ASTM documents, EPA manuals, and other similar texts on the subject, making it an invaluable aid to new practioners and a useful reference for seasoned veterans in the field.
Author : Siddharth Misra,Yifu Han,Yuteng Jin,Pratiksha Tathed
Publisher : Elsevier
Page : 382 pages
File Size : 48,5 Mb
Release : 2021-07-13
Category : Science
ISBN : 9780128214558
Multifrequency Electromagnetic Data Interpretation for Subsurface Characterization focuses on the development and application of electromagnetic measurement methodologies and their interpretation techniques for subsurface characterization. The book guides readers on how to characterize and understand materials using electromagnetic measurements, including dielectric permittivity, resistivity and conductivity measurements. This reference will be useful for subsurface engineers, petrophysicists, subsurface data analysts, geophysicists, hydrogeologists, and geoscientists who want to know how to develop tools and techniques of electromagnetic measurements and interpretation for subsurface characterization. Includes case studies to add additional color to the presented content Provides codes for the mechanistic modeling of multi-frequency conductivity and relative permittivity of porous geomaterials Presents detailed descriptions of multifrequency electromagnetic data interpretation models and inversion algorithm
Author : Shyam P Muraka,Moshe Eizenberg,Ashok K Sinha
Publisher : Elsevier
Page : 464 pages
File Size : 45,5 Mb
Release : 2003-10-13
Category : Science
ISBN : 0080521959
Semiconductor technologies are moving at such a fast pace that new materials are needed in all types of application. Manipulating the materials and their properties at atomic dimensions has become a must. This book presents the case of interlayer dielectrics materials whilst considering these challenges. Interlayer Dielectrics for Semiconductor Technologies cover the science, properties and applications of dielectrics, their preparation, patterning, reliability and characterisation, followed by the discussion of different materials including those with high dielctric constants and those useful for waveguide applications in optical communications on the chip and the package. * Brings together for the FIRST time the science and technology of interlayer deilectrics materials, in one volume * written by renowned experts in the field * Provides an up-to-date starting point in this young research field.
Author : Anonim
Publisher : The Electrochemical Society
Page : 364 pages
File Size : 51,7 Mb
Release : 2003
Category : Electronic packaging
ISBN : 1566773792
Author : Katrin Breede
Publisher : Forschungszentrum Jülich
Page : 93 pages
File Size : 50,5 Mb
Release : 2012
Category : Electronic
ISBN : 9783893368754
Author : Allen Hunt,Robert Ewing,Behzad Ghanbarian
Publisher : Springer
Page : 466 pages
File Size : 49,9 Mb
Release : 2014-02-04
Category : Science
ISBN : 9783319037714
This monograph presents, for the first time, a unified and comprehensive introduction to some of the basic transport properties of porous media, such as electrical and hydraulic conductivity, air permeability and diffusion. The approach is based on critical path analysis and the scaling of transport properties, which are individually described as functions of saturation. At the same time, the book supplies a tutorial on percolation theory for hydrologists, providing them with the tools for solving actual problems. In turn, a separate chapter serves to introduce physicists to some of the language and complications of groundwater hydrology necessary for successful modeling. The end-of-chapter problems often indicate open questions, which young researchers entering the field can readily start working on. This significantly revised and expanded third edition includes in particular two new chapters: one on advanced fractal-based models, and one devoted to the discussion of various open issues such as the role of diffusion vs. advection, preferential flow vs. critical path, universal vs. non-universal exponents for conduction, and last but not least, the overall influence of the experimental apparatus in data collection and theory validation. "The book is suitable for advanced graduate courses, with selected problems and questions appearing at the end of each chapter. [...] I think the book is an important work that will guide soil scientists, hydrologists, and physicists to gain a better qualitative and quantitative understanding of multitransport properties of soils." (Marcel G. Schaap, Soil Science Society of America Journal, May-June, 2006)