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Author : Backus George
Release : 1956
Genre : Mathematical physics
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis The Axisymmetric Self-excited Fluid Dynamo by : Backus George
Download or read book The Axisymmetric Self-excited Fluid Dynamo written by Backus George. This book was released on 1956. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith Moffatt
Release : 2019-04-25
Genre : Science
Kind : eBook
Book Rating : 837/5 ( reviews)
Book Synopsis Self-Exciting Fluid Dynamos by : Keith Moffatt
Download or read book Self-Exciting Fluid Dynamos written by Keith Moffatt. This book was released on 2019-04-25. Available in PDF, EPUB and Kindle. Book excerpt: Exploring the origins and evolution of magnetic fields in planets, stars and galaxies, this book gives a basic introduction to magnetohydrodynamics and surveys the observational data, with particular focus on geomagnetism and solar magnetism. Pioneering laboratory experiments that seek to replicate particular aspects of fluid dynamo action are also described. The authors provide a complete treatment of laminar dynamo theory, and of the mean-field electrodynamics that incorporates the effects of random waves and turbulence. Both dynamo theory and its counterpart, the theory of magnetic relaxation, are covered. Topological constraints associated with conservation of magnetic helicity are thoroughly explored and major challenges are addressed in areas such as fast-dynamo theory, accretion-disc dynamo theory and the theory of magnetostrophic turbulence. The book is aimed at graduate-level students in mathematics, physics, Earth sciences and astrophysics, and will be a valuable resource for researchers at all levels.
Author : Tsuneji Rikitake
Release : 2012-12-02
Genre : Science
Kind : eBook
Book Rating : 509/5 ( reviews)
Book Synopsis Electromagnetism and the Earth's Interior by : Tsuneji Rikitake
Download or read book Electromagnetism and the Earth's Interior written by Tsuneji Rikitake. This book was released on 2012-12-02. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetism and the Earth's Interior reviews the earth's magnetic fields in terms of physical processes that are occurring in the earth's interior. The book describes the distribution of the earth's magnetic field in terms of declination, horizontal intensity, and vertical intensity. The dynamo theory concerns the self-exciting electric generation in the interior of the earth, and can account for any geomagnetic secular variation. A workable laboratory model—a dynamo mechanism of Lowes and Wilkinson (1963) has a significant role on the dynamo theory for the model actually demonstrated Herzenberg's proof that was developed mathematically. The text also describes various aspects of long-term geomagnetic variations, such as the decrease in the dipole moment, the reversal of the geomagnetic field, the drift of eccentric dipole, the fluctuation in the length of day, and the geomagnetic secular variation. The book also investigates the possible effects of the ocean on geomagnetic variations. The characteristics of transient geomagnetic variations on islands can point to a possible special underground structure. The book is suitable for geologists, astrophysicists, seismologists, and students of the natural sciences.
Author : Ronald T. Merrill
Release : 1998
Genre : Nature
Kind : eBook
Book Rating : 465/5 ( reviews)
Book Synopsis The Magnetic Field of the Earth by : Ronald T. Merrill
Download or read book The Magnetic Field of the Earth written by Ronald T. Merrill. This book was released on 1998. Available in PDF, EPUB and Kindle. Book excerpt: Topics involved in studies of the Earth's magnetic field and its secular variation range from the intricate observations of geomagnetism, to worldwide studies of archeomagnetism and paleomagnetism, through to the complex mathematics of dynamo theory. Traditionally these different aspects of geomagnetism have in the main been studied and presented in isolation from each other. This text draws together these lines of inquiry into an integrated framework to highlight the interrelationships and thus to provide a more comprehensive understanding of the geomagnetic field.
Author : McElhinny
Release : 1984-01-04
Genre : Science
Kind : eBook
Book Rating : 634/5 ( reviews)
Book Synopsis The Earth's Magnetic Field : Its History, Origin, and Planetary Perspective by : McElhinny
Download or read book The Earth's Magnetic Field : Its History, Origin, and Planetary Perspective written by McElhinny. This book was released on 1984-01-04. Available in PDF, EPUB and Kindle. Book excerpt: The Earth's Magnetic Field : Its History, Origin, and Planetary Perspective
