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Nonlinear planetary dynamos in a rotating spherical shell. II. The post-Taylor equilibration for α2-dynamos

 

作者: CarloF. Barenghi,  

 

期刊: Geophysical & Astrophysical Fluid Dynamics  （Taylor Available online 1992）
卷期: Volume 67, issue 1-4  

页码: 27-36

 

ISSN:0309-1929

 

年代: 1992

 

DOI:10.1080/03091929208201835

 

出版商: Taylor & Francis Group

 

关键词: α2-dynamos;Taylor's constraint;spectral methods

 

数据来源: Taylor

 

摘要:

The magnetic field of a rapidly rotating α2dynamo is computed in a spherical shell as a function of Reynolds and Ekman numbers. It is found that at high enough Reynolds number a Taylor state is reached, after which the solution becomes inviscid. This result confirms the recent work of Hollerbach and Ierley (1991) in a full sphere.

 

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