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3 edition of Stellar dynamos, nonlinearity and chaotic flows found in the catalog.

Stellar dynamos, nonlinearity and chaotic flows

Stellar dynamos, nonlinearity and chaotic flows

proceedings of the international workshop held at Medina del Campo, Valladolid, Spain, 28-30 September, 1998

  • 206 Want to read
  • 11 Currently reading

Published by Astronomical Society of the Pacific in San Francisco, Calif .
Written in English

    Subjects:
  • Stars -- Magnetic fields -- Congresses.,
  • Nonlinear theories -- Congresses.,
  • Chaotic behavior in systems -- Congresses.

  • Edition Notes

    Includes bibliographical references and index.

    Statementedited by Manuel Núñez and Antonio Ferriz-Mas.
    GenreCongresses.
    SeriesAstronomical Society of the Pacific conference series ;, v. 178
    ContributionsNúñez, Manuel., Ferriz-Mas, Antonio.
    Classifications
    LC ClassificationsQB817.5 .S74 1998
    The Physical Object
    Paginationxviii, 213 p. :
    Number of Pages213
    ID Numbers
    Open LibraryOL53994M
    ISBN 101583810021
    LC Control Number99063635

    Synchronization of chaotic systems and invariant manifolds Kresimir Josic Nonlinearity 13 IOPscience. Semi-uniform ergodic theorems and applications to forced systems R Sturman and J Stark Nonlinearity 13 IOPscience. Optimal synchronization of chaotic systems in noise. V. Archontis, B. DorchNumerical simulations of dynamos associated with ABC flows M. Núñez, A. Ferriz-Mas (Eds.), Stellar Dynamos: Nonlinearity and Chaotic Flows, vol. , Astronomical Society of the Pacific Conference Series, San Francisco ()Author: Manuel Núñez.

      A model is presented in which the strongest radio-emitting jet outflows are produced in black hole systems when the accretion is a geometrically thick (H/R ~ 1) inflow (e.g., an advection-dominated or a convection-dominated accretion flow) and if the black hole is galactic black hole candidates, the model naturally accounts for the observed correlation of jet outflow with the Cited by: The Terrestrial Dynamo William Gilbert concluded that the Earth was magnetic and proposed that Earth’s core contains permanently magnetized material (e.g., lodestone) Earth’s magnetic axis is close to its rotational axis Suggests that magnetism and rotation are related Joseph Larmor that a dynamo gives birth to BEarth Decay time of Earth’s magnetic eld is ˘20 kyr.

    We present a series of kinematic axisymmetric mean-field αΩ dynamo models applicable to solar-type stars, for 20 distinct combinations of rotation rates and luminosities. The internal differential rotation and kinetic helicity profiles required to calculate source terms in these dynamo models are. magnetic components; works without a large-scale flow! planetary dynamos are believed to be of this kind. Both the alpha-effect and differential rotation shear contribute to toroidal field production; stellar dynamos could be of this kind if differential rotation is weak, and/or if dynamo action takes place in a .


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Stellar dynamos, nonlinearity and chaotic flows Download PDF EPUB FB2

Stellar Dynamos: Nonlinearity and Chaotic Flows Article (PDF Available)   January   with  12 Reads  How we measure 'reads' A 'read' is counted each time someone views a publication summary. Title: Book Review: Stellar dynamos: nonlinearity and chaotic flows / Astronomical Society of the Pacific, Book Authors: Nunez, M.; Ferriz-Mas, A.

Publication. Get this from a library. Stellar dynamos: nonlinearity and chaotic flows: proceedings of the international workshop held at Medina del Campo, Valladolid, Spain, September, [Manuel Núñez; Antonio Ferriz-Mas;]. Get this from a library.

Stellar dynamos, nonlinearity and chaotic flows: proceedings of the international workshop held at Medina del Campo, Valladolid, Spain, September, [Manuel Núñez; Antonio Ferriz-Mas;].

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 : Springer-Verlag Berlin Heidelberg.

Workshop on Stellar Dynamos: Nonlinearity and Chaotic Flows By A Ferriz Mas and M Núñez Topics: Astrophysics and AstronomyAuthor: A Ferriz Mas and M Núñez.

Title: Book Review: Stellar dynamos: nonlinearity and chaotic flows / Astronomical Society of the Pacific, Journal: Irish astronomical journal, vol. 27, no. 1, p. () Bibliographic Code: IrAJ N. Complete bibliographic record Nonlinearity and chaotic flows book article options Print this article.

workshop ‘Stellar Dynamos: Nonlinearity and Chaotic Flows’, which took place at Medina del Campo, Spain, 28 – 30 September (Proceedings published as: ASP Conference Serieseds. M Author: Mathieu Ossendrijver. A nonlinear dynamo model for solar activity which includes the feedback of the helicity upon the mean magnetic field has been investigated.

The qualitative behavior of a seven-dimensional system of ordinary differential equations obtained by truncation of that model has been studied by: 10 pages, 5 figures, latex usesto appear in the Proceedings of the Workshop on STELLAR DYNAMOS: Nonlinearity and chaotic flows, Sep. A.

Ferriz Mas, M. Nunez (Eds.) full text sourcesAuthor: Ramon Khanna. Topics discussed at this international workshop include: magnetic fields in astrophysical flows, slow and fast dynamos, MHD turbulence in space plasmas and in the laboratory, exact solutions to MHD, topology and chaos in MHD, helicity and velocity-magnetic correlations, turbulent reconnection and non-magnetic flows.

The Nonlinearity of Large Scale Dynamos (ITP Solar Magnetism Program 2/13/01) Dr. Axel Brandenburg, ITP & NORDITA-Copenhagen 3 Nonlinearity of Large Scale Dynamos 5 Motivation for mean-field theory • Not an excuse not to do global simulation.

– Still need to understand results – Example: differential rotation. Cosmic Flows Towards an Understanding of Large-Scale Structures: Courteau, Stephane; Willick, Jeffrey Stellar Dynamos: Nonlinearity and Chaotic Flows: Nunez, Manuel; Ferriz-Mas, Antonio Astronomical Society of the Pacific No part of the material protected by this copyright may be reproduced or used in any form other than for.

adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A. Stellar magnetic fields behold a great mystery.

They originate from chaotic plasma flows in the outer envelope of the star via a hydromagnetic dynamo mechanism. Therefore, it is no surprise that stars display a great variety of magnetic phenomena that are stable neither in time nor space.

Foreword. Stellar rotation, dynamo, electromagnetic braking, age and lithium burning. The origin of the galactic magnetic field. Random flow as a fast dynamo. Parity selection in nonlinear dynamos. Convective turbulent dynamos without rotation.

Fast dynamo action in three-dimensional chaotic Book Edition: 1. The Alpha-Effect of Toroidal Fluxtubes and Its Application in a Mean-Field Solar Dynamo, M. Ossendrijver, in: M. Nunez, A. Ferriz-Mas, Proceedings of the Workshop "Stellar dynamos: nonlinearity and chaotic flows" held at Medina del Campo, Valladolid, Spain, SeptemberASP Conf.

Series(). The present contribution aims at illustrating this by discussing examples from numerical magneto-hydrodynamical simulations within the context of astrophysical dynamos. Two qualitatively different simulations are discussed: A study of the magnetic field topology in a kinematic dynamo model, and a model of the buoyant rise of a twisted magnetic flux rope through a stellar convection by: 1.

2 1. Introduction The history of nonlinear dynamics and chaos begins with the brilliant original contribution of Henri Poincare'1 and specifically the derivation of the Poincare' map, and later with the advent of digital computers, of the findings of Ueda2 and Feigenbaum3 of the explosive and period-doubling routes to chaos, by: 1.

Saturation of the magnetorotational instability: asymptotically exact theory. In: Stellar Fluid Dynamics and Numerical Simulations: From the Sun to Neutron Stars.

Rieutord and B. Dubrulle, eds.) EAS Publication SerO. Batiste and E. Knobloch. Waves in extended systems: from low- to high-dimensional behavior. K.-H. Rädler and U.

Geppert:’ Turbulent dynamo action in the high-conductivity limit: A hidden dynamo.’, in Stellar Dynamos: Nonlinearity and Chaotic Flows, ed. by M. Nunez and A. Ferriz-Mas, (ASP Conference Series Vol, ) pp. – Google ScholarCited by: Topics covered include planetary and solar dynamos, fast dynamos and the use of symmetry principles to derive evolution equations.

Detailed bibliographies are provided. As the only modern introduction to the subject, this will be welcome reading for students in planetary .Maksymczuk J, Gilbert AD. () Fast dynamo equilibration in a simplified nonlinear model, "Stellar Dynamos: Nonlinearity and Chaotic Flows (ed.

M Nunez, A. Ferriz-Mas), Medina del Campo, Spain, ", pages