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Dielectric Properties Of Porous Media

Author: S.O. Gladkov
Publisher: Springer Science & Business Media
ISBN: 3662067056
Size: 66.20 MB
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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.

Electronic Structure And Magnetism Of Complex Materials

Author: David J. Singh
Publisher: Springer Science & Business Media
ISBN: 3662053101
Size: 40.64 MB
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Recent developments in electronic structure theory have led to a new understanding of magnetic materials at the microscopic level. This enables a truly first-principles approach to investigations of technologically important magnetic materials. Among the advances treated here have been practical schemes for handling non-collinear magnetic systems, including relativity, and an understanding of the origins and role of orbital magnetism within band structure formalisms. This book provides deep theoretical insight into magnetism, mahneatic materials, and magnetic systems. It covers these recent developments with review articles by some of the main originators of these developments.

Organic Photovoltaics

Author: Christoph Joseph Brabec
Publisher: Springer Science & Business Media
ISBN: 3662051877
Size: 50.82 MB
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The present volume describes and explains the fundamentals of organic/plastic solar cells in a manner accessible to both researchers and students. It provides an up-to-date and comprehensive account of these materials and corresponding devices, which will play a key role in future solar energy systems.

Electrokinetics For Petroleum And Environmental Engineers

Author: G. V. Chilingar
Publisher: John Wiley & Sons
ISBN: 1118842839
Size: 40.90 MB
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Electrokinetics is a term applied to a group of physicochemicalphenomena involving the transport of charges, action of chargedparticles, effects of applied electric potential and fluidtransport in various porous media to allow for a desired migrationor flow to be achieved. These phenomena include electrokinetics,electroosmosis, ion migration, electrophoresis, streaming potentialand electroviscosity. These phenomena are closely related and allcontribute to the transport and migration of different ionicspecies and chemicals in porous media. The physicochemical andelectrochemical properties of a porous medium and the pore fluid,and the magnitudes of the applied electrical potential all impactthe direction and velocity of the fluid flow. Also, an electricalpotential is generated upon the forced passage of fluid carryingcharged particles through a porous medium. The use of electrokinetics in the field of petroleum andenvironmental engineering was groundbreaking when George Chilingarpioneered its use decades ago, but it has only been in recent yearsthat its full potential has been studied. This is the firstvolume of its kind ever written, offering the petroleum orenvironmental engineer a practical “how to” book onusing electrokinetics for more efficient and better oil recoveryand recovery from difficult reservoirs. This groundbreaking volume is a must-have for any petroleumengineer working in the field, and for students and faculty inpetroleum engineering departments worldwide.

Low Dielectric Constant Materials For Ic Applications

Author: Paul S. Ho
Publisher: Springer Science & Business Media
ISBN: 3642559085
Size: 16.28 MB
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Low dielectric constant materials are an important component of microelectronic devices. This comprehensive book covers the latest low-dielectric-constant (low-k) materials technology, thin film materials characterization, integration and reliability for back-end interconnects and packaging applications in microelectronics. Highly informative contributions from leading academic and industrial laboratories provide comprehensive information about materials technologies for

Random Heterogeneous Materials

Author: Salvatore Torquato
Publisher: Springer Science & Business Media
ISBN: 9780387951676
Size: 78.28 MB
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This accessible text presents a unified approach of treating the microstructure and effective properties of heterogeneous media. Part I deals with the quantitative characterization of the microstructure of heterogeneous via theoretical methods; Part II treats a wide variety of effective properties of heterogeneous materials and how they are linked to the microstructure, accomplished by using rigorous methods.

Chemo Mechanical Couplings In Porous Media Geomechanics And Biomechanics

Author: Benjamin Loret
Publisher: Springer Science & Business Media
ISBN: 9783211213230
Size: 23.96 MB
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The book addresses fundamental issues faced by experimentalists, modelers and engineers interested in different physical, mechanical and transport aspects of biological tissues and chemically active geological materials, mainly clays and shales. The focus is on the couplings between electro-chemical and mechanical aspects involved in swelling and chemical consolidation. Emphasis is laid on the influence of these phenomena on mechanical properties and on transport properties. Applications in geo-environmental and geotechnical technologies, including nuclear and hazardous waste isolation, oil recovery, engineering geology, are addressed directly or implied. Control of long term effects of surgery and mechanical performance of prostheses may benefit from the modeling of irreversibilities that are of utmost importance in geological materials. Conversely, understanding the self-regulation mechanisms of biological tissues may be helpful in the design of efficient engineering materials.

Porous Media

Author: Wolfgang Ehlers
Publisher: Springer Science & Business Media
ISBN: 9783540437635
Size: 29.31 MB
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The present volume offers a state-of-the-art report on the various recent sci entific developments in the Theory of Porous Media (TPM) comprehending the basic theoretical concepts in continuum mechanics on porous and mul tiphasic materials as well as the wide range of experimental and numerical applications. Following this, the volume does not only address the sophisti cated reader but also the interested beginner in the area of Porous Media by presenting a collection of articles. These articles written by experts in the field concern the fundamental approaches to multiphasic and porous materials as well as various applications to engineering problems. In many branches of engineering just as in applied natural sciences like bio- and chemomechanics, one often has to deal with continuum mechanical problems which cannot be uniquely classified within the well-known disci plines of either "solid mechanics" or "fluid mechanics". These problems, characterized by the fact that they require a unified treatment of volumetri cally coupled solid-fluid aggregates; basically fall into the categories of either mixtures or porous media. Following this, there is a broad variety of problems ranging in this category as for example the investigation of reacting fluid mix tures or solid-fluid suspensions as well as the investigation of the coupled solid deformation and pore-fluid flow behaviour of liquid- and gas-saturated porous solid skeleton materials like geomaterials (soil, rock, concrete, etc. ), polymeric and metallic foams or biomaterials (hard and soft tissues, etc).

Fundamentals Of Mold Growth In Indoor Environments And Strategies For Healthy Living

Author: Olaf C. G. Adan
Publisher: Springer Science & Business Media
ISBN: 9086867227
Size: 72.59 MB
Format: PDF
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Today, indoor mold and moisture, and their associated health effects, are a society-wide problem. The economic consequences of indoor mold and moisture are enormous. Their global dimension has been emphasized in several recent international publications, stressing that the most important means for avoiding adverse health effects is the prevention (or minimization) of persistent dampness and microbial growth on interior surfaces and in building structures.This book aims to describe the fundamentals of indoor mold growth as a prerequisite to tackle mold growth in the existing building stock as well as in future energy efficient buildings. It brings together different disciplinary points of view on indoor mold, ranging from physics and material science to microbiology and health sciences. The contents have been outlined according to three main issues: Fundamentals, particularly addressing the crucial roles of water and materials, Health, including a state-of-the-art description of the health-related effects of indoor molds, and Strategies, integrating remediation, prevention and policies.