期刊
ASTRONOMISCHE NACHRICHTEN
卷 331, 期 1, 页码 73-81出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asna.200911252
关键词
Sun: magnetic fields; magnetohydrodynamics (MHD)
资金
- Ministry of Education
- Academy of Finland [121431, H 2020]
- European Research Council [227952]
- Swedish Research Council [621-2007-4064]
- Leverhulme Trust
Self-consistent convective dynamo simulations in wedge-shaped spherical shells are presented. Differential rotation is generated by the interaction of convection with rotation. Equatorward acceleration and dynamo action are obtained only for sufficiently rapid rotation. The angular velocity tends to be constant along cylinders. Oscillatory large-scale fields are found to migrate in the poleward direction. Comparison with earlier simulations in full spherical shells and Cartesian domains is made. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA. Weinheim
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