Granular Gaseous Flows
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Granular Gaseous Flows
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Author : Vicente Garzó
language : en
Publisher:
Release Date : 2019
Granular Gaseous Flows written by Vicente Garzó and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with SCIENCE categories.
This book addresses the study of the gaseous state of granular matter in the conditions of rapid flow caused by a violent and sustained excitation. In this regime, grains only touch each other during collisions and hence, kinetic theory is a very useful tool to study granular flows. The main difference with respect to ordinary or molecular fluids is that grains are macroscopic and so, their collisions are inelastic. Given the interest in the effects of collisional dissipation on granular media under rapid flow conditions, the emphasis of this book is on an idealized model (smooth inelastic hard spheres) that isolates this effect from other important properties of granular systems. In this simple model, the inelasticity of collisions is only accounted for by a (positive) constant coefficient of normal restitution. The author of this monograph uses a kinetic theory description (which can be considered as a mesoscopic description between statistical mechanics and hydrodynamics) to study granular flows from a microscopic point of view. In particular, the inelastic version of the Boltzmann and Enskog kinetic equations is the starting point of the analysis. Conventional methods such as Chapman-Enskog expansion, Grad's moment method and/or kinetic models are generalized to dissipative systems to get the forms of the transport coefficients and hydrodynamics. The knowledge of granular hydrodynamics opens up the possibility of understanding interesting problems such as the spontaneous formation of density clusters and velocity vortices in freely cooling flows and/or the lack of energy equipartition in granular mixtures. Some of the topics covered in this monograph include: Navier-Stokes transport coefficients for granular gases at moderate densities Long-wavelength instability in freely cooling flows Non-Newtonian transport properties in granular shear flows Energy nonequipartition in freely cooling granular mixtures Diffusion in strongly sheared granular mixtures Exact solutions to the Boltzmann equation for inelastic Maxwell models.
Granular Gas Dynamics
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Author : Thorsten Pöschel
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-10-16
Granular Gas Dynamics written by Thorsten Pöschel and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-10-16 with Science categories.
The contributions in this book address both the kinetic approach one using the Boltzmann equation for dissipative gases as well as the less established hydrodynamic description. The last part of the book is devoted to driven granular gases and their analogy with molecular fluids.
Challenges In Granular Physics
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Author : Thomas Halsey
language : en
Publisher: World Scientific
Release Date : 2003-01-09
Challenges In Granular Physics written by Thomas Halsey and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-09 with Science categories.
This book contains accounts of state-of-the art approaches to the physics of granular matter, from a widely interdisciplinary and international set of experts in the field. The authors include theorists such as S F Edwards, J Krug and J Kurchan; the book is also unique in reporting current experimental approaches with, importantly, a detailed account of new techniques. It will serve as an invaluable handbook for all researchers, both novice and experienced, who wish to get quickly directed to open questions in key aspects of this challenging and topical domain. Contents:Models of Free Cooling Granular Gases (U M B Marconi et al.)The Steady State of the Tapped Ising Model (D S Dean & A Lefevre)Coarsening of Vortex Ripples in Sand (J Krug)Dense Granular Media as Athermal Glasses (J Kurchan)Liquid-Solid Transition in Bidisperse Granulates (S Luding)Surface Granular Flows: Two Related Examples (D V Khakhar et al.)Glassy States in a Shaken Sandbox (P F Stadler et al.)Granular Media as a Physics Problem (S F Edwards & D V Grinev)Nonlinear Elasticity and Thermodynamics of Granular Materials (H A Makse)Granular Flow Studies by NMR: A Chronology (E Fukushima)Random Multiplicative Response Functions in Granular Contact Networks (C F Moukarzel)and other papers Readership: Students, researchers, academics and scientists working in industry. Keywords:Granular;Glassy;Compaction;Random;Vibrated Sand;Dense Flows;Dynamics;Complex Systems;Wet Sand;Soft Matter;Thermodynamics;Fragile Matter;Matter Under Shear;Avalanches;Ripples;NMR
Granular Gases
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Author : Thorsten Pöschel
language : en
Publisher: Springer Science & Business Media
Release Date : 2001-02-27
Granular Gases written by Thorsten Pöschel and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-02-27 with Science categories.
"Granular Gases" are diluted many-particle systems in which the mean free path of the particles is much larger than the typical particle size, and where particle collisions occur dissipatively. The dissipation of kinetic energy can lead to effects such as the formation of clusters, anomalous diffusion and characteristic shock waves to name but a few. The book is organized as follows: Part I comprises the rigorous theoretical results for the dilute limit. The detailed properties of binary collisions are described in Part II. Part III contains experimental investigations of granular gases. Large-scale behaviour as found in astrophysical systems is discussed in Part IV. Part V, finally, deals with possible generalizations for dense granular systems.
Granular Gaseous Flows
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Author : Vicente Garzó
language : en
Publisher: Springer
Release Date : 2019-03-16
Granular Gaseous Flows written by Vicente Garzó and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-16 with Science categories.
Back Cover Text: This book addresses the study of the gaseous state of granular matter in the conditions of rapid flow caused by a violent and sustained excitation. In this regime, grains only touch each other during collisions and hence, kinetic theory is a very useful tool to study granular flows. The main difference with respect to ordinary or molecular fluids is that grains are macroscopic and so, their collisions are inelastic. Given the interest in the effects of collisional dissipation on granular media under rapid flow conditions, the emphasis of this book is on an idealized model (smooth inelastic hard spheres) that isolates this effect from other important properties of granular systems. In this simple model, the inelasticity of collisions is only accounted for by a (positive) constant coefficient of normal restitution. The author of this monograph uses a kinetic theory description (which can be considered as a mesoscopic description between statistical mechanics and hydrodynamics) to study granular flows from a microscopic point of view. In particular, the inelastic version of the Boltzmann and Enskog kinetic equations is the starting point of the analysis. Conventional methods such as Chapman-Enskog expansion, Grad’s moment method and/or kinetic models are generalized to dissipative systems to get the forms of the transport coefficients and hydrodynamics. The knowledge of granular hydrodynamics opens up the possibility of understanding interesting problems such as the spontaneous formation of density clusters and velocity vortices in freely cooling flows and/or the lack of energy equipartition in granular mixtures. Some of the topics covered in this monograph include: Navier-Stokes transport coefficients for granular gases at moderate densities Long-wavelength instability in freely cooling flows Non-Newtonian transport properties in granular shear flows Energy nonequipartition in freely cooling granular mixtures Diffusion in strongly sheared granular mixtures Exact solutions to the Boltzmann equation for inelastic Maxwell models
The Physics Of Granular Media
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Author : Haye Hinrichsen
language : en
Publisher: John Wiley & Sons
Release Date : 2006-03-06
The Physics Of Granular Media written by Haye Hinrichsen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03-06 with Science categories.
Despite extensive empirical experience, there is both a scientific challenge and a technological need to develop an understanding of the mechanisms underlying the flow of grains. This new reference provides quick access to the current level of knowledge, containing review articles covering recent developments in the field of granular media from the viewpoints of applied, experimental, and theoretical physics. In short, a must-have for advanced researchers and specialists as well as a useful starting point for anyone entering this field. The authors represent different directions of research in the field, with their contributions covering: - Static properties - Granular gases - Dense granular flow - Hydrodynamic interactions - Charged and magnetic granular matter - Computational aspects
Gas Particle And Granular Flow Systems
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Author : Nan Gui
language : en
Publisher: Elsevier
Release Date : 2019-10-22
Gas Particle And Granular Flow Systems written by Nan Gui and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-22 with Computers categories.
Gas-Particle and Granular Flow Systems: Coupled Numerical Methods and Applications breaks down complexities, details numerical methods (including basic theory, modeling and techniques in programming), and provides researchers with an introduction and starting point to each of the disciplines involved. As the modeling of gas-particle and granular flow systems is an emerging interdisciplinary field of study involving mathematics, numerical methods, computational science, and mechanical, chemical and nuclear engineering, this book provides an ideal resource for new researchers who are often intimidated by the complexities of fluid-particle, particle-particle, and particle-wall interactions in many disciplines. Presents the most recent advances in modeling of gas-particle and granular flow systems Features detailed and multidisciplinary case studies at the conclusion of each chapter to underscore key concepts Discusses coupled methods of particle and granular flow systems theory and includes advanced modeling tools and numerical techniques
Kinetic Theory Of Granular Gases
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Author : Nikolai V. Brilliantov
language : en
Publisher: OUP Oxford
Release Date : 2004-07-01
Kinetic Theory Of Granular Gases written by Nikolai V. Brilliantov and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-07-01 with Science categories.
This is the first introductory text in the rapidly growing field of granular gases. In contrast to molecular gases (for example, air), the particles of granular gases, such as a cloud of dust, lose part of their kinetic energy when they collide, giving rise to many exciting physical properties. The book provides a self-contained introduction to the theory of granular gases for advanced undergraduates and beginning graduates.
Collisional Granular Flows With And Without Gas Interactions In Microgravity
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Author : Haitao Xu
language : en
Publisher:
Release Date : 2003
Collisional Granular Flows With And Without Gas Interactions In Microgravity written by Haitao Xu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Granular Materials
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Author : Michael Sakellariou
language : en
Publisher: BoD – Books on Demand
Release Date : 2017-09-06
Granular Materials written by Michael Sakellariou and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-06 with Science categories.
This volume presents basic notions and fundamental properties of granular materials covering a wide spectrum of granular material mechanics. The granular materials may behave as fluids or solids or both. The grain size may span from microscopic to macroscopic scale. From the wet sand effect, Reynolds inspired in 1885 the notion of granular universe introducing the term "dilatancy." Bak, Tan, and Wisenfeld (1987, 1988) used the sand pile as a representative model of complex systems. In this collection of chapters, granular dynamics, granular flow from dilute to jammed states, dynamics of granular gas in microgravity, particle jetting induced by impulsive loadings, particle migration phenomena in embankment dams, and the grading entropy-based criteria of granular materials and filters are presented.