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Author: Stephan Herminghaus
Publisher: World Scientific
ISBN: 981441770X
Category : Science
Languages : en
Pages : 330
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Book Description
This is a monograph written for the young and advanced researcher entering the field of wet granular matter, and is keen to understand the basic physical principles governing this state of soft matter. It treats wet granulates as an instance of a ternary system, consisting of the grains, a primary, and a secondary fluid. After addressing wetting phenomena in general and outlining the basic facts on dry granular systems, a chapter on basic mechanisms and their effects is dedicated to every region of the ternary phase diagram. Effects of grain shape and roughness are considered as well. Rather than addressing engineering aspects such as existing books on this topic do, the book aims to provide a generalized framework suitable for those who want to understand these systems on a more fundamental basis.
Author: Stephan Herminghaus
Publisher: World Scientific
ISBN: 981441770X
Category : Science
Languages : en
Pages : 330
Get Book Here
Book Description
This is a monograph written for the young and advanced researcher entering the field of wet granular matter, and is keen to understand the basic physical principles governing this state of soft matter. It treats wet granulates as an instance of a ternary system, consisting of the grains, a primary, and a secondary fluid. After addressing wetting phenomena in general and outlining the basic facts on dry granular systems, a chapter on basic mechanisms and their effects is dedicated to every region of the ternary phase diagram. Effects of grain shape and roughness are considered as well. Rather than addressing engineering aspects such as existing books on this topic do, the book aims to provide a generalized framework suitable for those who want to understand these systems on a more fundamental basis.
Author: Stephan Herminghaus
Publisher: World Scientific Publishing Company Incorporated
ISBN: 9789814417693
Category : Science
Languages : en
Pages : 315
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Book Description
1. Introduction. 1.1. The significance of wet granular matter. 1.2. Energy scales. 1.3. Typical questions to be asked. 1.4. How we shall proceed -- 2. Grains and granular fluids. 2.1. Grains. 2.2. Granular fluids. 2.3. Conclusions -- 3. Wetting. 3.1. Planar substrates. 3.2. Rough substrates. 3.3. Conclusions -- 4. Capillary forces. 4.1. Capillary bridge between flat walls. 4.2. Capillary bridge between spherical bodies. 4.3. Capillary bridge between irregular grains. 4.4. Force networks. 4.5. Conclusions -- 5. Wet granular gases. 5.1. Dynamical aspects of capillary bridges. 5.2. Free cooling and clustering. 5.3. Liquid-gas coexistence. 5.4. Collective phenomena far from thermal equilibrium. 5.5. Conclusions -- 6. Wet granular piles. 6.1. Geometrical aspects of granular piles. 6.2. Regimes of wetness. 6.3. Mechanical properties of wet granular piles. 6.4. Phase transitions in wet granular piles. 6.5. Conclusions -- 7. Special topics. 7.1. The physics of sand castles. 7.2. Immiscible granular suspensions. 7.3. Quicksand and quickclay
Author: Etienne Guyon
Publisher: MIT Press
ISBN: 026204370X
Category : Technology & Engineering
Languages : en
Pages : 270
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Book Description
Explaining the science contained in a simple assembly of grains—the most abundant form of matter present on Earth. Granular media—composed of vast amounts of grains, consolidated or not—constitute the most abundant form of solid matter on Earth. Granular materials assemble in disordered configurations scientists often liken to a bag of marbles. Made of macroscopic particles rather than molecules, they defy the standard scheme of classification in terms of solid, liquid, and gas. Granular materials provide a model relevant to various domains of research, including engineering, physics, and biology. William Blake famously wished “To See a World in a Grain of Sand”; in this book, pioneering researchers in granular matter explain the science hidden behind simple grains, shedding light on collective behavior in disordered settings in general. The authors begin by describing the single grain with its different origins, shapes, and sizes, then examine grains in piled or stacked form. They explain the packing fraction of granular media, a crucial issue that bears on the properties displayed in practical applications; explore small-scale deformations in piles of disordered grains, with particular attention to friction; and present theories of various modes of disorder. Along the way, they discuss such concepts as force chains, arching effects, wet grains, sticky contacts, and inertial effects. Drawing on recent numerical simulations as well as classical concepts developed in physics and mechanics, the book offers an accessible introduction to a rapidly developing field.
Author: S.P. Pudasaini
Publisher: Springer Science & Business Media
ISBN: 3540326871
Category : Science
Languages : en
Pages : 614
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Book Description
Avalanches, mudflows and landslides are common and natural phenomena that occur in mountainous regions. With an emphasis on snow avalanches, this book provides a survey and discussion about the motion of avalanche-like flows from initiation to run out. An important aspect of this book is the formulation and investigation of a simple but appropriate continuum mechanical model for the realistic prediction of geophysical flows of granular material.
Author: Tomaso Aste
Publisher: World Scientific
ISBN: 9812771980
Category : Science
Languages : en
Pages : 268
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Book Description
The science of complex materials continues to engage researchers from a vast range of disciplines, including physics, mathematics, computational science, and virtually all domains of engineering.This volume presents a unique multidisciplinary panorama of the current research in complex materials. The contributions explore an array of problems reflecting recent developments in four main areas: characterization and modeling of disordered packings, micromechanics and continuum theory; discrete element method; statistical mechanics. The common theme is the quest to unravel the connection between the microscopic and macroscopic properties of complex materials.
Author: Lyesse Laloui
Publisher: Springer Science & Business Media
ISBN: 3642324924
Category : Science
Languages : en
Pages : 331
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Book Description
Significant advancements in the experimental analysis of soils and shales have been achieved during the last few decades. Outstanding progress in the field has led to the theoretical development of geomechanical theories and important engineering applications. This book provides the reader with an overview of recent advances in a variety of advanced experimental techniques and results for the analysis of the behaviour of geomaterials under multiphysical testing conditions. Modern trends in experimental geomechanics for soils and shales are discussed, including testing materials in variably saturated conditions, non-isothermal experiments, micro-scale investigations and image analysis techniques. Six theme papers from leading researchers in experimental geomechanics are also included. This book is intended for postgraduate students, researchers and practitioners in fields where multiphysical testing of soils and shales plays a fundamental role, such as unsaturated soil and rock mechanics, petroleum engineering, nuclear waste storage engineering, unconventional energy resources and CO2 geological sequestration.
Author: Stephan Herminghaus
Publisher: World Scientific
ISBN: 9811282277
Category : Science
Languages : en
Pages : 344
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Book Description
This is a monograph written for the young and advanced researcher who is entering the field of wet granular matter, keen to understand the basic physical principles governing this state of soft matter. It treats wet granulates as a ternary system consisting of the grains, a primary, and a secondary fluid. After generally addressing wetting phenomena and outlining the basic facts on dry granular systems, a chapter on basic mechanisms and their effects is dedicated to every region of the ternary phase diagram. Effects of grain shape and roughness are considered as well. Rather than addressing engineering aspects like existing books on this topic do, this book aims to provide a generalized framework suitable for those who want to understand these systems on a more fundamental basis. It spans a wide scope of questions, ranging from possible general principles behind the emergence of structure and pattern, to the interpretation of geological outcrop features we encounter in nature.
Author: Scott V. Franklin
Publisher: CRC Press
ISBN: 146650997X
Category : Science
Languages : en
Pages : 509
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Book Description
Granular systems arise in a variety of geological and industrial settings, from landslides, avalanches, and erosion to agricultural grains and pharmaceutical powders. Understanding the underlying physics that governs their behavior is the key to developing effective handling and transport mechanisms as well as appropriate environmental policies.Han
Author: P. J. Cullen
Publisher: John Wiley & Sons
ISBN: 0470710551
Category : Technology & Engineering
Languages : en
Pages : 508
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Book Description
Written in four parts, this book provides a dedicated and in-depth reference for blending within the pharmaceutical manufacturing industry. It links the science of blending with regulatory requirements associated with pharmaceutical manufacture. The contributors are a combination of leading academic and industrial experts, who provide an informed and industrially relevant perspective of the topic. This is an essential book for the pharmaceutical manufacturing industry, and related academic researchers in pharmaceutical science and chemical and mechanical engineering.
Author: Farhang Radjaï
Publisher: Wiley-ISTE
ISBN: 9781848212602
Category : Mathematics
Languages : en
Pages : 0
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Book Description
This book brings together in a single volume various methods and skills for particle-scale or discrete-element numerical simulation of granular media. It covers a broad range of topics from basic concepts and methods towards more advanced aspects and technical details applicable to the current research on granular materials. Discrete-element simulations of granular materials are based on four basic models (molecular dynamics, contact dynamics, quasi-static and event driven) dealing with frictional contact interactions and integration schemes for the equations of dynamics. These models are presented in the first chapters of the book, followed by various methods for sample preparation and monitoring of boundary conditions, as well as dimensionless control parameters. Granular materials encountered in real life involve a variety of compositions (particle shapes and size distributions) and interactions (cohesive, hydrodynamic, thermal) that have been extensively covered by several chapters. The book ends with two applications in the field of geo-materials.
