Abstract
Many problems of motions in stars, planetary atmospheres and cores require description of convection in spherical shells and within spheres which may be considered as a partial case of a sphere with zero internal radius. A spherical geometry with a central gravity field is pertinent to natural objects. In the laboratory, experiments on the Earth’s surface are in a homogeneous gravity field. For the spheres rotating in laboratory conditions, we have a superposition of two types of symmetry: one is related to the spherical geometry and the other (cylindrical) is related to the rotation. This superposition complicates the theoretical consideration.KeywordsRayleigh NumberGravity FieldRossby WaveSpherical ShellSpherical GeometryThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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