Rayleigh-Bénard Convection in Strong Vertical Magnetic Field: Flow Structure and Verification of Numerical Method

preprint2020arXivOpen access

Abstract

Direct numerical simulations are performed to study turbulent Rayleigh-Bénard convection in a vertical cylindrical cavity with uniform axial magnetic field. Flows at high Hartmann and Rayleigh numbers are considered. The calculations reveal that, similarly to the behavior observed in Rayleigh-Bénard convection with strong rotation, flows at strong magnetic field develop a central vortex, while the heat transfer is suppressed.

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