Magnetohydrodynamics of Plasma Relaxation PDF Download
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Author: S. Ortolani
Publisher: World Scientific
ISBN: 9789810208608
Category : Science
Languages : en
Pages : 208
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Book Description
This book gives a concise description of the phenomenon of plasma relaxation from the point of view of resistive magnetohydrodynamic (MHD) theory. Magnetized plasmas relax when they seek their natural state of lowest energy subject to certain topological constraints imposed by the magnetic field. Relaxation may be fast and dynamic or slow and gradual depending on the external environment in which the magnetoplasma system evolves. Relaxation occurs throughout the universe and may describe such diverse phenomena as dynamos, solar flares, and the operation of magnetic fusion energy experiments. This book concentrates on the dynamic, rather than variational aspects of relaxation. While the processes described are general, the book focuses on the reversed-field pinch experiment as a paradigm for plasma relaxation and dynamo action. Examples from other branches of plasma physics are also discussed. The authors draw upon their extensive experience in numerical and experimental studies of relaxation.
Author: S. Ortolani
Publisher: World Scientific
ISBN: 9789810208608
Category : Science
Languages : en
Pages : 208
Get Book
Book Description
This book gives a concise description of the phenomenon of plasma relaxation from the point of view of resistive magnetohydrodynamic (MHD) theory. Magnetized plasmas relax when they seek their natural state of lowest energy subject to certain topological constraints imposed by the magnetic field. Relaxation may be fast and dynamic or slow and gradual depending on the external environment in which the magnetoplasma system evolves. Relaxation occurs throughout the universe and may describe such diverse phenomena as dynamos, solar flares, and the operation of magnetic fusion energy experiments. This book concentrates on the dynamic, rather than variational aspects of relaxation. While the processes described are general, the book focuses on the reversed-field pinch experiment as a paradigm for plasma relaxation and dynamo action. Examples from other branches of plasma physics are also discussed. The authors draw upon their extensive experience in numerical and experimental studies of relaxation.
Author: Patrick H. Diamond
Publisher: World Scientific
ISBN: 9814291552
Category : Science
Languages : en
Pages : 332
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Book Description
1. Prof. Masahiro Wakatani and fusion research in his days / K. Itoh. Magnetic relaxation and self-organization in astrophysical and laboratory plasmas. 2. An introduction to mean field dynamo theory / D. W. Hughes and S. M. Tobias. 3. Origin, structure and stability of astrophysical MHD jets / P.-Y. Longaretti -- Turbulence and turbulent transport - the agents of relaxation and structure formation. 4. A tutorial on basic concepts in MHD turbulence and turbulent transport / P. H. Diamond, S.-I. Itoh and K. Itoh. 5. Intermittency like phenomena in plasma turbulence / A. Das, P. Kaw and R. Jha. 6. Nonlinear cascades and spatial structure of magnetohydrodynamic turbulence / W.-C. Müller and R. Grappin. 7. Scale covariance and scale-ratio covariance in turbulent front propagation / A. Pocheau -- Transport bifurcations and relaxation. 8. Transport barrier relaxations in tokamak edge plasmas / P. Beyer. 9. Dynamics of edge localized modes / X. Garbet ... [et al.]. 10. On the onset of collapse events in toroidal plasmas turbulence trigger / K. Itoh ... [et al.].
Author: Paul M Bellan
Publisher: World Scientific
ISBN: 1783262192
Category : Science
Languages : en
Pages : 357
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Book Description
Spheromaks are easily formed, self-organized magnetized plasma configurations that have intrigued plasma physicists for over two decades. Sometimes called magnetic vortices, magnetic smoke rings, or plasmoids, spheromaks first attracted attention as a possible controlled thermonuclear plasma confinement scheme, but are now known to have many other applications.This book begins with a review of the basic concepts of magnetohydrodynamics and toroidal magnetic configurations, then provides a detailed exposition of the 3D topological concepts underlying spheromak physics, namely magnetic helicity, Taylor relaxation, force-free equilibria, and tilt stability. It then examines spheromak formation techniques, driven and isolated configurations, dynamo concepts, practical experimental issues, diagnostics, and a number of applications. The book concludes by showing how spheromak ideas are closely related to the physics of solar prominences and interplanetary magnetic clouds./a
Author: David MacTaggart
Publisher: Springer
ISBN: 3030163431
Category : Technology & Engineering
Languages : en
Pages : 265
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Book Description
The book presents an advanced but accessible overview of some of the most important sub-branches of magnetohydrodynamics (MHD): stability theory, magnetic topology, relaxation theory and magnetic reconnection. Although each of these subjects is often treated separately, in practical MHD applications they are normally inseparable. MHD is a highly active field of research.The book is written for advanced undergraduates, postgraduates and researchers working on MHD-related research in plasma physics and fluid dynamics.
Author: Jörg Büchner
Publisher: Springer
ISBN: 3540365303
Category : Science
Languages : en
Pages : 354
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Book Description
The aim of this book is twofold: to provide an introduction for newcomers to state of the art computer simulation techniques in space plasma physics and an overview of current developments. Computer simulation has reached a stage where it can be a highly useful tool for guiding theory and for making predictions of space plasma phenomena, ranging from microscopic to global scales. The various articles are arranged, as much as possible, according to the - derlying simulation technique, starting with the technique that makes the least number of assumptions: a fully kinetic approach which solves the coupled set of Maxwell’s equations for the electromagnetic ?eld and the equations of motion for a very large number of charged particles (electrons and ions) in this ?eld. Clearly, this is also the computationally most demanding model. Therefore, even with present day high performance computers, it is the most restrictive in terms of the space and time domain and the range of particle parameters that can be covered by the simulation experiments. It still makes sense, therefore, to also use models, which due to their simp- fying assumptions, seem less realistic, although the e?ect of these assumptions on the outcome of the simulation experiments needs to be carefully assessed.
Author: Dalton D. Schnack
Publisher: Springer
ISBN: 3642006884
Category : Science
Languages : en
Pages : 323
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Book Description
Magnetohydrodynamics, or MHD, is a theoretical way of describing the statics and dynamics of electrically conducting uids. The most important of these uids occurring in both nature and the laboratory are ionized gases, called plasmas. These have the simultaneous properties of conducting electricity and being electrically charge neutral on almost all length scales. The study of these gases is called plasma physics. MHD is the poor cousin of plasma physics. It is the simplest theory of plasma dynamics. In most introductory courses, it is usually afforded a short chapter or lecture at most: Alfven ́ waves, the kink mode, and that is it. (Now, on to Landau damping!) In advanced plasma courses, such as those dealing with waves or kinetic theory, it is given an even more cursory treatment, a brief mention on the way to things more profound and interesting. (It is just MHD! Besides, real plasma phy- cists do kinetic theory!) Nonetheless, MHD is an indispensable tool in all applications of plasma physics.
Author: Jeffrey P. Freidberg
Publisher: Plenum Publishing Corporation
ISBN:
Category : Science
Languages : en
Pages : 514
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Book Description
Author: Wallace M. Manheimer
Publisher: CRC Press
ISBN:
Category : Art
Languages : en
Pages : 312
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Book Description
Magnetohydrodynamics, the study of the motion of electrically conducting fluids in magnetic fields, is an important area in plasma physics. The effects of instabilities in such electrical fluids are very difficult to calculate and this is the first book to deal with the subject as a whole in a detailed manner. MHD and Microinstabilities in Confined Plasma starts from first principles and builds up to a full understanding of MHD. It features a number of topics not covered in other books on plasma, including non-linear theory, anomalous transport and magnetic reconnection.
Author: M. Goossens
Publisher: Springer Science & Business Media
ISBN: 9400710763
Category : Science
Languages : en
Pages : 203
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Book Description
Most of the visible matter in the universe exists in the plasma state. Plasmas are of major importance for space physics, solar physics, and astrophysics. On Earth they are essential for magnetic controlled thermonuclear fusion. This textbook collects lecture notes from a one-semester course taught at the K.U. Leuven to advanced undergraduate students in applied mathematics and physics. A particular strength of this book is that it provides a low threshold introduction to plasmas with an emphasis on first principles and fundamental concepts and properties. The discussion of plasma models is to a large extent limited to Magnetohydrodynamics (MHD) with its merits and limitations clearly explained. MHD provides the students on their first encounter with plasmas, with a powerful plasma model that they can link to familiar classic fluid dynamics. The solar wind is studied as an example of hydrodynamics and MHD at work in solar physics and astrophysics.
Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Magnetohydrodynamics
Languages : en
Pages : 290
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Book Description
