Rayleigh-B\'{e}nard Convection in Strong Vertical Magnetic Field: Flow Structure and Verification of Numerical Method

Dmitry Krasnov; Joerg Schumacher; Oleg Zikanov; Ruslan Akhmedagaev

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Rayleigh-B\'{e}nard Convection in Strong Vertical Magnetic Field: Flow Structure and Verification of Numerical Method

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arxiv 2002.09404 v2 pith:KLM7R4XT submitted 2020-02-21 physics.flu-dyn

Ruslan Akhmedagaev , Oleg Zikanov , Dmitry Krasnov , Joerg Schumacher This is my paper

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keywords convectionfieldmagneticnardrayleigh-bstrongflowsnumerical

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Direct numerical simulations are performed to study turbulent Rayleigh-B\'{e}nard 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-B\'{e}nard convection with strong rotation, flows at strong magnetic field develop a central vortex, while the heat transfer is suppressed.

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