Author:
JONES CHRIS A.,ROBERTS PAUL H.
Abstract
The plane layer Childress–Soward dynamo model, consisting of a rotating layer of
electrically conducting fluid between horizontal planes heated from below, is studied.
Solutions periodic in the horizontal directions are sought, with electrically insulating
boundary conditions applied. The large Prandtl number limit is used.Fully three-dimensional convection-driven dynamos have been studied numerically
for this problem. Both the kinematic and the magnetically saturated regimes are
studied, and a simple model of the dynamo mechanism is proposed. The dependence
of the dynamo on the Rayleigh number, Ekman number and diffusivity ratio is
studied, and the role of Taylor's constraint in low Ekman number convection-driven
dynamos is considered.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Cited by
88 articles.
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