Fluid Dynamics and Dynamos in Astrophysics and Geophysics

ISBN: 9780849333552 出版年：2005 页码：477 CRC Press

ACCRETION DISCS, Gordon I. Ogilvie Classical theory of accretion discs Angular momentum transport Continuum celestial mechanics DISCS WITH MHD TURBULENCE AND THEIR RESPONSE TO ORBITING PLANETS, John C.B. Papaloizou and Richard P. Nelson Set up of initial models Simulation results Discussion MIXING AT THE SURFACE OF WHITE DWARF STARS, R. Rosner and A. Alexakis Previous work on mixing An alternative: mixing at boundaries by "wind"-driven resonant modes Conclusions PULSAR MAGNETOSPHERES, Leon Mestel Basic electrodynamics Models with pair production Live models The S(P) relation The inner domain Computational results Alternative models Magnetospheric gaps MAGNETIC FIELDS IN GALAXIES, Ellen G. Zweibel Galactic structure Observations of Galactic magnetic fields Galaxy formation and magnetogenesis Building blocks of Galactic magnetic fields Summary and outlook SELF-CONSISTENT MEAN FIELD ELECTRODYNAMICS IN TWO AND THREE DIMENSIONS, P H. Diamond, D. W. Hughes and Eun-jin Kim Turbulent diffusion of magnetic fields The generation of magnetic fields Momentum and flux transport in 2D MHD Concluding remarks THE SOLAR TACHOCLINE: FORMATION, STABILITY AND ITS ROLE IN THE SOLAR DYNAMO, S. M. Tobias Properties of the solar tachocline Why is the solar tachocline so thin? Instabilities of the solar tachocline The tachocline and the solar dynamo Discussion and conclusion MAGNETOCONVECTION, M.R.E. Proctor The induction equation and the Lorentz force Boussinesq magnetoconvection in a vertical field Nonlinear Boussinesq magnetoconvection Strong magnetic fields Shearing instabilities and streaming flows Convection in extended regions Effects of stratification Discussion ALFVEN WAVES WITHIN THE EARTH'S CORE, D. Jault and G. L'egaut Propagation of Alfv'en waves within an entirely fluid spherical body Topographical effects at the CMB Influence of a conducting inner core Concluding remarks TURBULENCE MODELS AND PLANE LAYER DYNAMOS, C.A. Jones and P.H. Roberts Background to the LANS o-models Model description and governing equations The hyperdiffusive and the LANS o-models Subgrid scale boundary conditions Linear theory Numerical simulations Conclusions PLANETARY AND STELLAR DYNAMOS: CHALLENGES FOR NEXT GENERATION MODELS, Gary A. Glatzmaier Current 3D geodynamo simulations Laminar approximations of turbulent flows 2D Turbulent magnetoconvection simulations Discussion CONVECTION IN ROTATING SPHERICAL FLUID SHELLS AND ITS DYNAMO STATES, F.H. Busse and R. Simitev Mathematical formulation of the problem Convection in rotating spherical shells Evolution of convection columns at small Prandtl numbers Convection at very small Prandtl numbers Convection driven dynamos at moderate Prandtl numbers Convection driven dynamos in low Prandtl number fluids Torsional oscillations Oscillating dipolar dynamos Discussion and outlook LABORATORY EXPERIMENTS ON LIQUID METAL DYNAMOS AND LIQUID METAL MHD TURBULENCE, Stephan Fauve and Daniel P. Lathrop Self-generation in Riga and Karlsruhe Generating a fully three-dimensional turbulent flow in a compact volume Motivations for rapidly rotating flows Concluding remarks INDEX