Stretch Twist Fold The Fast Dynamo

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Stretch, Twist, Fold: The Fast Dynamo

Stephen Childress,Andrew D. Gilbert
Stretch Twist Fold The Fast Dynamo Book PDF

Author : Stephen Childress,Andrew D. Gilbert
Publisher : Springer Science & Business Media
Page : 414 pages
File Size : 47,8 Mb
Release : 2008-09-11
Category : Science
ISBN : 9783540447788

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Stretch, Twist, Fold: The Fast Dynamo by Stephen Childress,Andrew D. Gilbert Pdf

The study of the magnetic fields of the Earth and Sun, as well as those of other planets, stars, and galaxies, has a long history and a rich and varied literature, including in recent years a number of review articles and books dedicated to the dynamo theories of these fields. Against this background of work, some explanation of the scope and purpose of the present monograph, and of the presentation and organization of the material, is therefore needed. Dynamo theory offers an explanation of natural magnetism as a phenomenon of magnetohydrodynamics (MHD), the dynamics governing the evolution and interaction of motions of an electrically conducting fluid and electromagnetic fields. A natural starting point for a dynamo theory assumes the fluid motion to be a given vector field, without regard for the origin of the forces which drive it. The resulting kinematic dynamo theory is, in the non-relativistic case, a linear advection-diffusion problem for the magnetic field. This kinematic theory, while far simpler than its magnetohydrodynamic counterpart, remains a formidable analytical problem since the interesting solutions lack the easiest symmetries. Much ofthe research has focused on the simplest acceptable flows and especially on cases where the smoothing effect of diffusion can be exploited. A close analog is the advection and diffusion of a scalar field by laminar flows, the diffusion being measured by an appropriate Peclet number. This work has succeeded in establishing dynamo action as an attractive candidate for astrophysical magnetism.

Encyclopedia of Astronomy & Astrophysics

P Murdin
Encyclopedia of Astronomy Astrophysics Book PDF

Author : P Murdin
Publisher : CRC Press
Page : 5610 pages
File Size : 49,6 Mb
Release : 2001-01-01
Category : Science
ISBN : 9781000523034

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Encyclopedia of Astronomy & Astrophysics by P Murdin Pdf

In a unique collaboration, Nature Publishing Group and Institute of Physics Publishing have published the most extensive and comprehensive reference work in astronomy and astrophysics. This unique resource covers the entire field of astronomy and astrophysics and this online version includes the full text of over 2,750 articles, plus sophisticated search and retrieval functionality and links to the primary literature. The Encyclopaedia's authority is assured by editorial and advisory boards drawn from the world's foremost astronomers and astrophysicists. This first class resource is an essential source of information for undergraduates, graduate students, researchers and seasoned professionals, as well as for committed amateurs, librarians and lay people wishing to consult the definitive astronomy and astrophysics reference work.

Self-Exciting Fluid Dynamos

Keith Moffatt,Emmanuel Dormy
Self Exciting Fluid Dynamos Book PDF

Author : Keith Moffatt,Emmanuel Dormy
Publisher : Cambridge University Press
Page : 539 pages
File Size : 49,8 Mb
Release : 2019-04-25
Category : Mathematics
ISBN : 9781107065871

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Self-Exciting Fluid Dynamos by Keith Moffatt,Emmanuel Dormy Pdf

Treats the origin of magnetic fields in planets, stars and galaxies, and the manner of their evolution over time.

Plasma Physics

Richard Fitzpatrick
Plasma Physics Book PDF

Author : Richard Fitzpatrick
Publisher : CRC Press
Page : 378 pages
File Size : 46,9 Mb
Release : 2022-12-13
Category : Science
ISBN : 9781000809855

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Plasma Physics by Richard Fitzpatrick Pdf

Encompasses the Lectured Works of a Renowned Expert in the Field Plasma Physics: An Introduction is based on a series of university course lectures by a leading name in the field, and thoroughly covers the physics of the fourth state of matter. This textbook provides a concise and cohesive introduction to plasma physics theory and offers a solid foundation for students of physics wishing to take higher level courses in plasma physics. Mathematically Rigorous, but Driven by Physics The author provides an in-depth discussion of the various fluid theories typically used in plasma physics, presenting non-relativistic, fully ionized, nondegenerate, quasi-neutral, and weakly coupled plasma. This second edition has been fully updated to include new content on collisions and magnetic reconnection. It contains over 80 exercises—carefully selected for their pedagogical value—with fully worked out solutions available in a separate solutions manual for professors. The material presents a number of applications, and works through specific topics including basic plasma parameters, the theory of charged particle motion in inhomogeneous electromagnetic fields, collisions, plasma fluid theory, electromagnetic waves in cold plasmas, electromagnetic wave propagation through inhomogeneous plasmas, kinetic theory, magnetohydrodynamical fluid theory, and magnetic reconnection.

Handbook of Mathematical Fluid Dynamics

S. Friedlander,D. Serre
Handbook of Mathematical Fluid Dynamics Book PDF

Author : S. Friedlander,D. Serre
Publisher : Gulf Professional Publishing
Page : 627 pages
File Size : 40,7 Mb
Release : 2003-03-27
Category : Science
ISBN : 9780080533544

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Handbook of Mathematical Fluid Dynamics by S. Friedlander,D. Serre Pdf

The Handbook of Mathematical Fluid Dynamics is a compendium of essays that provides a survey of the major topics in the subject. Each article traces developments, surveys the results of the past decade, discusses the current state of knowledge and presents major future directions and open problems. Extensive bibliographic material is provided. The book is intended to be useful both to experts in the field and to mathematicians and other scientists who wish to learn about or begin research in mathematical fluid dynamics. The Handbook illuminates an exciting subject that involves rigorous mathematical theory applied to an important physical problem, namely the motion of fluids.

Solar and Stellar Dynamos

Paul Charbonneau
Solar and Stellar Dynamos Book PDF

Author : Paul Charbonneau
Publisher : Springer
Page : 240 pages
File Size : 53,5 Mb
Release : 2012-11-06
Category : Science
ISBN : 9783642320934

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Solar and Stellar Dynamos by Paul Charbonneau Pdf

Astrophysical dynamos are at the heart of cosmic magnetic fields of a wide range of scales, from planets and stars to entire galaxies. This book presents a thorough, step-by-step introduction to solar and stellar dynamos. Looking first at the ultimate origin of cosmic seed magnetic fields, the antagonists of field amplification are next considered: resistive decay, flux expulsion, and flows ruled out by anti-dynamo theorems. Two kinematic flows that can act as dynamos are then studied: the Roberts cell and the CP-flow. Mean-field electrodynamics and derivation of the mean-field dynamo equations lead to the alpha Omega-dynamo, the flux transport dynamo, and dynamos based on the Babcock-Leighton mechanism. Alternatives to the mean-field theory are also presented, as are global MHD dynamo simulations. Fluctuations and grand minima in the solar cycle are discussed in terms of dynamo modulations through stochastic forcing and nonlinear effects. The book concludes with an overview of the major challenges in understanding stellar magnetic fields and their evolution in terms of various dynamo models, global MHD simulations, and fossil fields. Each chapter is accompanied by an annotated bibliography, guiding the readers to the relevant technical literature, which may lead them to carry out their own research in the field of dynamo theory.

Topological Methods in Hydrodynamics

Vladimir I. Arnold,Boris A. Khesin
Topological Methods in Hydrodynamics Book PDF

Author : Vladimir I. Arnold,Boris A. Khesin
Publisher : Springer Science & Business Media
Page : 376 pages
File Size : 46,9 Mb
Release : 2008-01-08
Category : Mathematics
ISBN : 9780387225890

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Topological Methods in Hydrodynamics by Vladimir I. Arnold,Boris A. Khesin Pdf

The first monograph to treat topological, group-theoretic, and geometric problems of ideal hydrodynamics and magnetohydrodynamics from a unified point of view. It describes the necessary preliminary notions both in hydrodynamics and pure mathematics with numerous examples and figures. The book is accessible to graduates as well as pure and applied mathematicians working in hydrodynamics, Lie groups, dynamical systems, and differential geometry.

Astrophysical Magnetic Fields

Anvar Shukurov,Kandaswamy Subramanian
Astrophysical Magnetic Fields Book PDF

Author : Anvar Shukurov,Kandaswamy Subramanian
Publisher : Cambridge University Press
Page : 642 pages
File Size : 43,7 Mb
Release : 2021-12-16
Category : Science
ISBN : 9781009234122

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Astrophysical Magnetic Fields by Anvar Shukurov,Kandaswamy Subramanian Pdf

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.

Lectures on Solar and Planetary Dynamos

M. R. E. Proctor,A. D. Gilbert
Lectures on Solar and Planetary Dynamos Book PDF

Author : M. R. E. Proctor,A. D. Gilbert
Publisher : Cambridge University Press
Page : 396 pages
File Size : 51,6 Mb
Release : 1994-12-08
Category : Mathematics
ISBN : 0521467047

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Lectures on Solar and Planetary Dynamos by M. R. E. Proctor,A. D. Gilbert Pdf

Comprised of lectures for an intensive course held at the Newton Institute in Cambridge, as part of a NATO Advanced Study Institute, the topics covered within this volume include planetary and solar dynamos, fast dynamos, and the use of symmetry principles to derive evolution equations.

Dynamos

Anonim
Dynamos Book PDF

Author : Anonim
Publisher : Elsevier
Page : 497 pages
File Size : 47,5 Mb
Release : 2011-07-29
Category : Science
ISBN : 9780080560533

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Dynamos by Anonim Pdf

Dynamos is a collection of lectures given in July 2007 at the Les Houches Summer School on "Dynamos". Provides a pedagogical introduction to topics in Dynamos Addresses each topic from the basis to the most recent developments Covers the lectures by internationally-renowned and leading experts

Modern Fluid Dynamics for Physics and Astrophysics

Oded Regev,Orkan M. Umurhan,Philip A. Yecko
Modern Fluid Dynamics for Physics and Astrophysics Book PDF

Author : Oded Regev,Orkan M. Umurhan,Philip A. Yecko
Publisher : Springer
Page : 680 pages
File Size : 44,8 Mb
Release : 2016-05-11
Category : Science
ISBN : 9781493931644

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Modern Fluid Dynamics for Physics and Astrophysics by Oded Regev,Orkan M. Umurhan,Philip A. Yecko Pdf

This book grew out of the need to provide students with a solid introduction to modern fluid dynamics. It offers a broad grounding in the underlying principles and techniques used, with some emphasis on applications in astrophysics and planetary science. The book comprehensively covers recent developments, methods and techniques, including, for example, new ideas on transitions to turbulence (via transiently growing stable linear modes), new approaches to turbulence (which remains the enigma of fluid dynamics), and the use of asymptotic approximation methods, which can give analytical or semi-analytical results and complement fully numerical treatments. The authors also briefly discuss some important considerations to be taken into account when developing a numerical code for computer simulation of fluid flows. Although the text is populated throughout with examples and problems from the field of astrophysics and planetary science, the text is eminently suitable as a general introduction to fluid dynamics. It is assumed that the readers are mathematically equipped with a reasonable knowledge in analysis, including basics of ordinary and partial differential equations and a good command of vector calculus and linear algebra. Each chapter concludes with bibliographical notes in which the authors briefly discuss the chapter's essential literature and give recommendations for further, deeper reading. Included in each chapter are a number of problems, some of them relevant to astrophysics and planetary science. The book is written for advanced undergraduate and graduate students, but will also prove a valuable source of reference for established researchers.

Advances in Nonlinear Dynamos

Antonio Ferriz-Mas,Manuel Nunez
Advances in Nonlinear Dynamos Book PDF

Author : Antonio Ferriz-Mas,Manuel Nunez
Publisher : CRC Press
Page : 416 pages
File Size : 50,7 Mb
Release : 2019-07-17
Category : Science
ISBN : 0203493133

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Advances in Nonlinear Dynamos by Antonio Ferriz-Mas,Manuel Nunez Pdf

Nonlinear dynamo theory is central to understanding the magnetic structures of planets, stars and galaxies. In chapters contributed by some of the leading scientists in the field, this text explores some of the recent advances in the field. Both kinetic and dynamic approaches to the subject are considered, including fast dynamos, topological methods in dynamo theory, physics of the solar cycle and the fundamentals of mean field dynamo. Advances in Nonlinear Dynamos is ideal for graduate students and researchers in theoretical astrophysics and applied mathematics, particularly those interested in cosmic magnetism and related topics, such as turbulence, convection, and more general nonlinear physics.

Rotation and Momentum Transport in Magnetized Plasmas

Patrick H Diamond,Xavier Garbet,Philippe Ghendrih,Yanick Sarazin
Rotation and Momentum Transport in Magnetized Plasmas Book PDF

Author : Patrick H Diamond,Xavier Garbet,Philippe Ghendrih,Yanick Sarazin
Publisher : World Scientific
Page : 336 pages
File Size : 51,9 Mb
Release : 2014-12-30
Category : Science
ISBN : 9789814644846

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Rotation and Momentum Transport in Magnetized Plasmas by Patrick H Diamond,Xavier Garbet,Philippe Ghendrih,Yanick Sarazin Pdf

This book compiles the contributions from various international experts on magnetized plasma physics, both in controlled fusion and in astrophysics, and on atmospheric science. Most recent results are presented along with new ideas. The various facets of rotation and momentum transport in complex systems are discussed, including atmospheric-ocean turbulence, the constraints, and the concept of potential vorticity. The close interplay between flows and magnetohydrodynamics dynamo action, instabilities, turbulence and structure dynamics are the main focus of the book, in the context of astrophysics and magnetic fusion devices like Tokamak, and Reversed Field Pinch. Both physicists and advanced students interested in the field will find the topics as interesting as researchers from other fields who are looking to broaden their perspectives. Contents:The Atmospheric Wave–Turbulence Jigsaw (Michael E McIntyre)A Review of the Possible Role of Constraints in MHD Turbulence (Annick Pouquet)Dynamics of Structures in Configuration Space and Phase Space: A Tutorial (P H Diamond, Y Kosuga and M Lesur)Fast Dynamos (D W Hughes)The Effect of Flow on Ideal Magnetohydrodynamic Balooning Instabilities (H R Wilson, P B Buxton and J W Connor)Color FiguresElements of Neoclassical Theory and Plasma Rotation in a Tokamak (A Smolyakov)The General Fishbone Like Dispersion Relation (Fulvio Zonca)What is a Reversed Field Pinch? (D F Escande) Readership: Graduate students and researchers working in astrophysics and controlled fusion in magnetized plasmas. Keywords:Magnetized Plasmas;Turbulence;Tokamak; Magnetohydrodynamics Instability

Lectures in Magnetohydrodynamics

Dalton D. Schnack
Lectures in Magnetohydrodynamics Book PDF

Author : Dalton D. Schnack
Publisher : Springer Science & Business Media
Page : 317 pages
File Size : 47,6 Mb
Release : 2009-08-26
Category : Science
ISBN : 9783642006876

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Lectures in Magnetohydrodynamics by Dalton D. Schnack Pdf

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.

Mathematical Aspects of Natural Dynamos

Emmanuel Dormy,Andrew M. Soward
Mathematical Aspects of Natural Dynamos Book PDF

Author : Emmanuel Dormy,Andrew M. Soward
Publisher : CRC Press
Page : 494 pages
File Size : 42,5 Mb
Release : 2007-06-11
Category : Science
ISBN : 9781420055269

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Mathematical Aspects of Natural Dynamos by Emmanuel Dormy,Andrew M. Soward Pdf

Although the origin of Earth's and other celestial bodies' magnetic fields remains unknown, we do know that the motion of electrically conducting fluids generates and maintains these fields, forming the basis of magnetohydrodynamics (MHD) and, to a larger extent, dynamo theory. Answering the need for a comprehensive, interdisciplinary introduction