Spheromaks A Practical Application Of Magnetohydrodynamic Dynamos And Plasma Self Organization
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Spheromaks A Practical Application Of Magnetohydrodynamic Dynamos And Plasma Self Organization
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Author : Paul M Bellan
language : en
Publisher: World Scientific
Release Date : 2000-01-22
Spheromaks A Practical Application Of Magnetohydrodynamic Dynamos And Plasma Self Organization written by Paul M Bellan and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01-22 with Science categories.
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
Magnetic Helicity Spheromaks Solar Corona Loops And Astrophysical Jets
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Author : Paul Murray Bellan
language : en
Publisher: Wspc (Europe)
Release Date : 2018
Magnetic Helicity Spheromaks Solar Corona Loops And Astrophysical Jets written by Paul Murray Bellan and has been published by Wspc (Europe) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Science categories.
Revision of: Spheromaks: a practical application of magnetohydrodynamic dynamos and plasma self-organization, 2000.
Magnetic Helicity Spheromaks Solar Corona Loops And Astrophysical Jets
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Author : Bellan Paul M
language : en
Publisher: World Scientific
Release Date : 2018-03-09
Magnetic Helicity Spheromaks Solar Corona Loops And Astrophysical Jets written by Bellan Paul M and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-09 with Science categories.
Pedagogical in style, this book provides insights into plasma behavior valid over twenty orders of magnitude in both time and space. The book assumes that the reader has a basic knowledge of magnetohydrodynamics and explains topics using detailed theoretical analysis supported by discussion of relevant experiments. This comprehensive approach gives the reader an understanding of the essential theoretical ideas and their application to real situations. The book starts by explaining the topological concept of magnetic helicity and then develops a helicity-based model that predicts the ultimate state towards which magnetically-dominated plasmas evolve. The model predicts that no matter how messy or complicated the dynamics, a great range of plasma configurations always self-organize to a unique, simple final state. This self-organization, called relaxation, is a fundamental concept that unifies understanding of spheromaks, solar corona loops, interplanetary magnetic clouds, and astrophysical jets. After establishing why relaxation occurs, the book then examines how relaxation occurs. It shows that relaxation involves a sequence of complex non-equilibrium dynamics including fast self-collimated plasma jets, kink instabilities, magnetic reconnection, and phenomena outside the realm of magnetohydrodynamics. Contents: IntroductionBasic ConceptsMagnetic HelicityRelaxation of an Isolated Configuration to the Taylor StateRelaxation in Driven ConfigurationsThe MHD Energy Principle, Helicity, and Taylor StatesSurvey of Spheromak Formation SchemesClassification of Regimes: An Imperfect Analogy to ThermodynamicsAnalysis of Isolated Cylindrical SpheromaksThe Role of the WallAnalysis of Driven Spheromaks: Strong CouplingHelicity Flow and DynamosConfinement and Transport in SpheromaksSome Important Practical IssuesBasic Diagnostics for SpheromaksApplications of SpheromaksInitial Dynamics Leading to Relaxation: MHD JetsDynamics Associated with Relaxation: Kinks, Rayleigh-Taylor, Hard X-RaysBeyond MHD: Whistler Waves and Fast Magnetic ReconnectionZero-β Models for Solar and Space Phenomena: Helicity, Force-Free EquilibriaFinite-β Models and Experiments for Solar Phenomena: Collimation, Flows, ExpansionBeyond MHD: Extreme Particle Orbits in Helical Magnetic FieldsFinite-β Toroidal Magnetic Cloud ModelAstrophysical Jets, Accretion, Angular Momentum Removal, and Space DynamosAppendices: Vector Identities and OperatorsBessel Orthogonality RelationsCapacitor BanksTransmission Lines, Pulse Forming Networks, and TransformersSelected Formulae Readership: Researchers, graduate students, and advanced undergraduates in plasma physics, solar physics, and astrophysics; mathematicians interested in helicity, topology, and self-organization. Keywords: Magnetohydrodynamics;Magnetic Helicity;Spheromaks;MHD;MHD Jets;Kink;Rayleigh Taylor;Accretion Disk;Astrophysical Jet;Solar Prominence;Solar Corona;Solar Corona Loop;CME;Relative Helicity;Taylor Relaxation;Magnetic Reconnection;Whistler Waves;Hall MHD;Electron MHD;Alfven Waves;Magnetic Clouds;Canonical Angular Momentum;Magnetic BrakingReview: Key Features: Unique, no completing titlesThis new revision contains discussion of dynamics underlying self-organization (Taylor relaxation)This new revision contains updates on spheromak research since 2000
Introduction To Plasmas And Plasma Dynamics
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Author : Hai-Bin Tang
language : en
Publisher: Elsevier
Release Date : 2024-05-15
Introduction To Plasmas And Plasma Dynamics written by Hai-Bin Tang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-15 with Technology & Engineering categories.
Introduction to Plasmas and Plasma Dynamics: With Plasma Physics Applications to Space Propulsion, Magnetic Fusion and Space Physics, Second Edition provides an accessible introduction to the understanding of high temperature, ionized gases necessary to conduct research and develop applications related to plasmas. Thoroughly updated and expanded, this sec Describes plasma applications with close reference to elementary processes, promoting a deeper understanding of plasmas in new fields Provides structured problems in every chapter that help readers grasp the book’s practical lessons Includes a new chapter on numerical methods in plasmas that adds crucial context for experimental approaches
Helicities In Geophysics Astrophysics And Beyond
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Author : Kirill Kuzanyan
language : en
Publisher: John Wiley & Sons
Release Date : 2023-12-12
Helicities In Geophysics Astrophysics And Beyond written by Kirill Kuzanyan 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 2023-12-12 with Science categories.
Helicities in Geophysics, Astrophysics, and Beyond Helicities play essential roles in numerous geophysical, astrophysical, and magnetohydrodynamic phenomena, thus are studied from various disciplinary viewpoints. Helicities in Geophysics, Astrophysics, and Beyond draws together experts from different research fields to present an interdisciplinary and integrated approach to helicity studies. This synthesis advances understanding of the fundamental physical processes underlying various helicity-related phenomena. Volume highlights include: Concise introduction to fundamental properties of helicities Recent developments and achievements in helicity studies Perspectives from different fields including geophysics, space physics, solar physics, plasma physics, atmospheric and nonlinear sciences A cohesive mathematical, physical, observational, experimental, and numerical strategy for helicity studies A synthesized framework for the application of helicity to real-world problems The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Fundamentals Of Plasma Physics
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Author : Paul M. Bellan
language : en
Publisher: Cambridge University Press
Release Date : 2008-07-31
Fundamentals Of Plasma Physics written by Paul M. Bellan and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-31 with Science categories.
This rigorous explanation of plasmas is relevant to diverse plasma applications such as controlled fusion, astrophysical plasmas, solar physics, magnetospheric plasmas, and plasma thrusters. More thorough than previous texts, it exploits new powerful mathematical techniques to develop deeper insights into plasma behavior. After developing the basic plasma equations from first principles, the book explores single particle motion with particular attention to adiabatic invariance. The author then examines types of plasma waves and the issue of Landau damping. Magnetohydrodynamic equilibrium and stability are tackled with emphasis on the topological concepts of magnetic helicity and self-organization. Advanced topics follow, including magnetic reconnection, nonlinear waves, and the Fokker–Planck treatment of collisions. The book concludes by discussing unconventional plasmas such as non-neutral and dusty plasmas. Written for beginning graduate students and advanced undergraduates, this text emphasizes the fundamental principles that apply across many different contexts.
Physics Of The Solar Corona
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Author : Markus Aschwanden
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-08-26
Physics Of The Solar Corona written by Markus Aschwanden 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 2006-08-26 with Science categories.
A thorough introduction to solar physics based on recent spacecraft observations. The author introduces the solar corona and sets it in the context of basic plasma physics before moving on to discuss plasma instabilities and plasma heating processes. The latest results on coronal heating and radiation are presented. Spectacular phenomena such as solar flares and coronal mass ejections are described in detail, together with their potential effects on the Earth.
Astrophysical Magnetic Fields
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Author : Anvar Shukurov
language : en
Publisher: Cambridge University Press
Release Date : 2021-12-16
Astrophysical Magnetic Fields written by Anvar Shukurov and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-16 with Science categories.
Magnetic fields permeate space and affect many major astrophysical phenomena, but they are often ignored due to their perceived complexity. This self-contained introduction to astrophysical magnetic fields provides both a comprehensive review of the current state of the subject and a critical discussion of the latest research. It presents our knowledge of magnetic fields from the Early Universe, their evolution in cosmic time through to their roles in present-day galaxies, galaxy clusters and the wider intergalactic medium, with attention given to both theory and observations. This volume also contains an extensive introduction into magnetohydrodynamics, numerous worked examples, observational and mathematical techniques and interpretations of the observations. Its review of our current knowledge, with an emphasis on results that are likely to form the basis for future progress, benefits a broad audience of advanced students and active researchers, including those from fields such as cosmology and general relativity.
Physical And Numerical Models In Knot Theory
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Author : Jorge A Calvo
language : en
Publisher: World Scientific
Release Date : 2005-09-20
Physical And Numerical Models In Knot Theory written by Jorge A Calvo and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-20 with Mathematics categories.
The physical properties of knotted and linked configurations in space have long been of interest to mathematicians. More recently, these properties have become significant to biologists, physicists, and engineers among others. Their depth of importance and breadth of application are now widely appreciated and valuable progress continues to be made each year. This volume presents several contributions from researchers using computers to study problems that would otherwise be intractable. While computations have long been used to analyze problems, formulate conjectures, and search for special structures in knot theory, increased computational power has made them a staple in many facets of the field. The volume also includes contributions concentrating on models researchers use to understand knotting, linking, and entanglement in physical and biological systems. Topics include properties of knot invariants, knot tabulation, studies of hyperbolic structures, knot energies, the exploration of spaces of knots, knotted umbilical cords, studies of knots in DNA and proteins, and the structure of tight knots. Together, the chapters explore four major themes: physical knot theory, knot theory in the life sciences, computational knot theory, and geometric knot theory. Contents:A Tutorial on Knot Energies (E J J van Rensburg)Universal Energy Spectrum of Tight Knots and Links in Physics (R V Buniy & T W Kephart)Biarcs, Global Radius of Curvature, and the Computation of Ideal Knot Shapes (4 Color Plates) (M Carlen et al.)Knotted Umbilical Cords (2 Color Plates) (A Goriely)Monte-Carlo Simulations of Gel-Electrophoresis of DNA Knots (C Weber et al.)Protein Folds, Knots and Tangles (W R Taylor)Folding Complexity in a Random-Walk Copolymer Model (G A Arteca)Universal Characteristics of Polygonal Knot Probabilities (K C Millett & E J Rawdon)Ropelength of Tight Polygonal Knots (J Baranska et al.)Topological Entropic Force Between a Pair of Random Knots Forming a Fixed Link (T Deguchi)Minimal Flat Knotted Ribbons (L H Kauffman)Quadrisecants of Knots with Small Crossing Number (G T Jin)Conjectures on the Enumeration of Alternating Links (P Zinn-Justin)and other papers Readership: Researchers in geometry, topology, numerical & computational mathematics, molecular biology and physics, and medical doctors. Keywords:Knots and Links;Numerical Methods;Physical Knot Theory;Knot Theory in Life Sciences;Computational Knot Theory;Geometric Knot TheoryKey Features:Addresses many fundamental and basic questions in the general domain of modeling physical knottingOffers distinct perspectives of the frontier areas where topology, computation, physics and the life science overlap
The Fairy Tale Of Nuclear Fusion
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Author : L. J. Reinders
language : en
Publisher: Springer Nature
Release Date : 2021-05-20
The Fairy Tale Of Nuclear Fusion written by L. J. Reinders and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-20 with Science categories.
This carefully researched book presents facts and arguments showing, beyond a doubt, that nuclear fusion power will not be technically feasible in time to satisfy the world's urgent need for climate-neutral energy. The author describes the 70-year history of nuclear fusion; the vain attempts to construct an energy-generating nuclear fusion power reactor, and shows that even in the most optimistic scenario nuclear fusion, in spite of the claims of its proponents, will not be able to make a sizable contribution to the energy mix in this century, whatever the outcome of ITER. This implies that fusion power will not be a factor in combating climate change, and that the race to save the climate with carbon-free energy will have been won or lost long before the first nuclear fusion power station comes on line. Aimed at the general public as well as those whose decisions directly affect energy policy, this book will be a valuable resource for informing future debates.