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Dynamo and Dynamics, a Mathematical Challenge : NATO Science Series II: Mathematics, Physics and Chemistry - Pascal Chossat

Dynamo and Dynamics, a Mathematical Challenge

NATO Science Series II: Mathematics, Physics and Chemistry

By: Pascal Chossat (Editor), Dieter Armbruster (Editor), Iuliana Oprea (Editor)

Paperback Published: 31st July 2001
ISBN: 9780792370703
Number Of Pages: 390

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This book contains the lectures given at the workshop "Dynamo and dynamics, a mathematical challenge" held in Cargese from August 21 to 26, 2000. The workshop differed from most previous conferences on the dynamo effect in two important respects. First, it was at this international conference that the experimental observation of homogeneous fluid dynamos was first reported. Second, the conference gathered scientists from very different fields, thus showing that thepynamo problem has become an interdisciplinary subject involving not only astrophysicists and geophysicists, but also scientists working in dynamical systems theory, hydrodynamics, and numerical simulation, as well as several groups in experimental physics. This book thus reports important results on various dynamo studies in these different contexts: - Decades after the discovery of the first analytic examples of laminar fluid dynamos, the self-generation of a magnetic field by a flow ofliquid sodium has been reported by the Karlsruhe and Riga groups. Although there were no doubts concerning the self generation by the laminar Roberts-type or Ponomarenko-type flows that were used, these experiments have raised interesting questions about the influence of the turbulent fluctuations on the dynamo threshold and on the saturation level of the magnetic field.

Laboratory dynamos, theory and experiments
A nonstationary dynamo experiment in a braked torus
Riga Dynamo Experiment
Generation of magnetic field in the Couette-Taylor system
Dynamo action, between numerical experiments and liquid sodium devices
MHD in von Karman Swirling flows
Dynamo action in a forced Taylor-Green vortex
Saturation of a Ponomarenko type fluid dynamo
Dynamo Action due to Ekman layer Instability
Hunting for dynamos: eight different liquid sodium flows
Thermal flow in a rotating spherical gap with a dielectrophoretic central force field
Preliminary Measurement of the Turbulent Magnetic Diffusivity in three dimensions
Saturation mechanism in a model of the Karlsruhe dynamo
Planetary and stellar dynamos, hydrodynamical models and simulations
Sheared helical turbulence and the helicity constraint in large scale dynamos
The inverse cascade in turbulent dynamos
Rotating magnetoconvection in dependence on stratification, diffusive processes, and boundary conditions
Small and large-scale dynamo action in simple forced flows
Convection driven dynamos in rotating spherical fluid shells
Dynamos in rotating and nonrotating convection in the form of asymmetric squares
Magnetoconvection
On the application of grid-spectral method to the solution of geodynamo equations
Super and counter-rotating jets and vortices in strongly magnetic spherical Couette flow
Large- and small-scale dynamo action
Dynamo problems in spherical and nearly spherical geometries
Anelastic planetary magnetohydrodynamics
Astrophysical dynamos, observations and theory
The Galactic Dynamo
Turbulent Diamagnetism and Galactic Dynamo
Parker instability with Coriolis force and magnetic reconnection as a part of the galactic fast dynamo action
Magnetic helicity flux and the nonlinear galactic dynamo
Helioseismic tests of dynamo models
Asymptotic WKBJ-studies of solar dynamo waves: 1D and 2D cases
Dynamo effect with inertial modes in a spherical shell?
Two types of nonlinearities, in magnetic dynamo
The solar dynamo: axial symmetry and homogeneity broken
Alpha-quenched agr;2Ohgr; dynamo waves in stellar shells
Two-dimensional disk dynamos with vertical outflows into a halo
Dynamos as dynamical systems, low-order models and phenomenology
Structurally stable heteroclinic cycles and the dynamo dynamics
Two-component dynamical model of the solar cycle
Symmetries of the solar dynamo: comparing theory with observation
Suicidal and parthenogenetic dynamos
Heteroclinic cycles and fluid motions in rotating spheres
Convection-driven dynamos, amplitude equations and large-scale fields
A heteroclinic model of geodynamo reversals and excursions
Aspects of the dynamics underlying solar and stellar dynamo models
Modulation and symmetry-breaking in low-order models of the solar dynamo
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780792370703
ISBN-10: 0792370708
Series: NATO Science Series II: Mathematics, Physics and Chemistry
Audience: General
Format: Paperback
Language: English
Number Of Pages: 390
Published: 31st July 2001
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.39 x 15.6  x 2.13
Weight (kg): 0.58