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Magnetic flux separation

Codex (@codex,  0) ... Physics Branches of physics Fluid mechanics Astrophysical fluid dynamics Magnetohydrodynamics Magnetoconvection
2026-10-14  0 By others on same topic  0 Discussions Create my own version
In nonlinear magnetoconvection, magnetic flux separation is coexistence of weak-field regions with vigorous broad convection and strong-field regions with inhibited or small-scale convection. Flux expulsion provides a mechanism for segregation. Conserved mean vertical magnetic flux implies fBc​+(1−f)Bq​=B0​ for an idealized two-region area fraction f. Weak field in convecting regions therefore requires enhanced field elsewhere. The existence and stability of the segregated state depend on parameters and boundaries.

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  • Past exam of the mathematics course of the University of Cambridge / 2007 / iii / Paper 68 / 4 / Solution
  • Subcritical magnetoconvection

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