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Stellar Magnetism: Second Edition

Leon Mestel

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199641741
eISBN:
9780191738609
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199641741.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Ongoing studies in mathematical depth, and inferences from ‘helioseismological’ observations of the internal solar rotation have shown up the limitations in our knowledge of the solar interior and of ... More


Magnetic Field

Gary A. Glatzmaier

in Introduction to Modeling Convection in Planets and Stars: Magnetic Field, Density Stratification, Rotation

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691141725
eISBN:
9781400848904
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691141725.003.0011
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter focuses on magnetoconvection, which refers to thermal convection of an electrically conducting fluid within a background magnetic field maintained by some external mechanism. It first ... More


Stellar Magnetism

Leon Mestel

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526728
eISBN:
9780191707049
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526728.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Most stars appear to show some degree of magnetic activity. For example, the varying magnetic field of the Sun shows up in the familiar sun-spot cycle. Similar behaviour is observationally inferred ... More


Relativistic Fluids

Yvonne Choquet-Bruhat

in General Relativity and the Einstein Equations

Published in print:
2008
Published Online:
May 2009
ISBN:
9780199230723
eISBN:
9780191710872
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199230723.003.0009
Subject:
Mathematics, Applied Mathematics

This chapter presents general properties of perfect fluids. When appropriate definitions are given, some of these properties generalize well-known properties of non-relativistic perfect fluids. ... More


General Aspects of Gas Flows

Raymond Brun

in Introduction to Reactive Gas Dynamics

Published in print:
2009
Published Online:
May 2009
ISBN:
9780199552689
eISBN:
9780191720277
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199552689.003.0009
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter reviews the Navier-Stokes equations for a gaseous system in vibrational and/or chemical non-equilibrium, and proposes various forms. The equations are written in a dimensionless form so ... More


Magnetism and convection

Leon Mestel

in Stellar Magnetism: Second Edition

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199641741
eISBN:
9780191738609
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199641741.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Our Sun is a veritable laboratory for the study of magnetohydrodynamics. It exhibits a wide variety of phenomena — sunspots, flares, prominences — in which a magnetic field is clearly the crucial ... More


The Fourth State of Matter

Arnab Rai Choudhuri

in Nature’s Third Cycle: A Story of Sunspots

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199674756
eISBN:
9780191752469
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199674756.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses some of the basic concepts of plasma physics, based on the ideas that currents produce magnetic fields and that changing magnetic fields give rise to electromagnetic induction. ... More


Dynamos in the Sky

Arnab Rai Choudhuri

in Nature’s Third Cycle: A Story of Sunspots

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199674756
eISBN:
9780191752469
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199674756.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter introduces the crucial idea of the turbulent dynamo proposed by Parker and developed further by Steenbeck’s group. Although these early models had remarkable success in modelling the ... More


Collective dynamics in plasmas—I. Hydrodynamics and transport

Abraham Bers

in Plasma Physics and Fusion Plasma Electrodynamics

Published in print:
2016
Published Online:
November 2016
ISBN:
9780199295784
eISBN:
9780191749063
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199295784.003.0002
Subject:
Physics, Nuclear and Plasma Physics, Particle Physics / Astrophysics / Cosmology

This chapter presents simple, illustrative descriptions of collective dynamics in plasmas—in particular, in fully-ionized plasmas. These descriptions entail choices of collective plasma models, and ... More


Magnetohydrodynamics

Abraham Bers

in Plasma Physics and Fusion Plasma Electrodynamics

Published in print:
2016
Published Online:
November 2016
ISBN:
9780199295784
eISBN:
9780191749063
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199295784.003.0009
Subject:
Physics, Nuclear and Plasma Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses some basic aspects of magnetohydrodynamics (MHD) through two alternate presentations. The first describes a fluid physical of MHD based upon guiding-center particle motion, ... More


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