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Fig. 1

image

Sketch of a possible convective flow inside the metallic hydrogen-helium region of Saturn. The cylindrical pattern of fluid motions (u∂z = 0) reflects the fast-rotation effect (Zhang & Liao 2017), and the azimuthal number of columns indicates the typeof dynamo action (Zhang & Jones 1996). The flow has an azimuthal wave number 2, whichillustrates a possible convection of the strong-field dynamo (e.g., see Elsasser number Λ = 5.1 in Fig. 6 of Zhang 1995).

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