Dynamo theory is the study of how large-scale magnetic fields
can arise in bodies such as the Earth, Sun and stars, and it brings
together researchers in such diverse subjects as geophysics,
astronomy and nuclear reactor technology. In this book are papers
on the theory of dynamos, delivered at the Isaac Newton Institute
for Mathematical Sciences in Cambridge in September 1992, and these
have been carefully brought together to form a unified
presentation. Topics covered include: modelling of solar magnetic
field generation, theoretical studies of the galaxies, and papers
on ''fast dynamos'', study of magnetic field regeneration in fluid of
very high electrical conductivity. This volume represents a
comprehensive record of research into the theory of dynamos.
目錄：
Preface
1. Magnetic noise and the galactic dynamo
2. On the oscillation in model Z
3. Nonlinear dynamos in a spherical shell
4. The onset of dynamo action in alpha-lambda dynamos
5. Multifractality, near-singularities and the role of stretching
in turbulence
6. Note on perfect fast dynamo action in a large-amplitude SFS
map
7. A thermally driven disc dynamo
8. Magnetic instabilities in rapidly rotating systems
9. Modes of a flux ring lying in the equator of a star
10. A nonaxisymmetric dynamo in toroidal geometry
11. Simulating the interaction of convection with magnetic fields
in the sun
12. Experimental aspects of a laboratory scale liquid sodium dynamo
model
13. Influence of the period of an ABC flow on its dynamo
action
14. Numerical calculations of dynamos for ABC and related
flows
15. Incompressible Euler equations
16. On the quasimagnetostrophic asymptotic approximation related to
solar activity
17. Simple dynamical fast dynamos
18. A numerical study of dynamos in spherical shells with
conducting boundaries
19. Non-axisymmetric shear layers in a rotating spherical
shell
20. Testing for dynamo action
21. Alpha-quenching in cylindrical magnetoconvection
22. On the stretching of line elements in fluids: an approach from
different geometry
23. Instabilities of tidally and precessionally induced flows
24. Probability distribution of passive scalars with nonlinear mean
gradient
25. Magnetic fluctuations in fast dynamos
26. A statistical description of MHD turbulence in laboratory
plasma
27. Compressible magnetoconvection in three dimensions
28. The excitation of nonaxisymmetric magnetic fields in
galaxies
29. Localized magnetic fields in a perfectly conducting fluid
30. Turbulent dynamo and the geomagnetic secular variation
31. On-off intermittency: general description and feedback
model
32. Dynamo action in a nearly integrable chaotic flow
33. The dynamo mechanism in the deep convection zone of the
sun
34. Shearing instabilities in magnetoconvection
35. On the role of rotation of the internal core relative to the
mantle
36. Evolution of magnetic fields in a swirling jet
37. Analytic fast dynamo solution for a two-dimensional pulsed
flow
38. On magnetic dynamos in thin accretion disks around compact and
young stars
39. The strong field branch of the Childress-Soward dynamo
40. Evidence for the suppression of the alpha-effect by weak
magnetic fields
41. Turbulent magnetic transport effects and their relation to
magnetic field intermittency
42. Proving the existence of negative variation of electrical
conductivity
43. Spherical inertial oscillation and convection
44. Hydrodynamics stability of the ABC flow
45. Dynamos with ambipolar diffusion
Subject index.
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